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- 1. This ebook licensed to billy corumbilly corumbilly corumbilly corum. Unauthorized reproduction or distribution of this ebook is illegal.
- 2. IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 1EE9A0706-0CA4-40D1-B606-7292843C01F7
- 3. IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 2EE9A0706-0CA4-40D1-B606-7292843C01F7
- 4. Joe CameronIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 3EE9A0706-0CA4-40D1-B606-7292843C01F7
- 5. This edition published in 2007 by Arcturus Publishing Limited26/27 Bickels Yard, 151–153 Bermondsey Street,London SE1 3HAIn Canada published for Indigo Books468 King St W,Suite 500,Toronto,Ontario M5V 1L8Copyright © 2001 Arcturus Publishing LimitedAll rights reserved. No part of this publication may be reproduced,stored in a retrieval system, or transmitted, in any form or by anymeans, electronic, mechanical, photocopying, recording or otherwise,without written permission in accordance with the provisions of theCopyright Act 1956 (as amended). Any person or persons who doany unauthorised act in relation to this publication may be liable tocriminal prosecution and civil claims for damages.ISBN: 978-1-84193-369-6Printed in ChinaTypeset by MATS, Southend-on-Sea, EssexIQ Mindbenders pp 001-071 23/3/07 11:11 am Page 4EE9A0706-0CA4-40D1-B606-7292843C01F7
- 6. Prepare yourself for the ultimate test of your brain power! We’re devised over 500 IQpuzzles to stretch your logical and lateral thinking abilities to the limit.This book has been meticulously compiled from some of the most deviouspuzzles you’ve seen. Some will require keen mathematical skill, others anability to recognise abstract patterns, but all our puzzles are supremely logical and canbe solved with the right approach.If you have a sharp mind, some of the answers to these puzzles will jump straight outof the page at you. However, others will require a bit more thought. Try not to rush foran answer straight away – have faith in your abilities and all will become clear – anddon’t feel tempted to have a peek at the answer page too soon. If you feel completelystumped by one particular puzzle, then move on and come back to it later – comingup with the solution to a later puzzle just might give you the inspiration you need!But the idea of this book is not about right and wrong answers, it’s aboutexercising your mind and flexing your mental muscles. With the right approach, youtoo can discover your IQ potential.The large variety of puzzles here are designed to test your powers of lateral thinkingand problem solving to the max! You’ll have to be able to recognizepatterns and sequences, spot similarities and differences and even pick your waythrough our convoluted mindbenders. The solutions to all the puzzles in this book arestaring you right in the face – you just have to be looking at them in the right way!So sit back, relax your body and let your brain take the strain – it’s all a matter of logic.IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 5EE9A0706-0CA4-40D1-B606-7292843C01F7
- 7. IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 6EE9A0706-0CA4-40D1-B606-7292843C01F7
- 8. Multiplication TableCubeNumbersSquareNumbersNumericalValuesPrimeNumbersIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 7EE9A0706-0CA4-40D1-B606-7292843C01F7
- 9. IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 8EE9A0706-0CA4-40D1-B606-7292843C01F7
- 10. PUZZLE1What is missing in the last grid?PUZZLE2What time should the missing watch read?A B C D E2:31 3:13 3:55 4:375:19 4:55 5:13 5:32 6:01A B C D E F?TEST19IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 9EE9A0706-0CA4-40D1-B606-7292843C01F7
- 11. TEST110PUZZLE3Which circle replaces the question mark?PUZZLE4Which number replaces the question mark and completes the puzzle?2564197?12 44 3 25 3 5 1 16 1 2 8 3 3 17 2 8 4 39 ? 31 2 3 4 5 6 7 8IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 10EE9A0706-0CA4-40D1-B606-7292843C01F7
- 12. TEST111PUZZLE5PUZZLE6Which letter replaces the question markto complete this circle?Which number completes the puzzle?PUZZLE7PUZZLE8Which letter replaces the question mark andcompletes the puzzle?Which number replaces the question markand completes the puzzle?BFJNR??94125364981 6451171317?WTK?YPIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 11EE9A0706-0CA4-40D1-B606-7292843C01F7
- 13. TEST112PUZZLE9PUZZLE10Which letter is missing from the lowermiddle hexagon?Which letter completes the puzzle?PUZZLE11PUZZLE12Which number is missing from thebottom triangle?Which number replaces the question mark andcompletes the puzzle?3581322?7 3 6 245821 1 2 4124 ?GDQ?YRXNTJLBICMWE M HN OI ? DAIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 12EE9A0706-0CA4-40D1-B606-7292843C01F7
- 14. TEST113PUZZLE13PUZZLE14Which letter completes this puzzle? Which letter replaces the question mark to makethis puzzle work?PUZZLE15PUZZLE16Which number replaces the question markand completes the puzzle?Where should the minute hand be puton the bottom clock?9 1 54 82 ? 73A?JPFGB G LK P QF A ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 13EE9A0706-0CA4-40D1-B606-7292843C01F7
- 15. TEST114PUZZLE17PUZZLE18What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE19PUZZLE20Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the puzzle?2 112637 495665 81?4216?61171341510BGEC?26 28 31 35 ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 14EE9A0706-0CA4-40D1-B606-7292843C01F7
- 16. TEST115PUZZLE21PUZZLE22What is missing from the last circle? Which letter completes the puzzle?PUZZLE23PUZZLE24Which number replaces the question mark andcompletes the puzzle?Which letter replaces the question mark andcompletes the puzzle?7 9111315174 7101316196 11162126311 59?1721ZSMGI?DHEF? EI FE GC9 8 422 6 ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 15EE9A0706-0CA4-40D1-B606-7292843C01F7
- 17. TEST116PUZZLE25Which letter is missing from the lower right hand circle?PUZZLE26Which number replaces the question mark and completes the puzzle?375687102624?A C G IE Y K EI U O AM Q S ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 16EE9A0706-0CA4-40D1-B606-7292843C01F7
- 18. TEST117PUZZLE27PUZZLE28What is missing from the last square? Which numbers complete the puzzle?PUZZLE29PUZZLE30Which number is the odd one out in each oval? Which letter replaces the question mark andcompletes the puzzle?BA286335321648885872778649GCLJAH?WO7 3 4 6 1 91 1 0 9 0 75 2 4 2 3 29 9 5 0 0 16 7 8 2 9 71 5 4 8 ? ?2 8 93 2 43 6 ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 17EE9A0706-0CA4-40D1-B606-7292843C01F7
- 19. TEST218PUZZLE1PUZZLE2What is missing from the last segment? Which letter completes the puzzle?PUZZLE3PUZZLE4Which tool will make the last scalebalance?Which number replaces the question markand completes the puzzle??6 43 64 98 ?N L?U4 1746456 10 14 21ZOGOFHK?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 18EE9A0706-0CA4-40D1-B606-7292843C01F7
- 20. TEST219PUZZLE5What is missing from the lower middle circle?PUZZLE6Which letter replaces the question mark and completes the puzzle?A C F J L O S UT P M K G D B XV Y C E H L N QO M I F D Z W UR V X A E G J NK H F B Y W S ?3 152462 146315 298777 182441 46316 52913?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 19EE9A0706-0CA4-40D1-B606-7292843C01F7
- 21. TEST220PUZZLE7PUZZLE8What is missing from the bottom right hand circle? Which letter completes the puzzle?PUZZLE9PUZZLE10Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the puzzle?6 9 15 27 ?8 13106164 19?223 72 2 8L SR ?81 5 132961 125 ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 20EE9A0706-0CA4-40D1-B606-7292843C01F7
- 22. TEST221PUZZLE11PUZZLE13What is missing from the last circle?Which letter completes the puzzle?PUZZLE12PUZZLE14Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark and completes the puzzle?3 1 49271 5 ?27134935243592346?L QB K FG A?A PUY CSV CEG YGK ?BIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 21EE9A0706-0CA4-40D1-B606-7292843C01F7
- 23. TEST222PUZZLE15PUZZLE16What is missing from the last circle? Which number completes the puzzle?PUZZLE17Which letter replaces the question mark and completes the puzzle?G B CH F HA D ?B D I E K4 11926110 1057?114 1416292 7 173 11 195 13 ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 22EE9A0706-0CA4-40D1-B606-7292843C01F7
- 24. TEST223PUZZLE18PUZZLE19Which four digit number is missing fromthe last oval?Which number completes the puzzle?PUZZLE20Which letter replaces the question mark andcompletes the puzzle?C XG TK PM ?B YE V6 5161 3725 247 888 ?195383575763955?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 23EE9A0706-0CA4-40D1-B606-7292843C01F7
- 25. TEST224PUZZLE21Which of the lower circles replaces the question mark?Which letter completes the puzzle?PUZZLE23PUZZLE22Which number replaces the question mark and completes the puzzle?CEHMR SA GFMH?LJN1 37?567434 10 6KQ O ME U S Q GA I Y W U K SM C A Y OG E C?A D F G I L P RIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 24EE9A0706-0CA4-40D1-B606-7292843C01F7
- 26. TEST225PUZZLE24PUZZLE25What is missing from the last star?Which letter completes the puzzle?PUZZLE26PUZZLE27Which number replaces the question mark and completes the puzzle?Which number replaces the question mark and completes the puzzle?3 718 12 ?2 8 935 56?510237F P ZC J M T W DA K ? E1623449821110552 78 6 ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 25EE9A0706-0CA4-40D1-B606-7292843C01F7
- 27. TEST226PUZZLE28Which segment completes the puzzle?PUZZLE29Which letter replaces the question mark and completes the puzzle?Which letter follows the sequence to complete the puzzle?Q ZCVI RUNA JMFM VRE NQJ ?14 532C L F U J C L F U JN V Q R A N V Q R AW X G S M W X G S MH B O D B O D KP Y I I T EC L F F U JN V Q R V Q R AW X G S M W X G S MH B O D K H B O D KP Y I T E P Y I T EF UV Q R AW X G SB OY IC L F UN V Q RX GA NS M W XD K H BE P G SB O D KI T E PJ CK HT E P YU J C LA NPUZZLE30?A H F M K R PIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 26EE9A0706-0CA4-40D1-B606-7292843C01F7
- 28. TEST327PUZZLE1PUZZLE2Which number replaces the question mark andcompletes the sequence?Which number replaces the question markand completes the sequence?PUZZLE3PUZZLE4Which number replaces the question mark andcompletes the sequence?Which letter replaces the question mark andcompletes the sequence?310612741149411235?51 337923?2314413 9 4846616513 INC 26 QRG 74 DOM 87 SUI 78 AD? 24 1 11 11 33 3 1 6 59 2 9 4 26 4 8 9 35 1 ? 1 4IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 27EE9A0706-0CA4-40D1-B606-7292843C01F7
- 29. TEST328PUZZLE5Which letter replaces the question mark and completes the sequence?PUZZLE6Which number replaces the question mark and completes the sequence?FRG OPZ?N4 2 8 76 3 6 65 1 5 33 2 4 82 1 8 97 4 9 71 0 8 87 1 4 28 7 2 93 0 6 24 1 6 46 3 ? 5IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 28EE9A0706-0CA4-40D1-B606-7292843C01F7
- 30. TEST329PUZZLE7Which letter replaces the question mark and completes the puzzle?PUZZLE8PUZZLE9Which number replaces the question mark andcompletes the puzzle?Which letter replaces the question mark andcompletes the puzzle?FHBNPBGKLBGMCLD?UJPUZZLE10Which letter replaces the question mark and completes the puzzle?B U U O L Q GF H K P K L J C AM S D G O I H B K E ?3 97 2 24 11 65 7 34 84 58 ? 12 39 82 1 76 3HEWM RJG?Q XIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 29EE9A0706-0CA4-40D1-B606-7292843C01F7
- 31. TEST330PUZZLE11PUZZLE12Which number replaces the question mark andcompletes the puzzle?Which letter replaces the question mark andcompletes the puzzle?PUZZLE13Which number replaces the question mark and completes the puzzle?1 7 93 6 35 4 22 7 52 6 ?814 24 12?37 9 51116 3 1978 21 111341 12 62F JC Z OA N M UC ? BS JIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 30EE9A0706-0CA4-40D1-B606-7292843C01F7
- 32. TEST331PUZZLE14PUZZLE15Which letter replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?PUZZLE16Which playing card replaces the question mark and completes the puzzle?AG IC E LF D G ?4 33 ?3 91 66 40 62 24 34 71 3?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 31EE9A0706-0CA4-40D1-B606-7292843C01F7
- 33. TEST332PUZZLE17PUZZLE18Which letter replaces the question markand completes the sequence?Which letter replaces the question markand completes the puzzle?PUZZLE19PUZZLE20Where should the missing hourhand point?Which letter replaces the question mark andcompletes the puzzle?P UK PZ EU JF KA D? OY TFM CHRL GGSJ NIDK BEHPF?D F IX R ME M OA V RG N VE A ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 32EE9A0706-0CA4-40D1-B606-7292843C01F7
- 34. TEST333Mavis, Harold and Bette all ownproperties in rather exclusiveareas of the town, and haverecently had them valued. Harold livesin Meadow Rise, but his property isnot worth £75,000. The property inHoneysuckle Row worked out as thecheapest, despite it being a lovelyroad. Bette lives in a terrace house,although there are no terraced housesalong Shangri-La Way. Mavis’sproperty is not a bungalow. Can youdeduce from these clues which personlives where, in which property, andhow much the property was valued.PUZZLE21PUZZLE22PUZZLE23Which letter replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the puzzle?CULD LTK?6 3?9DPGMFKNRGEJIProperty Road ValueOwnerMavisHaroldBette£40,000£75,000£100,000Shangri-la WayHoneysuckleRowMeadow RiseBungalowFlatTerraceShangri-laWayHoneysuckleRowMeadowRise£40,000£75,000£100,000IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 33EE9A0706-0CA4-40D1-B606-7292843C01F7
- 35. TEST334PUZZLE24Which picture cube does this shape make?PUZZLE25PUZZLE26Which letter replaces the question mark andcompletes the puzzle?Joe and John are playingmarbles. If Joe loses onemarble to John, they will bothhave the same number ofmarbles, but if John loses onemarble to Joe, Joe will havetwice the number of marbles asJohn. How many marbles dothe two boys currently have?D G DYS K ?H LR LABCDIQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 34EE9A0706-0CA4-40D1-B606-7292843C01F7
- 36. TEST335183 12 615122 7 591211 4 815?8 3 4113 6918213 ?16 104 17225412 7 93135 9 61238 5 27215 12 ?16PUZZLE27Which number replaces the question mark and completes the puzzle?PUZZLE28Which number replaces the questionmark and completes the puzzle?PUZZLE29Which number replaces the questionmark and completes the puzzle?PUZZLE30Which domino replaces the question mark to complete the puzzle?IQ Mindbenders pp 001-071 5/9/05 4:25 pm Page 35EE9A0706-0CA4-40D1-B606-7292843C01F7
- 37. TEST436PUZZLE1PUZZLE2Which number is missing? Which letter completes the puzzle?PUZZLE3PUZZLE4Which symbol replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle??15 154 29 822 ?K ZHIL QVKFAMH C N ?D1635341?294352241177125936IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 36EE9A0706-0CA4-40D1-B606-7292843C01F7
- 38. TEST437PUZZLE5What is missing from the last circle?PUZZLE6Which letter replaces the question mark and completes the puzzle?H L P T X B F JA F K P U Z E JM S Y E K Q W CC J Q X E L S ZQ Y G O W E M UD M V E N W F ?4 273684 8756113 752595 11139132 1066143 119?7170IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 37EE9A0706-0CA4-40D1-B606-7292843C01F7
- 39. TEST438PUZZLE7PUZZLE8What is missing from the bottom left circle? Which letter completes the puzzle?PUZZLE9PUZZLE10Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?32 45 60 77 ?3 54 1745 3?5Q DC J MS GR ?E1 2 82? 5 6IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 38EE9A0706-0CA4-40D1-B606-7292843C01F7
- 40. TEST439PUZZLE11PUZZLE13What is missing from the last circle?Which letter completes the puzzle?PUZZLE12PUZZLE14Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark and completes the puzzle?1 2 34125 6 ?73692175241061194675?? IB D GE DCA FKD JPB IPO WEF O?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 39EE9A0706-0CA4-40D1-B606-7292843C01F7
- 41. TEST440PUZZLE15PUZZLE16What is missing from the last circle? Which number completes the puzzle?PUZZLE17Which of the bottom letters replace the question mark and completes the puzzle?L Z ET A MV N ?H D X W B4 1448726 6212315 124?210H C ZK F WN Q ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 40EE9A0706-0CA4-40D1-B606-7292843C01F7
- 42. TEST441PUZZLE18PUZZLE19What is missing from the last oval? Which number completes the puzzle?PUZZLE20Which letter replaces the question mark andcompletes the puzzle?C ED IE FF ?B HD B3 107137 2594 596 157 ?71226521833247439911387?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 41EE9A0706-0CA4-40D1-B606-7292843C01F7
- 43. TEST442PUZZLE21What is missing from the central circle?Which letter completes the puzzle?PUZZLE23PUZZLE22Which single digit number replaces the question mark?BPFIC OJ NUURZ?VA5 66?151042352 1 75 1 3 4 21 3 7 ? 1 4 27 2 3 1 26 2 251 2 3 4 5 6 7 8IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 42EE9A0706-0CA4-40D1-B606-7292843C01F7
- 44. TEST443PUZZLE24PUZZLE25What is missing from the last star?Which letter completes the puzzle?PUZZLE26PUZZLE27Which number replaces the question mark and completes the puzzle?Which letter replaces the question mark and completes the puzzle?B FL D ?M C AO1 3985267322 21 ?C K CR M D Q Z EF V V ?7391158617321277 27 5 ?IQ Mindbenders pp 001-071 18/8/05 5:27 pm Page 43EE9A0706-0CA4-40D1-B606-7292843C01F7
- 45. TEST444PUZZLE28Which shape completes the puzzle?PUZZLE29Which number replaces the question mark and completes the puzzle?Which letter replaces the question mark and completes the puzzle?3 7416 5223 1729 1239 694 ?14 5325 3 6 4 8 1 9 7 2 05 1 0 2 9 4 7 3 8 63 8 1 6 0 2 9 5 7 46 7 3 9 8 0 1 53 7 4 8 2 92 9 1 4 6 30 8 3 7 5 1 6 47 0 2 4 1 6 3 9 8 50 8 1 5 2 4 3 7 9 62 6 8 1 3 5 0 9 4 74 26 5 1 07 8 6 56 22 46 0 5 15 0 7 89 23 56 0 1 55 2 7 89 1 2 45 1 6 17 8 5 19 23 56 0 5 15 2 7 84 9PUZZLE30?B C E G K M QIQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 44EE9A0706-0CA4-40D1-B606-7292843C01F7
- 46. TEST545PUZZLE1Which grid replaces the question mark?PUZZLE2Which time from the choices given follows the sequence?A B C D E1:01 3:01 3:12 4:135:21 5:51 5:44 4:41 5:23A B C D E F?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 45EE9A0706-0CA4-40D1-B606-7292843C01F7
- 47. TEST546PUZZLE3Which letter replaces the question mark from the choices given below?PUZZLE4Which number replaces the question mark and completes the puzzle?9?47 24163J P TE M R X YA I V B F B EC Q M G IX T ?B F H K L N Q SIQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 46EE9A0706-0CA4-40D1-B606-7292843C01F7
- 48. TEST547PUZZLE5PUZZLE6What is missing from this wheel? Which letter completes the puzzle?PUZZLE7PUZZLE8Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?7269645748?95134202?7 15BDCGJ?CDKRA?IQ Mindbenders pp 001-071 5/9/05 4:25 pm Page 47EE9A0706-0CA4-40D1-B606-7292843C01F7
- 49. TEST548PUZZLE9PUZZLE10What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE11PUZZLE12Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the puzzle?2338456467?2 7 3 654146 8 8 1041 ?MCKO?LJFGIEAHJNQK P NV QT Y ?SIQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 48EE9A0706-0CA4-40D1-B606-7292843C01F7
- 50. TEST549PUZZLE13PUZZLE14What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE15PUZZLE16Which number replaces the question mark andcompletes the puzzle?Where should the hour hand be pointing onthe bottom clock?5 4 16 23 4 ?2?JN?YFGB D GF M IS J ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 49EE9A0706-0CA4-40D1-B606-7292843C01F7
- 51. TEST550PUZZLE17PUZZLE18What is missing from the last shape? Which letter completes the puzzle?PUZZLE19PUZZLE20Which letter replaces the question markand completes the puzzle?Which number replaces the question markand completes the chain?B IDJQD GMPYSH MU?N12835333024211715?AHFE?1 5 9 15 ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 50EE9A0706-0CA4-40D1-B606-7292843C01F7
- 52. TEST551PUZZLE21PUZZLE22What is missing from the last circle? Which letter completes the puzzle?PUZZLE23PUZZLE24Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the puzzle?8 109112142 817223 149265 95?0857532?8469R PX ?L FJ2 4 61016 26 ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 51EE9A0706-0CA4-40D1-B606-7292843C01F7
- 53. TEST552PUZZLE25What is missing from the last circle?PUZZLE26Which number replaces the question mark and completes the puzzle?4311210822565?A D D BB A D IB H E FC E F ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 52EE9A0706-0CA4-40D1-B606-7292843C01F7
- 54. TEST553PUZZLE27PUZZLE28What is missing from the last square? Which letter completes the puzzle?PUZZLE29PUZZLE30Which number is the odd one out in each oval? Which number replaces the question mark andcompletes the puzzle?BA425381351117157169494125767?625 7 2 1 3 26 1 0 5 8 27 3 9 2 2 11 4 2 8 6 53 2 7 5 5 69 9 2 1 5 ?5 8 114 9 107 6 ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 53EE9A0706-0CA4-40D1-B606-7292843C01F7
- 55. TEST654PUZZLE1PUZZLE2Which letter replaces the question mark andcompletes the puzzle?Which letter replaces the question mark andcompletes the puzzle?PUZZLE3PUZZLE4Which number is missing? Which letter replaces the question markand completes the puzzle?DAEIXIMCQSNUY?HC5 652?4345 2453463 15 411311895E L R C E X CI I P H T L DM X F T M H BN R L X N F C? O Y J T Q EF O XH QM V EA JT C ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 54EE9A0706-0CA4-40D1-B606-7292843C01F7
- 56. TEST655PUZZLE5Which letter completes this chain?PUZZLE6Which number replaces the question mark and completes the puzzle?JAF ?KXON3 6 2 62 7 5 1511 5 10 112 7 19 94 10 11 1620 7 14 19 1 17 32 3 6 19 2 4 06 5 15 30 4 1 142 3 6 ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 55EE9A0706-0CA4-40D1-B606-7292843C01F7
- 57. TEST656PUZZLE7Which letter replaces the question mark in the last star?PUZZLE8PUZZLE9Which number completes the puzzle? Which number replaces the question mark andcompletes the puzzle?EWOGUMLCTKDUTJZP?DPUZZLE10Which letter replaces the question mark and completes the puzzle?Q T X C F J OR V A D H M P T YB F K N R W Z D I L ?6 1L P D2 45 1J M C2 33 2O U F5 ?4 4L T H3 27639 64?613 6IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 56EE9A0706-0CA4-40D1-B606-7292843C01F7
- 58. TEST657PUZZLE11PUZZLE12Which letter replaces the question mark? Which number is missing from the puzzle?PUZZLE13Which number do you need to add to complete the puzzle?3 P 89 G 112 U 43 W 17 ? 1833 17 15472 25 ?486 14 8165 23 243 32 8 61 6 14 94 ? 87 7IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 57EE9A0706-0CA4-40D1-B606-7292843C01F7
- 59. TEST658PUZZLE14PUZZLE15Which letter is missing? Which letter replaces the question mark andcompletes the puzzle?PUZZLE16Which playing card replaces the question mark and completes the puzzle?GJ YN F WS ? G RQ XL GA HV QT CM HY DP ?Z EU L?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 58EE9A0706-0CA4-40D1-B606-7292843C01F7
- 60. TEST659PUZZLE17PUZZLE18Which letter completes this puzzle? Which number will complete the grid?PUZZLE19PUZZLE20What time should the bottom clock show? Which letter replaces the question mark andcompletes the puzzle?D LA CM FA EL HD KQ IB ??CB AIFE IADH BCEB H?132625351 0 0 2 5 61 2 1 2 8 91 4 4 3 2 41 6 9 3 6 11 9 6 4 0 02 2 5 4 4 ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 59EE9A0706-0CA4-40D1-B606-7292843C01F7
- 61. TEST660Newtown has always had a thrivingamateur dramatics scene. Thisyear, the Piecrust Players wereputting on a production of Macbeth.Othello, which was not performed by theCoventry Amateur Dramatics, had thecheapest tickets. Julius Caesar was theproduction put on in March and, althoughit had the best set yet seen in Newtown,was not the most expensive to see. TheReal Shakespeare Company’s productionwas put on later than the Piecrust Players’one. From this information, can you workout which group put on which play, thecost of the tickets and the month in whichthe plays could be seen?PUZZLE21Which number is missing from this puzzle? Which letter replaces the question markand completes the sequence?96112 41416?J VBXIWLLOSDKSO?JPlay OpeningmonthTicketpriceTheatregroupJulius CaesarOthelloMacbeth£3£6£10MarchJuneOctoberCoventryAmateurDramaticsRealShakespeareCo.PiecrustPlayersMarchJuneOctober£3£6£10PUZZLE23PUZZLE22IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 60EE9A0706-0CA4-40D1-B606-7292843C01F7
- 62. TEST661PUZZLE24Which picture cube does this shape make?PUZZLE25PUZZLE26Which number replaces the question mark andcompletes the puzzle?6 7 22213 4 ?13 917 5Penelope buys a smallbottle of her favouriteperfume for £10. If theperfume is worth £9 morethan the cost of the ornatebottle it comes in, howmuch is the bottle worth?ABCDIQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 61EE9A0706-0CA4-40D1-B606-7292843C01F7
- 63. TEST662PUZZLE27Which letter is missing from the last grid?AU Z ECFJ O THKY D IMPN ? XRPUZZLE28Which letter is missing from the puzzle?H LPTXBF RJ NV ZD?LPPUZZLE29Which letter replaces the question mark and completes the puzzle?AJ O TUXD J PQJM T AB?V D LMPUZZLE30What is required to complete the puzzle??IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 62EE9A0706-0CA4-40D1-B606-7292843C01F7
- 64. TEST763PUZZLE1What is missing from the last grid?PUZZLE2Which watch shown below fills the missing space?A B C D E9:05 8:53 8:29 7:537:05 7:33 6:59 6:56 7:08A B C D E F?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 63EE9A0706-0CA4-40D1-B606-7292843C01F7
- 65. TEST764PUZZLE3What is missing from the last circle?PUZZLE4Which number replaces the question mark and completes the puzzle?4522 1087311 12?3 1 42 1 5 1 13 1 2 0 4 2 06 1 2 3 28 4 ?1 2 3 4 5 6 7 8IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 64EE9A0706-0CA4-40D1-B606-7292843C01F7
- 66. TEST765PUZZLE5PUZZLE6What is missing from the last segment? Which number completes the puzzle?PUZZLE7PUZZLE8Which number replaces the question mark andcompletes the puzzle?Which number replaces the question markand completes the puzzle?68122036?23376251 ?21883250?DHVFB?IQ Mindbenders pp 001-071 5/9/05 4:25 pm Page 65EE9A0706-0CA4-40D1-B606-7292843C01F7
- 67. TEST766PUZZLE9PUZZLE10What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE11PUZZLE12Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?58101114?7 3 2 634291 5 7 5560 ?EAJP?ENXZPGYRLGCB B EB EB H ?FIQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 66EE9A0706-0CA4-40D1-B606-7292843C01F7
- 68. TEST767PUZZLE13PUZZLE14What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE15PUZZLE16Which number replaces the question mark andcompletes the puzzle?Where should the hour hand point to on thebottom clock?4 2 87 173 4 ?4?ID?EEAA E WI M OQ Y ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 67EE9A0706-0CA4-40D1-B606-7292843C01F7
- 69. TEST768PUZZLE17PUZZLE18What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE19PUZZLE20Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the chain?3 73362 699116 135?53?45291397519AFDB?B F J P ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 68EE9A0706-0CA4-40D1-B606-7292843C01F7
- 70. TEST769PUZZLE21PUZZLE22What is missing from the last circle? Which number completes the puzzle?PUZZLE23PUZZLE24Which number replaces the question mark andcompletes the puzzle?Which letter replaces the question mark andcompletes the puzzle?6 213741 932457 11451195 72?31?AVKPBGLQ7 82 33 4?12 9 734 6 ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 69EE9A0706-0CA4-40D1-B606-7292843C01F7
- 71. TEST770PUZZLE25What is missing from the last circle?PUZZLE26Which letter replaces the question mark and completes the puzzle?GAMWPDJBRNE?E L B IG D F MJ A F BC H K ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 70EE9A0706-0CA4-40D1-B606-7292843C01F7
- 72. TEST771PUZZLE27PUZZLE28What is missing from the last square? Which number completes the puzzle?PUZZLE29PUZZLE30Which two numbers are the odd ones outin each of these ovals?Which number replaces the question markand completes the puzzle?2118 51515119212016126810571211314?4 1 2 5 2 36 3 5 7 4 61 5 4 2 6 57 4 5 6 3 49 6 8 8 5 74 8 7 3 7 ?2 14 223 9 354 6 ?IQ Mindbenders pp 001-071 18/8/05 5:28 pm Page 71EE9A0706-0CA4-40D1-B606-7292843C01F7
- 73. TEST872PUZZLE1PUZZLE2What is missing from the last segment? Which letter completes the puzzle?PUZZLE3PUZZLE4What object is needed to makethe scales balance?Which letter replaces the question mark andcompletes the puzzle??D HC FD BE ?A FP ?Q VGL6?1104735IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 72EE9A0706-0CA4-40D1-B606-7292843C01F7
- 74. TEST873PUZZLE5What is missing from the last circle?PUZZLE6Which letter replaces the question mark and completes the puzzle?A F D P R A C DC R U C F U P FP P A A D D R RR C C U U F F PF A P D A R D CD U R F C P U ?B FHJSNE RIWBQV LDHXAF JLNWRA QICFK X?CHWMIQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 73EE9A0706-0CA4-40D1-B606-7292843C01F7
- 75. TEST874PUZZLE7PUZZLE8What is missing from the last circle? Which letter completes the puzzle?PUZZLE9PUZZLE10Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?3 9 17 27 ?2 3468 12?24A EA D CE GD ?G2 0 371 9 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 74EE9A0706-0CA4-40D1-B606-7292843C01F7
- 76. TEST875PUZZLE11PUZZLE13What is missing from the middle circle?Which letter completes the puzzle?PUZZLE12PUZZLE14Which number replaces the question markand completes the puzzle?Which number replaces the question mark and completes the puzzle?3 1 7115712 10 ?5712413641891056235?N TJ P VH B?4 269 718 8?3 142 02IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 75EE9A0706-0CA4-40D1-B606-7292843C01F7
- 77. TEST876PUZZLE15PUZZLE16What is missing from the last circle? Which letter completes the puzzle?PUZZLE17Which number replaces the question mark and completes the puzzle?3 12 74 15 96 11 ?C FILORH LPTXBE JOYD?A G HD L PN F ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 76EE9A0706-0CA4-40D1-B606-7292843C01F7
- 78. TEST877PUZZLE18PUZZLE19What is missing from the last oval? Which letter completes the puzzle?PUZZLE20Which number replaces the question markand completes the puzzle?4 511 1624 3758 ?3 46 8B JHLE KP FC ORD MIQ ?123169145297?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 77EE9A0706-0CA4-40D1-B606-7292843C01F7
- 79. TEST878PUZZLE21Which of the letters below is missing from the bottom circle?Which letter completes the puzzle?PUZZLE23PUZZLE22Which number replaces the question mark and completes the puzzle?BNEHK PD HTLFZ?KU3 85?3830231712AD H MS V Z E KN R W C F J OU X B G MP T Y?A B C D E F G HIQ Mindbenders pp 072-134 5/9/05 4:28 pm Page 78EE9A0706-0CA4-40D1-B606-7292843C01F7
- 80. TEST879PUZZLE24PUZZLE25What is missing from the last star?Which letter completes the puzzle?PUZZLE26PUZZLE27Which number replaces the question mark and completes the puzzle?Which number replaces the question mark and completes the puzzle?7 914 3 53 2 ?64 3634271316 54 ?B H NT Z F L R XD J P ?35476891174 7 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 79EE9A0706-0CA4-40D1-B606-7292843C01F7
- 81. TEST880PUZZLE28Which segment fills the gap?PUZZLE29Which number replaces the question mark and completes the puzzle?Which number replaces the question mark and completes the sequence?6 12585 1427 7666 441 352 ?14 532A E I M QB F J N RD H L P TY C K OG K WV H LJ N V ZS W A E IM Q U Y CP T X B FGO SZ DRRT ZK EFOG RZ DS HY MF NSFH NY SMPUZZLE30?4 9 5 6 6 3 7IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 80EE9A0706-0CA4-40D1-B606-7292843C01F7
- 82. TEST981PUZZLE1PUZZLE2Which letter replaces the question markand completes the sequence?Which single-digit number replaces thequestion mark and completes the puzzle?PUZZLE3PUZZLE4Which number replaces the question markand completes the puzzle?Which letter is missing?BLFVMYW?ZKOVERRE3 96382647 1625912 3 75?4801A DH MF KN RL PU XS VZ EX CF ?3 7 4 2 31 2 5 8 94 3 5 3 86 5 2 7 12 1 2 6 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 81EE9A0706-0CA4-40D1-B606-7292843C01F7
- 83. TEST982PUZZLE5Which number replaces the question mark and completes the sequence?PUZZLE6Which number completes the bottom grid?582 79?133 57335463 5 4 81 11 7 32 6 1 121 2 4 54 3 2 87 1 3 14 7 8 135 14 9 119 7 4 132 3 0 33 8 5 55 5 2 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 82EE9A0706-0CA4-40D1-B606-7292843C01F7
- 84. TEST983PUZZLE7Which letter replaces the question mark and completes the puzzle?PUZZLE8PUZZLE9Which number replaces the question mark andcompletes the puzzle?Which number completes the puzzle?KIQOWCPSWZDLIC?KYUPUZZLE10Which number replaces the question mark on the third triangle?31 1 5 2 3 0 396 11 14 8 10 5 16 ? 122 1 3 7 4 23 6 2 8 1 33 91 11 84 24 26 11 17 34 12 ? 36 22 68 2 43 517763 2119?8 3IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 83EE9A0706-0CA4-40D1-B606-7292843C01F7
- 85. TEST984PUZZLE11PUZZLE12Which number replaces the question mark tocomplete the puzzle?Which number replaces the question mark andcompletes the sequence?PUZZLE13Which letter replaces the question mark and completes the puzzle?3 5 32 4 78 4 36 2 92 11 ?OY X GAGM D USYW ? EKWK R SIEA P IQ23 1712 11 63 9 2 46 7 21 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 84EE9A0706-0CA4-40D1-B606-7292843C01F7
- 86. TEST985PUZZLE14PUZZLE15Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark tofinish this puzzle?PUZZLE16Which playing card replaces the question mark and completes the puzzle?46 29 3 119 10 7 ?5 59 72 17 510 563 3515 2018 ?3 42 2?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 85EE9A0706-0CA4-40D1-B606-7292843C01F7
- 87. TEST986PUZZLE17PUZZLE18Which letter replaces the question mark andcompletes the sequence?Which letter replaces the question mark andcompletes the grid?PUZZLE19PUZZLE20Where should the missinghour hand point to?Which letter completes this puzzle?A MJ UR FB SE PP HI ZY ??ON CHTL NJFM BDPE A?1881318B N ZH T FQ E SX L ZE U KM C ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 86EE9A0706-0CA4-40D1-B606-7292843C01F7
- 88. TEST987Bob, Mike and Sandra are all keengardeners, and are proud of theirallotments. Bob never works on hispatch on a Friday, and without the kneeproblems which affect some of hisfriends, produces the best roses in thevillage. Sandra, who suffers from tenniselbow, only gets chance to work onMondays, and is not known for herapples. The person who grows applesalways works on the allotments on aFriday. There is enough information hereto work out which gardener produceswhich crop, which day of the week theycan usually be found at the allotments,and what kind of injury each one tendedto suffer from.PUZZLE21PUZZLE22PUZZLE23Which letter replaces the question mark andcompletes the sequence?Which letter replaces the question mark andcompletes the sequence?OEFS J?BIU B?MFERKC CSOInjury Crop DayGardenerHousemaid’skneeTennis elbowBad backRosesPotatoesApplesMondayWednesdayFridayBobMikeSandraMondayWednesdayFridayRosesPotatoesApplesIQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 87EE9A0706-0CA4-40D1-B606-7292843C01F7
- 89. PUZZLE24PUZZLE25PUZZLE26Which letter replaces the question mark andcompletes the puzzle?Q X ECM ? UJ LV LFor Christmas this year, theTaylor family had a gettogether. The following peoplewere present: one grandmother,one grandfather, two mothers,two fathers, one father-in-law,one mother-in-law, onedaughter-in-law, four children,three grandchildren, one brother,two sisters, two sons and twodaughters. What is the fewestnumber of individuals thatcould have been there?Which picture cube does this shape make?ABCDTEST988IQ Mindbenders pp 072-134 5/9/05 4:28 pm Page 88EE9A0706-0CA4-40D1-B606-7292843C01F7
- 90. PUZZLE27Which letter replaces the question mark and completes the puzzle?DF H JLGI N SUPR U XZJM Q U?PUZZLE28Which number replaces the question mark and completes the wheel?4 29863M IS W6 118?12PUZZLE29Which letter replaces the question mark and completes the puzzle?DJ O TYLN T ZFJH O VC?C K SAPUZZLE30What number should the last domino show on the top to complete this puzzle??TEST989IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 89EE9A0706-0CA4-40D1-B606-7292843C01F7
- 91. TEST1090PUZZLE1PUZZLE2What is missing from this wheel? Which number completes the puzzle?PUZZLE3PUZZLE4Which symbol is needed to balance thebottom scale?Which letter replaces the question markand completes the puzzle?? C XL OS HJ ?3 7?212 965FILDJEI?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 90EE9A0706-0CA4-40D1-B606-7292843C01F7
- 92. TEST1091PUZZLE5What is missing from the bottom middle circle?PUZZLE6Which letter replaces the question mark and completes the puzzle?D I N S X C H MO T Y D I N S RJ Q V A F K X WE L E Z U P C BZ G B W R M ? GU P K F A V Q L1 326543 271214 5831162 796155 26544 28452?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 91EE9A0706-0CA4-40D1-B606-7292843C01F7
- 93. TEST1092PUZZLE7PUZZLE8What is missing from the bottom righthand circle?Which number completes the puzzle?PUZZLE9PUZZLE10Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?26 22 18 12 ?2 1134 6?63 39 9 22 01 ?5J P WEN X ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 92EE9A0706-0CA4-40D1-B606-7292843C01F7
- 94. TEST1093PUZZLE11PUZZLE13What is missing from the last circle?Which number completes the puzzle?PUZZLE12PUZZLE14Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark and completes the puzzle?4 3 72469 ? 3642367329155611?57747 293 4 776 11?2 138 229 634 61411 ?6IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 93EE9A0706-0CA4-40D1-B606-7292843C01F7
- 95. TEST1094PUZZLE15PUZZLE16What is missing from the last circle? Which letter completes the puzzle?PUZZLE17Which of the letters below complete the puzzle?A E FH I KL M ?N O P Q RE KHOCPH NKRFSK QNIV?A Z EF U JK P ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 94EE9A0706-0CA4-40D1-B606-7292843C01F7
- 96. TEST1095PUZZLE18PUZZLE19What is missing from the bottom oval? Which number completes the puzzle?PUZZLE20Which number replaces the question mark andcompletes the puzzle?1 52 43 03 ?1 22 12 1644 3219 763 341 ?CEHKP?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 95EE9A0706-0CA4-40D1-B606-7292843C01F7
- 97. TEST1096PUZZLE21Which of the lower letters replace the question mark to complete the puzzle?Which number completes the puzzle?PUZZLE23PUZZLE22Which number replaces the question mark and completes the puzzle?610392 28 4821?68311 1110?98567FJ O UB J S C GL R Y G P Z DI O V D MW A F?A D H L P S V ZIQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 96EE9A0706-0CA4-40D1-B606-7292843C01F7
- 98. TEST1097PUZZLE24PUZZLE25What is missing from the last star?Which letter completes the puzzle?PUZZLE26PUZZLE27Which number replaces the question mark and completes the puzzle?Which number replaces the question mark and completes the puzzle?8 416 24 ?8 9 1292 4917157111125 9 ?O I MA B Y R G RL N Z ?HPXFNOXGPYD?HR NIQ Mindbenders pp 072-134 5/9/05 4:28 pm Page 97EE9A0706-0CA4-40D1-B606-7292843C01F7
- 99. TEST1098PUZZLE28Which segment completes the puzzle?PUZZLE29Which number replaces the question mark and completes the puzzle?Which number replaces the question mark and completes the puzzle?1 3248 9723 2167 6211 1188 ?14 532B E H D G JK N M PQ T W S V YZ C B EF I H K NK N J MT W P SZ C F V Y BI L E HO R U K N QK NM YV YH QL HG QT PF VL HQ GPUZZLE30?3 6 5 7 8 11 15IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 98EE9A0706-0CA4-40D1-B606-7292843C01F7
- 100. TEST1199PUZZLE1What is missing from the last circle?PUZZLE2Which watch shown below fills in the missing shape?A B C D E1:52 2:33 4:31 5:121:03 3:44 2:53 6:20 6:41A B C D E F?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 99EE9A0706-0CA4-40D1-B606-7292843C01F7
- 101. TEST11100PUZZLE3Which of the lower circles replace the question mark to complete the puzzle?PUZZLE4Which number replaces the question mark and completes the puzzle?4266 51432?30 25B F DA E E B AD D A B A C AG C C C BH F ?A B C D E F G HIQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 100EE9A0706-0CA4-40D1-B606-7292843C01F7
- 102. TEST11101PUZZLE5PUZZLE6Which letter is missing from the right-hand segment? Which letter completes the puzzle?PUZZLE7PUZZLE8Which number replaces the question markand completes the puzzle?Which letter replaces the question markand completes the puzzle?3639445160?BXUSGM?K BKOBFQ?H?HIBNIQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 101EE9A0706-0CA4-40D1-B606-7292843C01F7
- 103. TEST11102PUZZLE9PUZZLE10What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE11PUZZLE12Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the puzzle?293093282?2 1 9 744723 3 7 5904 ?PBLB?NFZGVQHATKJ9 3 72 17 2 ?6IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 102EE9A0706-0CA4-40D1-B606-7292843C01F7
- 104. TEST11103PUZZLE13PUZZLE14What is missing from the last octogon? Which letter completes the puzzle?PUZZLE15PUZZLE16Which number replaces the question markand completes the puzzle?Where should the hour hand point to on thebottom clock?7 5 58 213 ? 67?FI?NVA3 2 65 2 19 5 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 103EE9A0706-0CA4-40D1-B606-7292843C01F7
- 105. TEST11104PUZZLE17PUZZLE18What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE19PUZZLE20Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the chain?10 68247 9132678 14?142?1216115738BHEC?E J O T ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 104EE9A0706-0CA4-40D1-B606-7292843C01F7E E 9 A 0 7 0 6 0 C A 4 4 0 D 1 B 6 0 6 7 2 9 2 8 4 3 C 0 1 F 7
- 106. TEST11105PUZZLE21PUZZLE22What is missing from the last circle? Which number completes the puzzle?PUZZLE23PUZZLE24Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?4 6957312 268475 915711321 19?511?7854365792 51 22 1?E K RZI S ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 105EE9A0706-0CA4-40D1-B606-7292843C01F7billy corum
- 107. TEST11106PUZZLE25What is missing from the last circle?PUZZLE26Which letter replaces the question mark and completes the puzzle?EMIQOPDLHTJ?C F J OG L R YB I Q ZK T D ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 106EE9A0706-0CA4-40D1-B606-7292843C01F7
- 108. TEST11107PUZZLE27PUZZLE28What is missing from the last square? Which letter completes the puzzle?PUZZLE29PUZZLE30Which letter is the odd oneout in each oval?Which number replaces the question mark andcompletes the puzzle?21CMGBLTQVPDSW83762353?A C F E G JJ S J N W NB U O F Y SD F I K M PM V M T C TE X R L E ?2 3 76 4 58 8 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 107EE9A0706-0CA4-40D1-B606-7292843C01F7
- 109. TEST12108PUZZLE1PUZZLE2Which letter replaces the question mark andcompletes the puzzle?Which number completes this puzzle?PUZZLE3PUZZLE4Which letter will make this puzzle correct? Which letter replaces the question mark andcompletes the puzzle?OTAFXRRLGMPVLFH?GJ IARBND?CEBOHLA M QJTRIGWN 252 RT 500 YY 400 PK 132 LG 182 ?10 9 6 12 37 14 11 7 213 8 2 1 41 6 4 2 913 9 11 16 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 108EE9A0706-0CA4-40D1-B606-7292843C01F7
- 110. TEST12109PUZZLE5Which letter replaces the question mark and completes the sequence?PUZZLE6Which number needs to be added to the final grid?KUA OSI?E4 1 6 216 10 20 63 9 11 412 8 3 07 10 17 64 2 17 63 8 1 713 14 6 136 6 3 19 11 2 59 14 4 84 3 4 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 109EE9A0706-0CA4-40D1-B606-7292843C01F7
- 111. TEST12110PUZZLE7Which number fills the centre of the last star to complete the puzzle?PUZZLE8PUZZLE9Which letter replaces the question mark andcompletes the puzzle?Which number needs to be added tocomplete the puzzle?19346523112841174?59926PUZZLE10Which letter replaces the question mark and completes the sequence?N J Q X E L HH X T G N S Z D PB R L F Z Z R V N F ?E B9 3 6A HD A9 4 3B CA G6 1 2C ?B E9 7 5C I23721 5592?3 8IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 110EE9A0706-0CA4-40D1-B606-7292843C01F7
- 112. TEST12111PUZZLE11PUZZLE12Which number replaces the question markand completes the puzzle?Which letter is missing from the bottomof the grid?PUZZLE13Which number is missing from the bottom shape?7 12 81 4 63 11 119 11 512 13 ?64 19 11238 23 6?18 21 2425 15 75X FN R VL F L FR Z ZH TL?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 111EE9A0706-0CA4-40D1-B606-7292843C01F7
- 113. TEST12112PUZZLE14PUZZLE15Which number replaces the question mark andcompletes the sequence?Which number replaces the question mark andcompletes the sequence?PUZZLE16Which playing card replaces the question mark and completes the puzzle?93 41 5 16? 14 7 239 313 716 139 107 93 ?21 68 9?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 112EE9A0706-0CA4-40D1-B606-7292843C01F7
- 114. TEST12113PUZZLE17PUZZLE18Which letter replaces the question mark andcompletes the sequence?Which number replaces the question markand completes the sequence?PUZZLE19PUZZLE20Where should the missing hourhand point to?Which letter replaces the question markand completes the puzzle?B GK FL QA VP U? TZ EO J?G PK ET ?X B4111610 6 4 1 2 11 2 5 1 4 42 1 6 1 6 93 4 3 1 9 65 1 2 2 2 57 2 9 2 5 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 113EE9A0706-0CA4-40D1-B606-7292843C01F7
- 115. TEST12114Andrew, Daisy and Lily were allexcited about their school’s fancydress competition, and theirmothers had spent a good deal of timegetting their costumes ready. Jane’s childwas the youngest of the group, and hadgone dressed up as a T.V set. Mary wasso proud of her child, who was 9 yearsold. Andrew, whose mum was Paula, didnot go as a Martian. Daisy loved Andrew’scostume but, being younger than him,thought she looked sweeter in hers.From all this information, can you tellwhich child had which mum, how old theywere, and which costume they wore to thefancy dress competition.PUZZLE21PUZZLE22PUZZLE23Which letter replaces the question mark andcompletes the puzzle?Which letter replaces the question mark andcompletes the sequence?DHOJ K?QMA WBBENXYUK?MGEJPMother Costume AgeChildJaneMotherChildMaryPaula789MartianCarrotT.VAndrewDaisyLilyMartianCarrotT.V789IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 114EE9A0706-0CA4-40D1-B606-7292843C01F7
- 116. TEST12115PUZZLE24Which picture cube does this shape make?PUZZLE25PUZZLE26Which letter replaces the question mark andcompletes the puzzle?S B KAC V ?J TJ HIf five men can dig 100holes over four days, howmany men would be neededto dig 150 holes in one day?ABCDIQ Mindbenders pp 072-134 6/9/05 2:46 pm Page 115EE9A0706-0CA4-40D1-B606-7292843C01F7
- 117. TEST12116PUZZLE27Which number replaces the question mark and completes the puzzle?312 18 145411 5 79816 13 10549 16 13?PUZZLE28Which letter replaces the question mark and completes the puzzle?E ZWQLHD IR OV SN?GAPUZZLE29Which number replaces the question mark and completes the puzzle?45 6 1558 11 32442 8 61237 11 ?28PUZZLE30What spot total should be shown where the question mark is??IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 116EE9A0706-0CA4-40D1-B606-7292843C01F7
- 118. TEST13117PUZZLE1What is missing from the last grid?PUZZLE2Which watch completes the puzzle?A B C D E1:51 2:40 4:18 7:4510:50 11:41 9:36 10:44 11:01A B C D E F?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 117EE9A0706-0CA4-40D1-B606-7292843C01F7
- 119. TEST13118PUZZLE3Which of the lower circles is the missing one from the puzzle?PUZZLE4Which letter replaces the question mark and completes the puzzle?M?IA PEHCJ5 3 26 4 2 5 38 2 7 4 1 5 13 2 4 6 12 ? 71 2 3 4 5 6 7 8IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 118EE9A0706-0CA4-40D1-B606-7292843C01F7
- 120. TEST13119PUZZLE5PUZZLE6What is missing from the last segment? Which letter completes the puzzle?PUZZLE7PUZZLE8Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?1217243344?375121110?4 10JUQBF?144169225256121?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 119EE9A0706-0CA4-40D1-B606-7292843C01F7
- 121. TEST13120PUZZLE9PUZZLE10What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE11PUZZLE12Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?79132137?7 4 3 173226 5 8 5473 ?PBM?QIOAKESRDGFCB G IU PW B ?NIQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 120EE9A0706-0CA4-40D1-B606-7292843C01F7
- 122. TEST13121PUZZLE13PUZZLE14What is missing from the last circle? Which letter completes the puzzle?PUZZLE15PUZZLE16Which number replaces the question markand completes the puzzle?Where should the minute hand point to onthe bottom clock?6 13 1128 2621 23 ?18?QV?IQMA G FJ Y OE H ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 121EE9A0706-0CA4-40D1-B606-7292843C01F7
- 123. TEST13122PUZZLE17PUZZLE18What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE19PUZZLE20Which letter replaces the question markand completes the puzzle?Which number replaces the question markand completes the chain?A OCZUM XSDYSG BWE?54925837161186?BGDC?1 2 4 6 ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 122EE9A0706-0CA4-40D1-B606-7292843C01F7
- 124. TEST13123PUZZLE21PUZZLE22What is missing from the last circle? Which letter completes the puzzle?PUZZLE23PUZZLE24Which number replaces the question markand completes the puzzle?Which letter replaces the question markand completes the puzzle?9 431435 630587 251366 23?82THLNH?DBCPG PL RC G?N S TGM L ?IQ Mindbenders pp 072-134 17/8/05 2:33 pm Page 123EE9A0706-0CA4-40D1-B606-7292843C01F7
- 125. TEST13124PUZZLE25Which letter replaces the question mark?PUZZLE26Which number replaces the question mark and completes the puzzle?64633539968?E J O TZ S ? YU N I DP K F AIQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 124EE9A0706-0CA4-40D1-B606-7292843C01F7
- 126. TEST13125PUZZLE27PUZZLE28What is missing from the last square? Which letter completes the puzzle?PUZZLE29PUZZLE30Which number is the odd oneout in each oval?Which number replaces the question mark andcompletes the puzzle?BA636304812364224521218936421117?L R XT Z DN D FX J JH R LB V ?1 2 11 4 41 6 ?IQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 125EE9A0706-0CA4-40D1-B606-7292843C01F7
- 127. TEST14126PUZZLE1PUZZLE2Which number completes this wheel? Which number completes the puzzle?PUZZLE3PUZZLE4Where should the missing hour hand point toon the bottom clockface?Which letter replaces the question mark andcompletes the puzzle??Q TL OE H?3 3 169 2218 7 ?361676?136IQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 126EE9A0706-0CA4-40D1-B606-7292843C01F7
- 128. TEST14127PUZZLE5What is missing from the lower middle circle?PUZZLE6Which letter replaces the question mark and completes the puzzle?TFMDNVYGPWC?1 6811249 23114710 8111216113 2121447 2?3210 472161IQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 127EE9A0706-0CA4-40D1-B606-7292843C01F7
- 129. TEST14128PUZZLE7PUZZLE8What is missing from the last hexagon? Which number completes the puzzle?PUZZLE9PUZZLE10Which letter replaces the question mark andcompletes the puzzle?Which letter replaces the question mark andcompletes the puzzle?R T K NQTVXM R C GOWB ?KGPVYCHDIFZ?QNRM6791321?DULEP?IQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 128EE9A0706-0CA4-40D1-B606-7292843C01F7
- 130. TEST14129PUZZLE11PUZZLE13What is missing from the last circle?Which number completes the puzzle?PUZZLE12PUZZLE14Which letter replaces the question mark andcompletes the puzzle?Which number replaces the question mark and completes the puzzle?A Q GJ Z PH X NC S IO E UV L ?38142102610756114329?Q4131697SJ?I OCF HMB RGD KLP A?IQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 129EE9A0706-0CA4-40D1-B606-7292843C01F7
- 131. TEST14130PUZZLE15PUZZLE16Which letter replaces the question mark to completethe puzzle?Which number completes the puzzle?PUZZLE17Which of the lower patterns completes the puzzle?A B C D E F?6 14 1124 1621 29 ?19?GIDOMIQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 130EE9A0706-0CA4-40D1-B606-7292843C01F7
- 132. TEST14131PUZZLE18PUZZLE19What is missing from the last oval? Which number completes the puzzle?PUZZLE20Which letter replaces the question mark andcompletes the puzzle?F KBGED AITCDH BLC?5 7 10 3 ?BGKOFAHIGOCHFQEMI?IQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 131EE9A0706-0CA4-40D1-B606-7292843C01F7
- 133. TEST14132PUZZLE21Which letter is missing from the puzzle?Which letter completes the puzzle?PUZZLE23PUZZLE22Which number replaces the question mark and completes the puzzle?BFTNH WN OIFG?IWU8 1221065349 3 ?W E P HQ K V BI S ? TC Y J NIQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 132EE9A0706-0CA4-40D1-B606-7292843C01F7
- 134. TEST14133PUZZLE24PUZZLE25What is missing from the last star?Which letter completes the puzzle?PUZZLE26PUZZLE27Which number replaces the question mark and completes the puzzle?Which number replaces the question mark and completes the puzzle?4 34 7 ?6 4 134 476234232 5 ?G Q AI N S X C HA K U ?255811143563?710 4IQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 133EE9A0706-0CA4-40D1-B606-7292843C01F7
- 135. TEST14134PUZZLE28What time would the blank watch show?PUZZLE29Which letter replaces the question mark and completes the puzzle?Which letter replaces the question mark and completes the puzzle?M S YG A G M EA U Q W C S KO K E Y QI C ?G L R T U W Y ZA B C D E4:32 6:35 5:19 7:228:06 7:54 4:19 6:06 5:32PUZZLE30?A F I L N V XIQ Mindbenders pp 072-134 17/8/05 2:34 pm Page 134EE9A0706-0CA4-40D1-B606-7292843C01F7
- 136. TEST15135PUZZLE1PUZZLE2Which number replaces the question markand completes the puzzle?Which letter replaces the question markand completes the grid?PUZZLE3PUZZLE4Which letter replaces the question markand completes the wheel?Which number replaces the question markand completes the sequence?E69DA35E7FE84HB?J QXELSZGK DWP?BUN6 FKM 2412 LUC 2420 IRB 94 DGQ 2434 PJH ?3 5 2 8 72 9 1 4 31 4 3 9 14 6 3 5 2J X I Z ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 135EE9A0706-0CA4-40D1-B606-7292843C01F7
- 137. TEST15136PUZZLE5What is missing from this puzzle?PUZZLE6Which letter replaces the question mark and completes the final grid?637 42?859 71120557529D C H GI X M BN S R WJ S Z IQ L G BX E N UR V B FX P H ZD J N TO C K YW U ? QE M A IIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 136EE9A0706-0CA4-40D1-B606-7292843C01F7
- 138. TEST15137PUZZLE7Which number replaces the question mark in the third star?PUZZLE8PUZZLE9Which letter replaces the question markand completes the sequence?Which number replaces the question mark onthe head of the second figure?16260731031394242?76PUZZLE10Which number goes on top of the third triangle?90 2 4 5 8 12 ?56 35 22 48 30 19 27 17 113 4 6 9 14 77 1 3 3 5 7J NE P EA WB FW H WS OS WN Y NJ ?Z DU F UQ M11675 38?42 5IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 137EE9A0706-0CA4-40D1-B606-7292843C01F7
- 139. TEST15138PUZZLE11PUZZLE12Which number replaces the question markand completes the puzzle?Which number completes this puzzle?PUZZLE13Which number replaces the question mark and completes the puzzle?1 2 14 4 19 6 16 9 15 2 ?1715 131569 4023 6?21 3834 2111 126 13 49 4 5 519 1 317 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 138EE9A0706-0CA4-40D1-B606-7292843C01F7
- 140. TEST15139PUZZLE14PUZZLE15Which letter replaces the question markand completes the grid?Which number replaces the question mark inthe middle box?PUZZLE16Which playing card replaces the question mark and completes the puzzle?DN YK X LA Q H ?4 1212 ?3 12 79 56 15 20 30 16 6?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 139EE9A0706-0CA4-40D1-B606-7292843C01F7
- 141. TEST15140PUZZLE17PUZZLE18Which letter replaces the question mark andcompletes the sequence?Which letter replaces the question mark in this grid?PUZZLE19PUZZLE20What should the missing hand point to on thebottom clock?Which letter replaces the question mark andcompletes the grid?V CO DJ QF XH HA Z? ES L53 4982 3736 1514 98JXL?N T JS Y OR X DW C IL B HQ G ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 140EE9A0706-0CA4-40D1-B606-7292843C01F7
- 142. TEST15141Marc, Jane and Sue were thethree finalists in this year’sMastercook competition. The2nd prize was awarded to thewoman who did the Italian dish. The3rd prize was the kitchen clock, butthis didn’t go to the person whoprepared a grand Chinese meal. Suewon the hamper for her lovely meal,but thought that the Italian dish wouldprobably beat her to the 1st prize.From this information, can you workout which contestant won whichprize, and what style of cooking theychose?PUZZLE21PUZZLE22PUZZLE23Which letter replaces the question mark at thebottom of the grid?Which letter replaces the question mark andcompletes the grid?FACQ LNV?HB EKQG?MCPosition Style PrizeContestant1st2nd3rdPots + pansHamperClockFrenchItalianChineseMarcJaneSueFrenchItalianChinesePots+pansHamperClockIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 141EE9A0706-0CA4-40D1-B606-7292843C01F7
- 143. TEST15142PUZZLE24PUZZLE25PUZZLE26Which letter replaces the question mark andcompletes the sequence?J P WRM U ?E KZ FMaria has a large climbingvine outside her house, whichdoubles in height every year.Since planting the vine sixyears ago, it has grown to26 feet. How many yearsdid it take to grow to halfthis height?Which picture cube does this shape make?ABCDIQ Mindbenders pp 135-208 5/9/05 4:30 pm Page 142EE9A0706-0CA4-40D1-B606-7292843C01F7
- 144. TEST15143PUZZLE27Which letter replaces the question mark and completes the sequence?BB D GFMK P VSGC K TOJD ? ATPUZZLE28Which number replaces the question mark in the last circle?2 96173L PM J10 51?03PUZZLE29Which letter replaces the question mark and completes the pattern?XJ Q ONEV T AUCY F DS?K I PZPUZZLE30Which domino replaces the question mark to complete the puzzle?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 143EE9A0706-0CA4-40D1-B606-7292843C01F7
- 145. TEST16144PUZZLE1PUZZLE2What is missing from this wheel? Which letter completes the puzzle?PUZZLE3PUZZLE4Which symbol is needed to make the scalesbalance?Which number replaces the question markand completes the puzzle?? 1 92 62 11 ?P GQME JOGCOGB U B ?P?NSNJGWFIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 144EE9A0706-0CA4-40D1-B606-7292843C01F7
- 146. TEST16145PUZZLE5What is missing from the last circle?PUZZLE6Which letter replaces the question mark and completes the puzzle?A G C J B H E IC B D C G A B DF B A A C D G ED E G D C B A CB D E C F G A DD A B B C C J ?1 321052 140742 701411 709314 63815 83?642IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 145EE9A0706-0CA4-40D1-B606-7292843C01F7
- 147. TEST16146PUZZLE7PUZZLE8What is missing from the middle circle? Which number completes the puzzle?PUZZLE9PUZZLE10Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the puzzle?5 12 26 54 ?2 6156134 5?56 143 13 12 71 ?3D I N?X C HIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 146EE9A0706-0CA4-40D1-B606-7292843C01F7
- 148. TEST16147PUZZLE11PUZZLE13What is missing from the last circle?Which number completes the puzzle?PUZZLE12PUZZLE14Which number replaces the question mark andcompletes the puzzle?Which letter replaces the question mark and completes the puzzle?6 1 510934 3 ?DINSXAGMSYKR?FM1 42 3 99 7?5 267 2108 1146 7210 4?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 147EE9A0706-0CA4-40D1-B606-7292843C01F7
- 149. TEST16148PUZZLE15PUZZLE16What is missing from the last circle? Which number completes the puzzle?PUZZLE17Which number replaces the question mark and completes the puzzle?48 30 2024 15 1072 45 ?25 28 30 35 398 75116103 1726415 13121611?C D KG I FJ M ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 148EE9A0706-0CA4-40D1-B606-7292843C01F7
- 150. TEST16149PUZZLE18PUZZLE19What is missing from the last oval? Which letter completes the puzzle?PUZZLE20Which number replaces the question markand completes the puzzle?11 522 1032 1244 ?3 816 6D GPSA JMXY JVB EPS ?211621041451861?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 149EE9A0706-0CA4-40D1-B606-7292843C01F7
- 151. TEST16150PUZZLE21Which of the bottom row of numbers replaces the question mark?Which number completes the puzzle?PUZZLE23PUZZLE22Which letter replaces the question mark and completes the puzzle?5312614 54 24561?812E MIWSOKGCQ U ?5 10 72 1 10 6 33 4 5 ? 9 2 17 2 15 4 46 7 310 12 14 16 18 20 22 24IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 150EE9A0706-0CA4-40D1-B606-7292843C01F7
- 152. TEST16151PUZZLE24PUZZLE25What is missing from the last star?Which letter completes the puzzle?PUZZLE26PUZZLE27Which letter replaces the question mark and completes the puzzle?Which number replaces the question mark and completes the puzzle?2 611 10 153 4 ?6N QJ?NQCRJD G CG C OD K V K D AB P T ?PVBDJVCJHORHBJ ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 151EE9A0706-0CA4-40D1-B606-7292843C01F7
- 153. TEST16152PUZZLE28Which segment completes the puzzle?PUZZLE29Which number replaces the question mark and completes the puzzle?Which letter replaces the question mark and completes the puzzle?6 4351 7153 1422 3102 208 ?14 532A B C D E E J O T YF G H I J D I N S XK L M N O C H M R WP Q R S G L Q VU V W K P UU P K W V UV Q L G S R Q PW R M H C O N M L KX S N I D J I H G FY T O J E E D C B AA BB Y T XX Y A BT YT BX Y A FF A Y XB TB TF A Y XX Y A FT B T BX A Y FF Y A XB TT BF A Y XX Y A FB TPUZZLE30?A H F K K N PIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 152EE9A0706-0CA4-40D1-B606-7292843C01F7
- 154. TEST17153PUZZLE1Which grid continues the sequence?PUZZLE2Which of the bottom watches fills in the missing gap?A B C D E1:20 3:12 2:34 4:534:31 6:45 5:43 6:50 6:32A B C D E F?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 153EE9A0706-0CA4-40D1-B606-7292843C01F7
- 155. TEST17154PUZZLE3Which of the lower letters replaces the question mark to complete the puzzle?PUZZLE4Which number replaces the question mark and completes the puzzle?13?97 11715312176 113 L 97 1 T 6 62 2 6 X 4 9 19 3 Y 5 88 ? 7L M N O P Q R SIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 154EE9A0706-0CA4-40D1-B606-7292843C01F7
- 156. TEST17155PUZZLE5PUZZLE6What is missing from the last segment? Which number completes the puzzle?PUZZLE7PUZZLE8Which letter replaces the question mark andcompletes the puzzle?Which letter replaces the question mark andcompletes the puzzle?BGCFDEEDFCG?HMWGRB?L Q71181522?748511512264?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 155EE9A0706-0CA4-40D1-B606-7292843C01F7
- 157. TEST17156PUZZLE9PUZZLE10What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE11PUZZLE12Which letter replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?FHKMP?1 3 4 184022 7 5 5643 ?DHXPICUNIATNF?SK6 12 152 45 10 ?7IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 156EE9A0706-0CA4-40D1-B606-7292843C01F7
- 158. TEST17157PUZZLE13PUZZLE14What is missing from the last octogan? Which letter completes the puzzle?PUZZLE15PUZZLE16Which number replaces the question markand completes the puzzle?Where should the minute hand point to onthe bottom clock?5 6 73 122 12 ?9?MK?JJG3 5 17 9 513 15 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 157EE9A0706-0CA4-40D1-B606-7292843C01F7
- 159. TEST17158PUZZLE17PUZZLE18What is missing from the last hexagon? Which number completes the puzzle?PUZZLE19PUZZLE20Which letter replaces the question markand completes the puzzle?Which number replaces the question markand completes the chain?A KSPND IFKLPG QUZ?123?604020141382726121822?12 8 14 18 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 158EE9A0706-0CA4-40D1-B606-7292843C01F7
- 160. TEST17159PUZZLE21PUZZLE22What is missing from the last circle? Which letter completes the puzzle?PUZZLE23PUZZLE24Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?3 946127 1625310 824654 1010?41?166177110642M FI OG A?3 7 224 14 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 159EE9A0706-0CA4-40D1-B606-7292843C01F7
- 161. TEST17160PUZZLE25What is missing from the last circle?PUZZLE26Which letter replaces the question mark and completes the puzzle?KCIVMJSHLTO?4 0 9 64 9 1 35 8 3 26 8 5 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 160EE9A0706-0CA4-40D1-B606-7292843C01F7
- 162. TEST17161PUZZLE27PUZZLE28What is missing from the last square? Which number completes the puzzle?PUZZLE29PUZZLE30Which two numbers are the odd ones out inthese ovals?Which number replaces the question markand completes the puzzle?BA35725656327296188428867291?551 7 0 5 2 12 5 1 0 2 43 2 1 1 3 03 7 1 3 3 34 7 1 7 3 95 8 2 5 5 ?A M QC U EG E ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 161EE9A0706-0CA4-40D1-B606-7292843C01F7
- 163. TEST18162PUZZLE1PUZZLE2Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the grid?PUZZLE3PUZZLE4Which number replaces the question mark andcompletes the wheel?Which number replaces the question mark andcompletes the puzzle?4762153591896?1252 6137423?229243 25 519131172293 GNQ 83 RBS 94 TUA 22 FPC 53 OLH ?3 2 13 7 16 1 12 5 05 7 24 6 60 3 14 2 94 5 18 8 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 162EE9A0706-0CA4-40D1-B606-7292843C01F7
- 164. TEST18163PUZZLE5Which letter replaces the question mark and completes the chain?PUZZLE6Which number replaces the question mark in the bottom grid?FNV HL?RX0 6 4 21 7 5 62 9 7 12 4 6 03 5 7 44 7 8 91 9 5 53 0 6 94 2 8 40 8 4 41 9 5 83 1 7 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 163EE9A0706-0CA4-40D1-B606-7292843C01F7
- 165. TEST18164PUZZLE7What is missing from the right hand star?PUZZLE8PUZZLE9Which letter replaces the question mark andcompletes the puzzle?Which number replaces the question mark in thesecond figure?451269378815366?92714PUZZLE10Which letter replaces the question mark in the third triangle?F K P U Z E JC X S N I D Y T OH M R W B G L Q V A ?D HK M XG PM JR B PE FN UO ? WA BL CS G LG I3537 45?06 8IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 164EE9A0706-0CA4-40D1-B606-7292843C01F7
- 166. TEST18165PUZZLE11PUZZLE12Which letter replaces the question mark andcompletes the sequence?Which letter replaces the question markin this formation?PUZZLE13Which number replaces the question mark and completes the puzzle?9 L 63 S 511 G 94 J 133 ? 81827 5 14439 5 2236 4 5?912 6 9463 1 72Y ES U KM O A QG I WA ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 165EE9A0706-0CA4-40D1-B606-7292843C01F7
- 167. TEST18166PUZZLE14PUZZLE15Which number replaces the question markand completes the puzzle?Which letter replaces the question markand completes the last grid?PUZZLE16Which playing card replaces the question mark and completes the puzzle?94 31 8 12 1 7 ?I VF HA JL RS DG AZ V? EQ CV M?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 166EE9A0706-0CA4-40D1-B606-7292843C01F7
- 168. TEST18167PUZZLE17PUZZLE18Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the pattern?PUZZLE19PUZZLE20Where should the minute hand point toon the bottom clock?Which letter replaces the question markand completes the puzzle?4 26 117 82 310 97 134 75 ??HI ABQL EHSW OCTK GDNPX?3 23 6 741 287 8 2 134 19 14 345 4717 5 11 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 167EE9A0706-0CA4-40D1-B606-7292843C01F7
- 169. TEST18168Anne, Beryl and Frank are keenreaders, and like nothing morethan settling down with theirfavourite books. Beryl likes thrillers thebest, but never reads anything which islonger than 300 pages. Anne’s book,which is only 120 pages long, featuresMax Morris as its hero. Frank’s book wasa good read, but didn’t feature Lucy Carr.The romantic novel did not feature PeteShear. From this information, can youdeduce which reader likes which kind ofbook, who was the central hero of thebook they chose, and how many pageslong the books were?PUZZLE21PUZZLE22PUZZLE23Which letter replaces the question mark andcompletes the sequence?Which number replaces the question mark andcompletes the grid?JARI SBT?4 8?52335746 1 48 3 2BooktypeHeroBooklengthReaderThrillerBiographyRomance120 pgs250 pgs400 pgsPete ShearMax MorrisLucy CarrAnneBerylFrankPeteShearMaxMorrisLucyCarr120pgs250pgs400pgsIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 168EE9A0706-0CA4-40D1-B606-7292843C01F7
- 170. TEST18169PUZZLE24PUZZLE25PUZZLE26Which letter replaces the blank andcompletes the sequence?C H ETF E ?N DL JPatrick, Mark and Peter hadspent the week decoratingtheir elderly neighbour’s house,for which they had earned£500 between them. When itcame to dividing up the money,Patrick claimed he had worked3 times harder than Mark, andPeter had worked twice ashard as Patrick. If the moneywas to be divided fairly, howmuch did each worker receive?Which picture cube does this shape make?ABCDIQ Mindbenders pp 135-208 6/9/05 2:29 pm Page 169EE9A0706-0CA4-40D1-B606-7292843C01F7
- 171. TEST18170PUZZLE27Which number replaces the question mark and completes the puzzle?13 12 2416 18 2553 17 2175 ? 36PUZZLE28Which number replaces the question mark and completes the puzzle?3 618922 92 ?4 43271PUZZLE29Which number replaces the question mark and completes the puzzle?123 6 21854 5 120206 4 524?3 7 821PUZZLE30What should go on the top of the last domino??IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 170EE9A0706-0CA4-40D1-B606-7292843C01F7
- 172. TEST19171PUZZLE1What is missing in the last grid?PUZZLE2What time should the missing watch show?A B C D E2:25 4:34 1:51 6:163:36 2:19 7:56 8:09 3:20A B C D E F?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 171EE9A0706-0CA4-40D1-B606-7292843C01F7
- 173. TEST19172PUZZLE3Which of the letters shown below replace the question mark to complete the puzzle?PUZZLE4Which letter replaces the question mark and completes the puzzle?K?LB AVPFGC I PX D K S YF N T A I O VD J Q Y EL T ?B F I M P S W ZIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 172EE9A0706-0CA4-40D1-B606-7292843C01F7
- 174. TEST19173PUZZLE5PUZZLE6What is missing from the last segment? Which number replaces the question mark andcompletes the puzzle?PUZZLE7PUZZLE8Which number replaces the question markand completes the puzzle?Which letter replaces the question markand completes the puzzle?4469962556?GJNS?WNY F7634682613?54654?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 173EE9A0706-0CA4-40D1-B606-7292843C01F7
- 175. TEST19174PUZZLE9PUZZLE10What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE11PUZZLE12Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?812172330?3 1 2 476273 5 2 8244 ?THFR?PBNZLXJVHTN7 11 26 145 19 ?4IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 174EE9A0706-0CA4-40D1-B606-7292843C01F7
- 176. TEST19175PUZZLE13PUZZLE14What is missing from the last octogan? Which letter completes the puzzle?PUZZLE15PUZZLE16Which number replaces the question markand completes the puzzle?Where should the missing hand point to?4 4 57 156 2 ?6??JFZRH17 8 63 8 121 5 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 175EE9A0706-0CA4-40D1-B606-7292843C01F7
- 177. TEST19176PUZZLE17PUZZLE18What is missing from the last hexagon? Which letter completes the puzzle?PUZZLE19PUZZLE20Which letter replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the chain?F NPZSA BJOJUC CMA?87?2621343822141070AIED?8 16 11 22 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 176EE9A0706-0CA4-40D1-B606-7292843C01F7
- 178. TEST19177PUZZLE21PUZZLE22What is missing from the last circle? Which letter completes the puzzle?PUZZLE23PUZZLE24Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?4 88615105 967874 126351 84?52?677443128A AD BG ?GD J MSV B ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 177EE9A0706-0CA4-40D1-B606-7292843C01F7
- 179. TEST19178PUZZLE25What is missing from the last circle?PUZZLE26Which letter replaces the question mark and completes the puzzle?LDFPJKYEMNT?A B C DF I L OK P U ZP W D ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 178EE9A0706-0CA4-40D1-B606-7292843C01F7
- 180. TEST19179PUZZLE27PUZZLE28What is missing from the last square? Which letter completes the puzzle?PUZZLE29PUZZLE30Which numbers are the odd ones out in thesetwo ovals?Which letter replaces the question markand completes the puzzle?BA232124610319342144171621424511FGJLKOIN?F M J PH HA T B VT X Q VJ KF B F ?7 2 63 9 35 4 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 179EE9A0706-0CA4-40D1-B606-7292843C01F7
- 181. TEST20180PUZZLE1PUZZLE2Which letter is missing from this puzzle? Which letter completes the puzzle?PUZZLE3PUZZLE4Which number replaces the question mark andcompletes the puzzle?Which number replaces the question mark andcompletes the puzzle?7179678068?6 36 15 29 ?OY TJX D?PMQ?IHMERIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 180EE9A0706-0CA4-40D1-B606-7292843C01F7
- 182. TEST20181PUZZLE5What is missing from the last circle?PUZZLE6Which letter replaces the question mark and completes the puzzle?H R B LM W G QJ V H TP B N ZG U I WN B P ?6 213945 1642211 3771169 1424912 1466143 132?253IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 181EE9A0706-0CA4-40D1-B606-7292843C01F7
- 183. TEST20182PUZZLE7PUZZLE8What is missing from the middle circle? Which letter completes the puzzle?PUZZLE9PUZZLE10Which number replaces the question markand completes the puzzle?Which number replaces the question markand completes the puzzle?5 6 9 16 ?5675125? 7W FD M VN EG ?O10 9 15?7 6 2IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 182EE9A0706-0CA4-40D1-B606-7292843C01F7
- 184. TEST20183PUZZLE11PUZZLE13Which number is missing from the last circle?Which letter completes the puzzle?PUZZLE12PUZZLE14Which number replaces the question markand completes the puzzle?Which number replaces the question mark and completes the puzzle?5 2 76243 2 ?51411316148996181271236?F QJ I XU M?A F6L X4E T6V F5M I?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 183EE9A0706-0CA4-40D1-B606-7292843C01F7
- 185. TEST20184PUZZLE15PUZZLE16What is missing from the last circle? Which letter completes the puzzle?PUZZLE17Which number replaces the question mark and completes the puzzle?6 2 171 4 113 7 ?9 11 13 17 21X FPTDGB JTXHKS AKYB?2 6 83 7 36 4 ?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 184EE9A0706-0CA4-40D1-B606-7292843C01F7
- 186. TEST20185PUZZLE18PUZZLE19Which letters are missing from the last oval? Which letter completes the puzzle?PUZZLE20Which numbers replace the question markand complete the puzzle?14 1030 2146 32? ?8 1119 16Z HNSE KPWW DRW BIQ ?AJMHOTMVYTAFYHK?IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 185EE9A0706-0CA4-40D1-B606-7292843C01F7
- 187. TEST20186PUZZLE21Which of the lower letters replace the question mark to complete this puzzle?Which letter completes the puzzle?PUZZLE23PUZZLE22Which number replaces the question mark and completes the puzzle?ILUGS GF OIXA?IRZ7 8162465390 13 ?AJ M BG V Y N QP S H K Z C RE T W L OF I X?A C G J N Q U XIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 186EE9A0706-0CA4-40D1-B606-7292843C01F7
- 188. TEST20187PUZZLE24PUZZLE25What is missing from the last star?Which letter completes the puzzle?PUZZLE26PUZZLE27Which number replaces the question mark and completes the puzzle?Which letter replaces the question mark and completes the puzzle?V G35 154 60P N ?G7 51?2482619 33 23I E YF P X J T BA U M ?LPUAEKNDSGO?TC CIQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 187EE9A0706-0CA4-40D1-B606-7292843C01F7
- 189. TEST20188PUZZLE28Which segment fills the missing gap to complete the puzzle?PUZZLE29Which number replaces the question mark and completes the puzzle?Which number replaces the question mark and completes the puzzle?4 14812 122198 710106 392 471 ?14 532PUZZLE30?4 7 15 31 35 19 11IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 188EE9A0706-0CA4-40D1-B606-7292843C01F7
- 190. SOLUTIONS1891 - DThe number of black dots in each gridincreases by 1 each time, starting withthe top left grid and working to the right,top row then bottom row.2 - AStarting with the watch on the left, add42 minutes to the time shown to givethe time on the next watch to the right.3 - 6Looking at the diagram in rows, thecentral circle equals half the sum of thenumbers in the other circles to the leftand right of the centre.4 - 9The number at the centre of eachtriangle equals the sum of the lower twonumbers minus the top number.5 - EStarting with Y and moving clockwise,letters move backwards through thealphabet in steps of 2 letters, then 3then 4 etc.6 - 19As you move diagonally down, numbersfollow the sequence of Prime Numbers.7 - VAs you move down the diagram, lettersmove through the alphabet in steps of 4.8 - 16Starting bottom left and moving clock-wise around the triangle, numbers followthe sequence of Square Numbers.9 - MWorking in rows, add together thenumerical values of the left and righthand letters to give the numerical valueof the central letter.10 - OIn each segment of the diagram are apair of letters, one of which is the samedistance from the start of the alphabetas the other is from the end.11 - 39Working from top to bottom, doubleeach number and subtract 1, then 2,then 3 etc.12 - 4Working in columns, the sum of thenumbers in each column is always 14.13 - VStarting at the top left, and movingclockwise in a spiral towards the centre,letters move through the alphabet insteps of 5.14 - KThe numerical values of the letters inopposite segments of the circle alwaysadd up to 17.15 - 6The numbers in each row and columnadd up to 15.16 - Hand pointing to 5Starting with the top clock and movinganti-clockwise around the others, thehour hand moves back 1 hour, then 2,then 3 etc, while the minute hand movesforward 10 minutes each time.17 - 40Moving from left to right, numbersincrease by 2,3,4 and 5.18 - KAs you move down, the numerical valueof the letters follows the sequence ofPrime Numbers.19 - 9In each square of the diagram, the sumof the numbers is always 22.20 - 16Moving clockwise, around alternatesegments in the chain, one sequencedecreases by 1, 2, 3 and 4 each time,while the other increases by 2, 3, 4and 5.21 - 7Starting with the numbers in the top row,and following straight lines through thecentre of the diagram, subtract themiddle number from the top number togive the corresponding value on thebottom row.22 - AWriting each letter as its numerical valueand working in rows, add the top 2 digitnumber to the bottom 2 digit number togive the 3 digit result in the centre.23 - 13In each circle, starting at the top leftsegment, numbers increase, as youmove clockwise, by 2 for the upper leftcircle, 3 for the upper right, 4 for thelower right and 5 for the lower left.24 - GThe numerical values of the letters ineach row add up to 26 each time.25 - WStarting at the top left and moving down,then right one column and up etc in asnakes and ladders pattern, lettersmove through the alphabet 4 letters at atime.26 - 3In each group of 3 numbers, the lowernumber equals the average of the toptwo numbers.27 - 1Reading each row as a 3 digit number,the rows follow the sequence of squarenumbers, from 17 to 19.28 - 8,1Reading each row as 3 separate 2-digitnumbers, the central number equals theaverage of the left and right handnumbers.29 - A:58 B:86In the first oval, all numbers aremultiples of 8, and in the second, theyare all multiples of 7.30 - BIn each row, add the numerical value ofthe left and right hand letters togetherand write the letter with the reversealphabetical value in the centre.TEST 1IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 189EE9A0706-0CA4-40D1-B606-7292843C01F7
- 191. SOLUTIONS1901 - TStarting at F and moving anti-clockwise,letters move through the alphabet insteps of 2, 3, 4, 5 etc.2 - QAdding the three numbers in eachsquare together gives the numericalvalue of the letter at the centre of eachsquare.3 - HammerThe Hammer = 1, the File = 3 and theAxe = 54 - 1Reading each pair of numbers as a2 digit number, they follow the sequenceof square numbers from 6 to 9.5 - 7Taking the top row of circles, numbers inthe central circle equal the sum of thenumbers in corresponding segments ofthe left and right hand circles. In thebottom row, numbers in the centralcircle equal the difference betweennumbers in corresponding segments ofthe left and right hand circles.6 - PStarting at the top left circle, and movingright, then down one row and movingleft, in a snakes and ladders pattern,letters move through the alphabet insteps of 2, 3 and 4, repeating thispattern all the way down.7 - 253Starting at the top left, and movingthrough the diagram in a Z shape,double each number and add 3 to givethe next number along.8 - UMultiply the numerical values of theletters in each pair to give the 3 digitresult in the spaces above.9 - 51Moving to the right, double each numberand subtract 3 to give the next numberalong.10 - 2Starting with the 10 at the top, one setof numbers increases by 3 each time,written in alternate boxes as you movedown the diagram, and the other set ofnumbers decreases by 2, written in theboxes remaining.11 - IWorking from left to right, letters incorresponding segments of the circlesmove through the alphabet in steps of 2,3 and 4, with their relative positionsmoving one place clockwise at eachstep.12 - 6On each row, add the values of the lefthand and central boxes to give thevalue in the right hand box.13 - VStarting at the top left, and moving anti-clockwise around the figure, lettersadvance through the alphabet 5 lettersat a time.14 - 10In each star diagram, the number in thecentre equals the sum of the top threenumbers, subtracting the sum of thebottom two numbers.15 - 23Starting top left, and moving down incolumns from left to right, the numbersfollow the sequence of Prime Numbersfrom 2 to 23.16 - 10Numbers in the segments of the lefthand circle equal the difference betweennumbers in corresponding segments ofthe two right hand circles.17 - EUsing the numerical value of each letter,in each column, the value of the centralletter equals the sum of the values ofthe top and bottom letters.18 - 1,143Starting with the top 3 digit number, thefirst digit increases by 2 as youdescend, from 1 to 11. The middle digitdecreases by 1 each time, and the righthand digit alternates between 5 and 3.19 - 6Numbers in the lower left circle equalthe sum of the numbers incorresponding segments of the top twocircles, and numbers in the lower rightcircle equal the difference of thenumbers in corresponding segments ofthe top two circles.20 - NThe alphabetical value of the letters inthe left hand column follows through thesequence of Prime Numbers, with theletters in the right hand columnrepresenting the corresponding reversealphabetical values.21 - IStarting on the left, and movingdownwards in columns from left to right,letters are written in alphabeticalsequence, in steps of 4 letters at a time.22 - 4In each triangle, the central numberequals the sum of the three outernumbers divided by two.23 - BIn each diagram, letters are written insequence, starting in the top left circleand moving clockwise around the other3 outer circles, in steps given by thenumerical value of the central lettereach time.24 - 5In each star, the central number equalsthe difference between the sum of theeven numbers and the sum of the oddnumbers from the points of the star.25 - UStarting on the left, and moving alongthe line to the right, letters follow thealphabetic sequence, in steps of 1,2,3and then 4, before repeating thesequence.26 - 5In each triangle, the number at the apexof the triangle equals the average of thetwo numbers at the bottom.27 - 22In each circle, the lower number equalsthe product of the top two numbers,subtracting 3 for the left hand circle, 4for the middle, and 5 for the right handcircle.28 - 2Splitting the large square into quarters,each quarter features the same patternof letters.29 - YStarting in the top left circle, andfollowing a W pattern through theothers, letters in correspondingsegments of the circles follow thealphabetical sequence in steps of 4letters.30 - WWorking from left to right, letters moveforwards 7 places, then back 2. Repeatthis sequence until the end.TEST 2IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 190EE9A0706-0CA4-40D1-B606-7292843C01F7
- 192. SOLUTIONS1911 - 4In each diamond, add the left and righthand numbers together, and subtractthis sum from the top number to givethe value at the bottom.2 - 7In each row of the diagram, the centralvalue equals the sum of the differencesbetween the left hand pair of numbersand the right hand pair of numbers.3 - 7The inner digit in each segment equalsthe sum of the two numbers in the outerpart of the opposite segment.4 - KIn each row, the product of the left andright hand numbers equals the sum ofthe numerical values of the three letters.5 - HStart at the top and move down, takingsingle letters or pairs of letters thatappear on the same horizontal line. Thesum of the numerical values of theletters in each line increases by 2 asyou go down, from 18 to 26.6 - 0In each row of each grid, multiply theleft and right hand numbers together togive a digit value, and write this value inthe two centre boxes.7 - FIn each star shape, the sum of thenumerical values of the letters boundedby one triangle is equal to that of theother triangle.8 - 5In each H shape, the central number isequal to the difference between the sumof the 3 left hand numbers and the sumof the 3 right hand numbers.9 - EIn each stick-man diagram, start on theleft foot and move around the otherlimbs in a clockwise direction. Theletters advance through the alphabet insteps given by the numerical value ofthe letter on the head of the diagram.10 - BAdd together the numerical values ofthe letters in corresponding positions onthe left and right hand triangles, and putthe letter with this value in correspond-ing segments of the centre triangle.11 - 7Reading each row of the diagram as aseries of 3 digit numbers, the centre 3digit number equals the sum of the top 2numbers, and the sum of the lower 2numbers.12 - AStart on the centre left of the diagram,and move in a clockwise spiral towardsthe centre. Letters advance through thealphabet in steps of 2, 3, 4, etc.13 - 22Add together values in correspondingpositions of the top two crosses, and putthe results in the lower left cross.Calculate the difference between valuesin corresponding positions of the top twocrosses, and put the results in the lowerright cross. Finally, add together thevalues in corresponding positions of thelower two crosses to give the values inthe central cross.14 - TWorking through the diagram incolumns, left to right, The sum of thenumerical values of the letters in eachcolumn follows the sequence 17, 18, 19and 20.15 - 2Start with the top left hand box, andmove around the others in a clockwisespiral towards the centre. Read eachbox as a pair of 2 digit numbers, oneabove the other. The sum of the 2 digitnumbers in each box follows thesequence 55, 60, 65, 70 and 75.16 - 9 of ClubsTaking red cards as positive values andblack cards as negative values, in eachcolumn of the diagram, the lower cardvalue equals the sum of the two uppercard values. The suits are usedalternately in each column.17 - ZRead the diagram as a whole grid of4x4 squares. Starting on the bottom leftsquare, move clockwise around the out-side of the whole square, with letterswritten in sequence, skipping 4 letters ata time. Repeat this instruction for thesmall inner square.18 - XStart at the top left and move inalternate boxes from left to right, thendown one row and to the left, in asnakes and ladders pattern. Lettersadvance through the alphabet in stepsof 2, 3, 4...8, before repeating thispattern.19 - To the 4Start with the top left clockface, andmove around the others in a clockwisedirection. The value pointed to by thehour hand equals the value pointed toby the minute hand, subtracting 4 for thefirst clockface, 5 for the next, then 6 etc.20 - HIn each row, the numerical value of thecentral letter equals the differencebetween the sum of the numericalvalues of the two left hand letters andthe sum of the numerical values of thetwo right hand letters.21 -22 - CStart on the far left of the diagram andmove around it in a clockwise direction.Letters advance through the alphabet insteps of 8 then 9, repeating this patternall the way around.23 - 12The value at each corner of the diagramequals the difference between the sumsof the numerical values of the letters inthe boxes adjacent to the corner.24 - C25 - EWorking through the diagram in rows,from top to bottom, the sum of thenumerical values of the letters in eachrow follows the sequence 15, 20, 25, 30,35.26 - Joe has 7 marbles, John has 5.27 - 6In each group of circles, the centrenumber equals the average of the foursurrounding numbers.28 - 11Split the left and right hand circles inhalf, vertically. The sum of the numbersin the left hand half of the left circleappears in the top left hand segment ofthe middle circle, and the sum of thenumbers in the right hand half of the lefthand circle appears in the bottom lefthand segment of the middle circle.Repeat this pattern for the right handcircle.29 - 7In each diagram, the sum of the upperleft and upper middle numbers is writtenin the centre box, and the sum of theupper right and upper middle numbersis written in the lower central box.30 - 5Taking pairs of dominoes, one from theextreme left of the row and one from theextreme right of the row, both show thesame point total. Repeat this sequence,working towards the centre.Property Road ValueOwnerMavis Flat Shangri-LaWay£75,000Harold Bungalow MeadowRise£100,000Bette Terrace £40,000HoneysuckleRowTEST 3IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 191EE9A0706-0CA4-40D1-B606-7292843C01F7
- 193. SOLUTIONS1921 - 6The number at the centre of eachsegment equals the sum of the numberson the outside of the opposite segment.2 - ILetters are arranged in each square inalphabetical order, skipping 5 letters at atime. The letter bounded by the centralsquare carries on this sequence, butusing the reverse alphabetical value.3 - Alarm clockThe Alarm clock = 7, the Adaptor = 5and the Bulb = 24 - 23Looking at the diagram as two columns,numbers in the left hand columnincrease by 5, 6, 7 etc, and numbers inthe right hand column increase by 6, 7,8 etc.5 - 5The numbers in the lower circles equalthe numbers in corresponding segmentsin the upper circles multiplied by two,then subtract 3 for the left hand circle, 4for the middle and 5 for the right handcircle.6 - OIn each row, letters follow the alphabeticsequence, in steps of 4 letters each timefor the first row, 5 letters for the second,then 6, 7 etc.7 - 2The diagram represents a multiplicationsum : 128 x 2 = 2568 - HIn each row of the diagram,the numerical values of the letters addup to 26.9 - 96Moving from left to right, numbers followthe sequence of square numbers, from6 to 10, subtracting 4 each time.10 - 9Reading each pair of numbers in a rowas a 2 digit number, values increase by6 each time.11 - XIn each circle, start with the top leftsegment, and move clockwise aroundthe other segments. The value of eachletter increases by 5 for the first circle, 6for the next, then 7, 8 and 9.12 - 3Reading each column as a 3 digitnumber, moving from left to right, thecolumns follow the sequence of cubenumbers of 5, 6 and 7.13 - AConverting each letter to its numericalvalue, the diagram represents asubtraction sum: 247 - 54 = 193.14 - 13In each star, the central value equalsthe sum of the upper and lower digits oneach star, subtracting the sum of the leftand right hand digits.15 - TStarting on the top left, and moving inan anti-clockwise spiral towards thecentre, letters advance through thealphabet by 3 letters at a time.16 - 6In each circle, double the numbers onthe left hand side and put the result inthe opposite segment on the right handside.17 - WLooking at the diagram in columns,letters in the first column are written with2 straight lines, in the second columnthey contain 3 straight lines, and lettersin the right hand column are written with4 straight lines.18 - 4Adding up the digits in each oval shape,as you move down the column this totalincreases by 2 each time, from 12 to 22.19 - 1In each circle, the number in the lowerleft segment equals the sum of thenumbers in the top two segments, andthe number in the lower right circleequals the difference between thenumbers in the top two segments.20 - CIf you convert each letter to itsnumerical value, and read pairs ofnumbers as 2 digit values, the valuesfollow the sequence of multiples of 7.21 - 2Working in rows, the sum of numbers ineach row follows the sequence 5, 10,15, 20, 15, 10, 5.22 - 9Working from left to right, the sum of thetwo smaller numbers on each triangleequals the third number.23 - GFollowing lines of circles across all 3diagrams, letters in the top line followthe alphabetic sequence, in steps of 4letters at a time. Letters in the centralline advance 5 letters, and in the bottomline, 6 letters.24 - 6The number in the centre of each starequals the average of the surrounding 5numbers.25 - FMoving from left to right, letters movethough the alphabet in sequence,skipping 12 letters, then 11, 10, 9, 8 etc.26 - 43In each triangle, multiply the lower twonumbers together and add the uppernumber to give the value at the centre.27 - DThe numerical values of the letters ineach circle add up to 20.28 - 4Each row of the grid contains each ofthe 10 digits, 0 to 9, written in a randomorder.29 - 6Numbers in the segments of the lowerleft circle equal the sum of the numbersin the upper left and central circles.Numbers in the segments of the lowerright circle equal the sum of thenumbers in corresponding segments ofthe upper right and central circles.30 - STaking the numerical value of eachletter, they follow the sequence of PrimeNumbers.TEST 4IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 192EE9A0706-0CA4-40D1-B606-7292843C01F7
- 194. SOLUTIONS1931 - AWorking from left to right, top row thenbottom row, the first grid contains asequence of 2 black dots and asequence of 3. The next grid containsone of 3 and one of 4. Continue, adding1 to each sequence every time.2 - EThe sum of the separate digits on eachwatch increases by 2 as you move tothe right.3 - NStarting with the A on the left hand side,move around the shape in a clockwisespiral towards the centre. Lettersadvance through the alphabet in stepsof 4, 5 then 6, repeating this pattern allthe way around.4 - 10The numbers on the points of the lowertriangle equal the sum of the numberson corresponding points of the uppertwo triangles.5 - GStarting with A and C, as you moveclockwise, the numerical value of thenext letter equals the sum of thepreceding two letters.6 - OAs you move down, letters appear inalphabetical order, skipping those lettersonly written with straight lines.7 - 37As you move down, subtract 3 from theprevious number, then 5, 7, 9 and 11.8 - 11Taking any side of the triangle, the sumof the two corner digits is written in oneof the circles on that side, and thedifference is written in the other circle.9 - WStarting at the top left, and moving tothe right, then down one row and to theleft etc. in a snakes and ladders pattern,letters advance through the alphabet by5 steps, then back 2, repeating thispattern for the rest of the diagram.10 - STaking pairs of letters in the inner andouter segments of each eighth of thediagram, the numerical values alwaysadd up to 20.11 - 90As you move down, the numbersrepresent multiples of 12, subtracting 1,for the first step, adding 2 for thesecond, subtracting 3 for the third,adding 4 for the next etc. etc.12 - 9Reading each horizontal line as a 4 digitnumber, add together the top two rowsto give the result in the third row, andsubtract the first row number from thesecond to give the result in the fourthrow.13 - KWorking in columns, add together thenumerical values of the first and secondletters, and put the letter with thereverse alphabetical value of this sum inthe bottom space.14 - SStarting with the G, move clockwisearound the circle, in steps of 3 letters,then 4, 5, 6 and 7.15 - 3In each row, the sum of the digits is 10.16 - Hour hand is pointing to 2.Multiply the hour hand value by 2 andadd the minute hand value. This total isalways 15.17 - 21Each number represents the numericalvalue of the vowels in the alphabet.18 - IAs you move down, letters are written inalphabetical order, skipping any letterswritten with curved lines.19 - FStarting with the top segment of the topleft square and moving clockwisearound the other 3 squares, lettersmove through the alphabet in steps of 2,with the positions moving one placeclockwise each time. Letters in the nextsegment of the top left square follow thesame pattern, in steps of 3 letters etc.20 - 26Moving clockwise around the chain,numbers increase by 4, then 3, then 2,before repeating this pattern.21 - 42Starting in the top left and moving in a Zshape around the diagram, eachnumber equals the sum of the previous2 numbers.22 - DStarting with the bottom right letter andmoving in a clockwise spiral around thediagram towards the centre, lettersadvance through the alphabet six lettersat a time.23 - 2The numbers in the segments of the topleft circle equal the sum of the numbersin corresponding segments of the lowertwo circles, and the numbers in the topright circle equal the difference betweennumbers in corresponding segments ofthe lower two circles.24 - 1Starting with the bottom line of thetriangle and moving up, the sum of thedigits in each line decreases by 5 eachtime, from 20 to 5.25 - CConverting each letter to its numericalvalue, and reading pairs of circles as 2digit numbers, arranged in two verticalcolumns, numbers follow the sequenceof multiples of 7, starting with 14 andending with 63.26 - 2Numbers in the squares of the topmiddle figure equal the sum of thenumbers in corresponding squares ofthe other 3 figures.27 - 13Starting at the top left and workingdown, then to the right and up, andfinally to the right and down in a zig-zagshape, numbers follow the repeatedsequence, subtracting 1 then adding 3etc.28 - 4Working in rows from top to bottom, thesum of the digits in each row increasesby 2 each time, from 20 to 30.29 - A:15B:38In the first oval, all numbers are PrimeNumbers.In the second oval, all numbers areSquare Numbers.30 - 3Working in rows, the number in thecentral oval equals the sum of the leftand right hand numbers, divided by 3.TEST 5IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 193EE9A0706-0CA4-40D1-B606-7292843C01F7
- 195. SOLUTIONS1941 - MThe 4 diagrams as a whole contain 2sequences of letters. The first starts atthe top of the top left hand diamond,and goes vertically downwards, then upto the top of the top right hand diamondand down again. Letters in thissequence are written in alphabeticalorder, in steps of 4 letters at a time. Thesecond sequence starts on the left handsegment of the upper left diamond andmoves in horizontal lines from left toright, top row then bottom row, with theletters written in alphabetical order insteps of 5 letters at a time.2 - LMoving down the first column, up thesecond, down the third etc. lettersincrease by 7 in each alternate circles.3 - 7In each segment of the circle, multiplythe outer 2 numbers together andsubtract the sum of the outer 2 numbersin the opposite segment to give thevalue in the inner grey segment.4 - QConverting all letters to their numericalvalues, the middle section of each rowof the diagram contains a list of letterswhich are common multiples of anumber, given by the value of the letterin the right hand box. One letter in eachrow does not follow this sequence, andis put in the left hand box.5 - SJoin pairs of letters at opposite sides ofthe diagram, with lines which runthrough the centre. The sum of thenumerical values of the pairs of letters isalways 25.6 - 1Values in the lower left table equal thesums of the values in correspondingpositions of the top two tables, andvalues in the lower right table equal thedifference in values in correspondingpositions of the top two tables.7 - NIn each star, start at the bottom andmove anti-clockwise around the points.Letters follow the alphabetic sequence,in steps of 8 letters, for the left handcircle, 9 for the central one and 10 forthe right hand circle.8 - 3In each diagram, the numerical value ofthe left hand letter equals the product ofthe upper and lower left hand numbers,and the right hand letter equals theproduct of the upper and lower righthand numbers. The numerical value ofthe central letter equals the sum of thenumerical values of the left and righthand letters.9 - 5In each diagram, the sum of the threeupper numbers equals the product ofthe two lower numbers.10 - PStart at the top of the left hand triangleand move in horizontal lines, from left toright, across all the triangles at once,top to bottom. Letters are written insequence, skipping 2 letters, then 3,then 4, before repeating this sequence.11 - BIn each row of the diagram, the reversealphabetical value of the central letterequals the sum of the left and right handdigits.12 - 12The diagram contains two diamonds of3x3 circles, arranged side by side, withthe central 4 circles overlapping.Starting in the central left circle of eachdiamond, the numbers from 1 to 9 arewritten in lines, moving up and to theright. In the circles where the diamondsoverlap, the values are added togetherto give the ones shown on the finaldiagram.13 - 1Add up the four outer numbers andplace your answer in the centre squareof the shape one place clockwise.14 - NWorking in columns from top to bottom,left to right, letters are written in alpha-betic sequence, in steps of 3 letters,then 4, then 5 etc.15 - IStarting with the letters in the top leftsquare, and moving around the othersquares in a clockwise spiral towardsthe centre, letters advance through thealphabet in steps of 4 letters at a time,with the relative positions of each lettermoving 1/4 turn clockwise at each step.16 - King of ClubsStart at the top left of the diagram andmove to the right, then down one rowand to the left etc. in a snakes andladders pattern. The value of each cardincreases by 5 each time, with their suitfollowing the sequence of hearts, clubs,diamonds and spades.17 - BStart with the top left square and moveclockwise around the others. The sumof the numerical values of the letters ineach square follows the sequence 20,25, 30 and 35.18 - 1Split the grid in half vertically, to givetwo columns, 3 squares wide. Workingfrom top to bottom, left then right, andreading each 3 square row as a whole 3digit number, the columns follow thesequence of square numbers, from 10to 21.19 - Five minutes to TenStart with the top left clockface, andmove around the others clockwise. Theminute hand moves backwards by 15minutes, then 20, then 25 etc, while thehour hand moves forward 2 hours, then3, then 4 etc.20 - GConvert each letter to its numericalvalue, and read each pair of values as 2digit numbers. In each row, the numberin the centre equals the differencebetween the 2 digit values on the leftand right.21 -22 - 1Taking any series of 3 numbers in astraight line in the diagram, their total isalways 19.23 - YStart in the top left hand corner andmove anti clockwise around theperimeter of the square. Letters arewritten in alphabetical order, skipping 1letter, then 2 letters, then 3 etc.24 - A25 - 1Working from the top row, add thevalues in adjacent boxes and put thissum in the box directly below, workingtowards the centre. Repeat this patternstarting at the bottom row as well.26 - The bottle is worth 50p, and theperfume is worth £9.5027 - SStart with the top left circle, and move inhorizontal lines from left to right, top tobottom, across all 4 shapes. Letters arewritten in alphabetical order, in steps of5 letters at a time.28 - HStart at the top left segment of the lefthand circle and move clockwise, then tothe middle circle and move anti-clock-wise, and finally to the right hand circleand move clockwise again. Letters arewritten in alphabetical order, in steps of4 letters at a time.29 - VStarting with the upper left hand box ofthe left hand diagram, and moving to theright, letters follow the alphabeticalorder, 5 letters at a time. A secondsequence starts from the middle of thisrow and goes down, with lettersfollowing the alphabetic order, 6 lettersat a time. Repeat this pattern for theother diagrams, using steps of 6 and 7letters, 7 and 8 letters, and 8 and 9letters.30 - 5Take each half of the dominoesseparately, add together the spotsshown on the first two pieces to get thethird domino, then add together the spotfrom the second and third to get thefourth, etc. Return to 0 whenever thespot total exceeds 6.Play OpeningmonthTicketpriceTheatregroupPiecrust Macbeth June £10RSC Othello October £3CAD JuliusCaesar£6MarchTEST 6IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 194EE9A0706-0CA4-40D1-B606-7292843C01F7
- 196. SOLUTIONS1951 - EIn each row, the left hand grid issymmetrical around a vertical axis, thecentral grid is symmetrical about ahorizontal axis, and the right hand gridis symmetrical about a diagonal axis,running bottom left to top right.2 - AAs you move from left to right, the timeshown on each watch decreases by 12minutes, then 24, 36 and 48.3 - 4Working in rows, from top to bottom, thesum of the digits in each row increasesby 2 each time, from 8 to 16.4 - 9Working clockwise around the 3triangles, the sum of the outer digits ineach triangle is written in the centre ofthe triangle one place clockwise.5 - NStarting with B and moving clockwise,letters advance through the alphabet insteps of 2, then 4, 6, 8 and 10.6 - 72Numbers follow the sequence of SquareNumbers, from 1 to 6, multiplying eachone by 2.7 - 68As you move down, multiply eachnumber by 2 and subtract 4.8 - 2The sum of the numbers along eachside of the triangle is always 15.9 - IConvert each letter into its numericalvalue, and read each row as a 3 digitnumber. Rows follow the sequence ofSquare Numbers from 15 to 17.10 - WStarting with the top left outer segmentand moving clockwise, letters advancethrough the alphabet in steps of 4, then5, 6, 7 etc. The letters in the innersegments follow the same pattern, butmove anti-clockwise.11 - 16As you move downwards, numbersincrease by 3, then 2, then 1, beforerepeating this pattern.12 - 7The numbers in each row of thediagram add up to 18.13 - GStarting at the top left and workinganti-clockwise towards the centre in aspiral, letters advance through thealphabet in steps of 8 at a time.14 - FTaking pairs of letters in adjacentsegments, their numerical values alwaysadd up to 10.15 - 2The sum of the 4 digits at the corners ofthe diagram is 17, as is the sum of the 4digits in the middle of each side of thediagram.16 - Hour hand points to 8Starting with the top clockface, andmoving clockwise around the others, theminute hand moves forward 15 minutes,while the hour hand moves back 2hours each time.17 - VEach hexagon is filled with the letter ofthe alphabet you find one place after thevowels.18 - JAdding 1 to the numerical values ofeach letter gives the sequence of PrimeNumbers.19 - 9Starting with the top left square, andmoving clockwise around the other 3,the sum of the digits in each squarefollows the sequence 20, 19, 18, 17.20 - 71As you move clockwise around thediagram, add the previous 2 numberstogether and subtract 3 to give the nextnumber in the chain.21 - 9Starting with the numbers in the top row,and following straight lines through thecentre of the diagram, subtract 3 fromthe number and put the result in thecorresponding lower circle.22 - 2Reading the top and bottom lines as 2digit numbers, multiply these together togive the 3 digit result, written in themiddle.23 - 1Numbers in the segments of the lowerleft circle equal the sum of the digits incorresponding segments of the uppercircles. Numbers in the lower right circleequal the difference between numbersin corresponding segments of the uppercircles.24 - FStarting with the B on the lower right ofthe triangle, and following the diagramround in a clockwise direction, lettersmove through the alphabet in steps of 5.25 - AIn each column of the diagram, the sumof the numerical values of the letters isalways 25.26 - WIn each group of 3 squares, starting onthe upper left and moving clockwisearound the other 2 squares, lettersfollow the alphabetic sequence in stepsof 6 for the left hand diagram, 7 for theupper middle, 8 for the right handdiagram and 9 for the lower one.27 - 56Starting at the top left and moving down,then to the right and up, in a snakes andladders pattern, add the first twonumbers together and subtract 1 to getthe next in the sequence.28 - 6Divide the whole diagram into 4 equalquarters, each comprising of a 3x3square. The sequence of numbers inthe top left quarter is repeated in eachof the other quarters, but increasing by1 each time as you move clockwise.29 - A:11B:16In the first oval, each number representsthe numerical value of the vowels in thealphabet. In the second oval, eachnumber represents the numerical valueof letters of the alphabet written withonly straight lines.30 - 4In each row of the diagram, the sum ofthe left and right hand digits, minus thecentral digit is always 8.TEST 7IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 195EE9A0706-0CA4-40D1-B606-7292843C01F7
- 197. SOLUTIONS1961 - 8Divide the circle, horizontally andvertically, to give 4 quarters. The sum ofthe numbers in the segments of eachquarter equals 11.2 - KAdd 6 to the numerical value of each ofthe larger letters, and write the letterwith this value in the smaller squarediagonally opposite.3 - CarriageThe Carriage = 2, the Car = 3 and theBus = 64 - DConverting each letter to its numericalvalue and reading each line as a 2 digitnumber, the numbers follow thesequence of multiples of 6, from 36 to54.5 - OStarting with the left hand circle in thetop row, add 4 to the numerical value ofeach letter and write the letter with thisvalue in the corresponding segment ofthe lower left circle. Continue thispattern, adding 5 to the letter values inthe central circle, and 6 in the right handcircle.6 - AStart at the top left of the diagram, andwork down the left hand column, thenalong one space to the right and up thenext column, in a snakes and ladderspattern, write the following repeatedsequence of letters: A C P R F D U7 - 6Working through the diagram in rows,and reading each row as a wholenumber, the diagram represents asubtraction sum :203 - 7 = 1968 - CConvert each letter to it’s numericalvalue, and read horizontal lines as 2 or3 digit numbers. Add the top 3 digitnumber to the 2 digit number below togive 200, repeat this pattern for the 3and 2 digit numbers underneath.9 - 39Moving from left to right, add 6 to thefirst number to get the next one along,then 8, 10 and 12 to complete thesequence.10 - 16Starting with the top left number, andworking down one row at a time,alternating between left and right,double the number each time. Repeatthis sequence, starting with the top rightnumber.11 - 1Numbers in segments of the centralcircle equal the difference between thesum of the numbers in correspondingsegments of the left two and right twocircles.12 - 16Working in columns, starting with the topnumber, add 4 to give the next valuedown, and add 5 to give the one underthat.13 - ZStarting at the top left of the diagram,and moving around it in a Z shape,letters follow the alphabetic sequence,in steps of 6 letters at a time.14 - 11In each star, add together the top 3numbers, and subtract the lower 2numbers, to give the value in the centreof each star.15 - TWorking in rows, the numerical value ofthe letter in the right hand columnequals the sum of the numerical valuesof the letters in the left and centralcolumns.16 - TStarting with the top left segment ofeach circle, and moving clockwise,letters follow the alphabetic sequence,in steps of 3 letters for the top circle, 4letters for the left hand circle, and 5letters for the bottom circle.17 - 3In each row of the diagram, add the leftand right hand digits together and add 2to give the result in the centre.18 - 601Starting at the top, double each numberand add 7 to give the next numberdown.19 - LIn each circle, the numerical value of theletter in the lower left quarter equals thesum of the numerical values of theupper 2 letters, and the numerical valueof the letter in the lower right quarterequals the difference between thenumerical values of the upper 2 letters.20 - 92Working from top to bottom, left to right,add together the first two numbers andsubtract 3 to give the next value along.21 - EStart at the top of the diagram, and workthrough each row from left to right.Letters move through the alphabet,In steps of 3 letters, then 4, 5 and 6,repeating this sequence22 - 47Starting at the top on the left, andworking in rows across the 3 triangles,values increase by 2, then 3, then 4 etc.23 - PIn each diagram, starting on the top leftand moving clockwise in a spiraltowards the centre, letters increase invalue by 3 for the left hand diagram, 4for the middle, and 5 for the right handdiagram.24 - 9In each star, the average of the outer 3numbers is written in the centre of thestar.25 - VStarting with the B in the top left, andmoving left to right across the diagramin horizontal lines, letters advancethrough the alphabet in steps of 6 lettersat a time.26 - 21In each triangle, add the lower 2 digitstogether and multiply by the upper digitto give the result in the centre.27 - 1In each circle, add together the numbersin the left and right hand segments, andsubtract 2 to give the result in the lowersegment.28 - 1Start at the top left and move down,then along one space to the right andup the next column, in a snakes andladders pattern. Letters are written inalternate squares, in steps of 2 letters ata time.29 - 1Using the numbers in the segments ofthe lower two circles, the numbers in theupper left circle equal the sum of thenumbers in corresponding segments ofthe lower 2 circles, the numbers in theupper central circle equal the differencebetween numbers in correspondingsegments of the lower 2 circles, and thenumbers in the upper right circle equalthe product of the numbers incorresponding segments of the lower 2circles.30 - 0Working from left to right and readingeach pair of numbers as a 2 digit value,these values represent the sequence ofmultiples of 7, starting at 49 andfinishing on 70.TEST 8IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 196EE9A0706-0CA4-40D1-B606-7292843C01F7
- 198. SOLUTIONS1971 - KIn each square, start with the left handsegment, and move clockwise aroundthe others. Letters are written inalphabetical order in steps of 10 for thetop left square, 11 for the top right, 12for the lower left and 13 for the lowerright.2 - 3Work through the diagram in columns.The value in the centre of each columnequals the difference between the sumof the top 2 numbers and the bottomtwo numbers.3 - 2In each slice of the circle, the differencebetween the outer and middle numbersis written in the inner segment of theopposite slice.4 - JStart on the top left of the diagram andwork from top to bottom in columns,from left to right. Letters are written inalphabetic order, in a repeatedsequence of steps of 5, 6 and 7.5 - 4Calculate the difference betweenadjacent numbers in the centre of eachoval and put the result in the spacebetween the two ovals in the oppositeside of the diagram.6 - 11Numbers in the top right hand grid equalthe sum of the numbers incorresponding positions in the upperand lower left hand grids, and numbersin the lower right hand grid equal thedifference between numbers incorresponding positions in the upperand lower left hand grids.7 - QTreat each star as 2 intersectingtriangles, and start on the top or the leftof each triangle in each star and moveclockwise around it. Letters are writtenin alphabetical order in steps of 6 for theleft hand star, 7 for the central one and8 for the right hand star.8 - 6In each diagram, the central valueequals the difference between the sumsof the numbers in the left hand columnand the sums of the numbers in theright hand column.9 - 14In each diagram, the number at the topequals the average of the four smallernumbers.10 - 11In each triangular group of circles, startwith the longest row and add together 3adjacent values and put this sum in thecircle directly above or below the centreof the 3 values. Continue this sequencetowards the apex of each triangle.11 - 6Calculating the sum of the 3 numbers ineach row, from top to bottom, the rowsfollow the sequence of 11, 13, 15 etc.12 - 5Start with the row of 4 numbers in thecentre of the diagram, and add adjacentpairs of numbers together, putting theresults in the circles directly above.Repeat this pattern for the next row up.Next, calculate the difference betweenadjacent numbers in the middle row,putting the results in the circles directlybelow. Repeat this pattern for the nextrow down.13 - FTwo sequences are used in these fivegrids, both only using the linescontaining three letters. Firstly, movealong the horizontal lines from top left tobottom right in steps of four, startingwith the A. Secondly, move down thevertical lines in steps of six, starting withthe E. Whenever two numbers crossadd the numerical values together andput the solution in the middle of eachcross.14 - 6Start with the numbers along the topright diagonal of the diagram, and addpairs of adjacent numbers together,putting the result in the square to thelower left of the original pair of numbers.Continue in this way towards the lowerleft hand corner.15 - 14Add together numbers in correspondingsegments of the upper 2 squares, andput the results in the middle square.Numbers in the lower left square equalthe product of the upper left and centralsquares, and numbers in the lower rightsquare equal the product of the upperright and central squares.16 - 7 (any suit)Taking the value of Aces as 1 and allcourt cards as 10, In each column of thediagram, the value of the sum of the 3cards is always 21.17 - KStart with the top left hand segment ofthe top left hand square, and movearound the other squares in a clockwisedirection. Letters are written insequence in steps of 5 letters at a timefor the top left segment, 6 letters for thetop right, 7 for the bottom right and 8 forthe bottom left. The relative positions ofthe letters in each sequence move 1segment clockwise at every step.18 - SSplit the diagram into 3 rows, each 2boxes high. In the top double row,letters are written in sequence, from leftto right, alternating between the upperand lower row, in steps of 6 letters at atime. The middle row follows the samesequence, in steps of 7 letters at a time,as does the bottom row, in steps of 8letters.19 - To the 5Start with the top left clockface, andmove around the others in a clockwisedirection. The sum of the numberspointed to by the hour and minute handfollows the sequence 14, 15, 16, 17 and18.20 - BIn each row, the value in the centreequals the difference between the sumof the numerical values of the pair ofletters to the left and the pair of lettersto the right.21 -22 - KThe sum of the letters in the threeadjacent circles on each side of thediagram is always 30.23 - DThe diagram contains 3 sets of 4 letters- one set of outer corner letters, one setof inner corner letters, and one set ofletters on each side of the square. Thenumerical values of the letters in eachset add up to 40.24 - C25 - DStart with the C at the centre of thediagram and follow 2 sequences ofletters, both clockwise from the C, onearound the upper half of the diagram,and one around the lower half. Letters inthe upper half advance through thealphabet in steps of 7 letters at a time,and letters in the lower half advance insteps of 9.26 - 7 people27 - XIn each diagram, the central letter fallsmidway between the left and right handletters, and the top and bottom letters.28 - 4Split the left and right hand circles into 2halves vertically. The numerical value ofthe letter in the upper left segment ofthe central circle equals the sum of thenumbers in the left half of the left handcircle, and the letter in the lower leftequals the sum of the numbers in theright half of the left hand circle. Repeatthis pattern for the right hand circle.29 - IStart on the upper left of each diagram,and move to the right, then down thelast 2 boxes in the centre. Letters arewritten in alphabetical order, in steps of5 for the left hand diagram, 6 for thenext, then 7, then 8.30 - 3Starting on the left and working to theright, take pairs of dominoes andcalculate the sum of the dots they aredisplaying. This sum follows thesequence 3, 6, 9 and 12.Injury Crop DayGardenerBob Back Roses WednesdayMike Knee Apples FridaySandra Elbow MondayPotatoesTEST 9IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 197EE9A0706-0CA4-40D1-B606-7292843C01F7
- 199. SOLUTIONS1981 - KSplit the circle into 4 quarters,horizontally and vertically, with 2segments each. Starting with the top leftsegment, the sum of the numericalvalues of the letters in the 2 segmentsequals 15. The sum of the next pair ofsegments clockwise equals 16, then 17,then 18.2 - 9Taking numbers in diagonally oppositesquares, calculate their sum, and putthe answer in the small, inner square ofthe upper number. Calculate theirdifference, and put this answer in thesmall, inner square of the lower number.3 - DoughnutThe Doughnut = 4, the Eclair = 6 andthe Bun = 74 - QTaking each pair of letters in each row,the numerical value of one letter equalsthe inverse numerical value of the otherletter.5 - 1Starting with the 3 circles in the top row,add together values in correspondingsegments of the left and right handhalves of the left hand circle, and putthe results in corresponding segmentsof the left hand half of the central circle.Repeat this pattern for the left and righthand segments of the right hand circle.For the lower row, follow the samepattern, but calculating the differencesbetween values in the left and righthand halves of the left and right handcircles, putting the results in the centralcircle.6 - HStart on the top left of the diagram, andmove clockwise in a spiral towards thecentre. Letters advance through thealphabet in steps of 5.7 - IStart at the top left, and work throughthe diagram in a Z shape, letters movethrough the alphabet in steps of 6, then7, then 8 etc.8 - 1Taking the top 3 numbers, add themtogether, and write the 2 digit result inthe spaces below. Repeat this patternfor the next set of numbers.9 - 6Working from left to right, numbersrepresent the reverse alphabeticalvalues of the vowels in the alphabet.10 - 6Working from top to bottom, andreading each pair of boxes as a 2 digitnumber, add 10 to the first number togive the next one down, then add 15,and 20 to complete the sequence.11 - 13As you move from left to right, the sumof the digits in each circle forms asequence of multiples of 6, from 6 to 30.12 - 6Working in rows, the central valueequals the difference between the leftand right hand values.13 - 18Starting on the top left, and movingclockwise around the diagram, add thefirst two values together to give the nextvalue along. Repeat this sequence.14 - 6For each star, add the outer numberstogether and divide by 3 for the lefthand, 4 for the centre, and 5 for theright hand, putting the result in thecentre.15 - OStart on the top left and move down,then right one space and up etc in asnakes and ladders pattern. Lettersadvance through the alphabet in stepsof 5.16 - UStart with the letters in the left handcircle. Subtract 3 from the numericalvalues of each letter, and put the letterwith this value in the correspondingsegments of the upper circle. Repeatthis pattern, adding 3 to the numericalvalues of the letters, and putting theresults in corresponding segments ofthe lower circle.17 - NMoving from left to right, top to bottomletters follow alphabetical order,skipping any letters written with curvedlines.18 - SWorking from top to bottom, thenumerical values of the letters follow thesequence of Prime Numbers, adding 1,then 2, then 3 etc.19 - 12Add together numbers in correspondingsegments of the upper two and lowerleft circles to give the values incorresponding segments of the lowerright circle.20 - 3Starting at the top and moving down,reading each pair of boxes as a 2 digitnumber, add the separate digits to the 2digit number as a whole, and put theresult in the 2 boxes below. Continuethis sequence as you move down.21 - LStart at the top of the diagram and workin rows, from left to right, top to bottom.Letters move through the alphabet insteps of 4, 5, 6, 7, 8, 9 and 10, beforerepeating this sequence.22 - 6In each triangle, add together the lowertwo digits and subtract 2 for the lefthand triangle, 3 for the middle and 4 forthe right hand triangle, putting the resultat the apex of the triangle.23 - 9Add together the four outer numbers ineach diagram. Divide this answer bytwo to get the middle number.24 - XStarting with the top letter in each star,and moving clockwise around theothers, letters advance through thealphabet in steps of 8 for the left handstar, 9 for the central star, and 10 for theright hand star.25 - VWorking from left to right, following thezig-zag pattern of the line, letters movethrough the alphabet skipping 15 letters,then 14, then 13 etc.26 - 12In each triangle, the central valueequals the average of the 3 valuesaround the outside.27 - 27In each circle, multiply the top twonumbers together, and divide by 2 forthe left hand circle, 3 for the centre, and4 for the right hand circle, putting theresult in the lower segment.28 - 2Split the diagram horizontally andvertically into 4 quarters. A sequence ofletters is written in each quarter,following the alphabetic order, 3 lettersat a time, starting with the upper leftquarter. Add 2 to the values of eachletter to give the letters in the nextquarter clockwise, then 3, then 4.29 - 5Take values in the top left and centrecircles and put their sum in correspond-ing segments of the lower left circle.Take values in the middle and righthand circles, and put their differenceinto corresponding segments of thelower right circle.30 - 22Working from left to right, add numbersin the first two boxes together, andsubtract 4, to give the next value along.TEST 10IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 198EE9A0706-0CA4-40D1-B606-7292843C01F7
- 200. SOLUTIONS1991 - FIn each diagram, the black circles jointogether to make straight sidedpolygons. Working from left to right, toprow then bottom row, the number ofsides in each polygon increases by 1each time, from 3 to 8.2 - DOn each watch, the sum of the digitsshown equals 8.3 - FWorking in rows, from top to bottom, thesum of the numerical values of theletters in each row starts at 12, andincreases by 2 as you go down eachrow.4 - 32In each triangle, add together the lower2 digits, and multiply this by the topdigit, to give the value written in thecentre of the triangle.5 - GThe numerical values of the letters inopposite segments of the circle add upto 16 each time.6 - HWorking from top to bottom, letters arewritten in pairs. Take the 2 digitnumerical value of the first letter andadd the 2 digits together. Write the letterwith this numerical value in the nextspace down. Continue in this way downthe line.7 - 71As you move down, numbers follow thesequence of Square Numbers, from 36to 121, subtracting 10 for the secondnumber, 20 for the next, then 30 etc.8 - TStarting in the bottom left corner of thediagram, and moving clockwise, lettersfollow in alphabetic order, skipping 1letter, then 2, then 3 etc.9 - 1Working in columns, start with the topnumber, and subtract the number in thecentre, to give the result in the bottomrow.10 - VStarting with the top left outer segmentand moving clockwise, alternatingbetween the inner and outer segments,letters advance through the alphabet 5letters at a time. Starting with the top leftinner segment, follow the same pattern,using every sixth letter.11 - 849Working from top to bottom, add 1 toeach number and multiply by 3 to givethe next value down.12 - 6Working in rows, from top to bottom,and reading each row as a 4 digitnumber, rows follow the sequence ofCube Numbers, from 13 to 16.13 - 8Starting in the top left and working incolumns, add the first two numberstogether and add 1 to give the numberat the bottom of each row.14 - LStarting with the A in the top leftsegment of the circle, and movingclockwise, letters follow a modifiedalphabetic sequence. To make thesequence, write the alphabet, removingall letters written with any curved lines,then take alternate letters from thissequence.15 - 1The four numbers in the corners of thesquare, and the four numbers in themiddle of each side of the square addup to 21.16 - The hour hand points to the 4.The sum of the values pointed to by thehands on each clock equals 12.17 - YFrom left to right, the numerical value ofthe letters represents the sequence ofmultiples of 5, from 5 to 25.18 - MWorking downwards, add the numericalvalues of the first two letters together,and put the letter with this value in thenext box down. Continue in this waydown the diagram.19 - 4Add up numbers in correspondingsegments of each square. The sum ofthe digits in the left hand segmentsequals 20, the sum of the uppersegments equals 22, the right handsegments equals 24 and the lowersegments equal 26.20 - 22There are two repeated sequences inthe circle. Starting with the first segmentand moving clockwise, add 1 to the firstnumber, then 2, 3, and 4, writing theresults in alternate segments. Startingwith the second segment, add 3 to thisnumber, then 4, 5 and 6, writing theseresults in the alternate segments left.21 - DStarting at the top left and moving in a Zshape around the diagram, thenumerical value of the letters increasesby 6, then 7, then 8 etc.22 - 2Reading each row as a whole number,multiply the top 2 digit number by thelower 2 digit number to give the resultrepresented by the middle 3 digitnumber.23 - 13Starting with the top circles, multiplyeach value by 2 and subtract 3, writingthe result in the corresponding segmentof the lower circle.24 - 6Numbers in boxes from the second rowup equal the average of the 2 numbersin the boxes directly below. Continue tothe apex of the triangle.25 - OWorking in rows, from left to right, in thetop row add 3 to the numerical value ofthe first letter to give the next one along,then 4, then 5. In the next row, add 5 tothe first letter, then 6, then 7. In the thirdrow, start by adding 7, then 8, then 9,and in the bottom row, add 9, then 10,then 11.26 - OIn each group of 3 boxes, the numericalvalue in the lower box equals theaverage of the numerical values of theletters in the top 2 boxes.27 - 2Reading each line of the diagram as a 3digit number, add the top and middlelines together to give the result on thebottom line.28 - YSplit the diagram into equal quarters of3x3 squares. In each quarter, movearound the spaces in a clockwise spiraltowards the centre, starting on the topleft. Letters follow the alphabeticsequence, In steps of 2 letters, then 3,then 4 etc.29 - 1:Q2:DThe first oval contains letters with evennumerical values, and the second ovalcontains letters with odd numericalvalues.30 - 1In each row, add the left and right handnumbers together and subtract 2 to givethe number in the centre of the row.TEST 11IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 199EE9A0706-0CA4-40D1-B606-7292843C01F7
- 201. SOLUTIONS2001 - BIn each square, the sum of thenumerical values of the top and bottomletters equals the sum of the left andright hand letters.2 - 11Working through the diagram incolumns, the value at the bottom ofeach column equals the sum of the top2 numbers, minus the sum of the next 2numbers.3 - FAdd together the numerical values ofthe letters which appear in the outersegments, and put the letter with thisvalue in the inner segment, one placeclockwise.4 - ZIn each row, multiply the numericalvalues of the left and right hand letters,putting the result in the centre.5 - YStart on the left hand of the diagram,and move clockwise. Letters are writtenin alphabetical order, in steps of 10letters at a time.6 - 8In each grid, working in columns, addthe top and bottom numbers together,and put this sum in the centre square inthe grid underneath the original (for thetop grids), or the grid above (for thelower grids).7 - 5In each star, the value at the centreequals the difference between the sumof the top 3 numbers and the sum of thebottom 3 numbers.8 - FIn each diagram, convert each letter toits numerical value, and read the topand bottom pairs of letters as complete2 digit values. Multiply these valuestogether to give the 3 digit result writtenin the centre spaces.9 - 4In each diagram, read the upper andlower pairs of numbers as 2 digit valuesand add these together to give the resultwritten at the top.10 - XIn each triangular shape, start on theextreme left and move in a clockwisespiral towards the centre. Letters arewritten in alphabetical order, in steps of6 letters for the left hand shape, 7letters for the centre, and 8 letters forthe right hand shape.11 - 4Working in rows, add the left and righthand values together and subtract 3 togive the number in the centre of eachrow.12 - BStart on the left of the diagram, andwork in columns, top to bottom, from leftto right. Letters are written in sequence,in steps of 2, then 4, then 6, then 8,before repeating this pattern.13 - 4Add together the four outer numbers ofeach grid. This answer is the centralnumber of the grid one place furtherclockwise.14 - 10Working in columns, the sum of thenumbers in each column equals 23.15 - 5Add together numbers in correspondingsegments of the outer four squares. Theanswer is placed in the diagonallyopposite segment of the middle square.16 - Jack of SpadesThere are 2 sequences in the grid - onedetermining the value of the card, andone determining the suit of the card.Starting on the top left and moving right,then down one row and to the left, thendown the final row and to the right,cards are arranged in order, with theirvalue increasing by 4 each time. Tocalculate the suit of each card, start onthe top left and move down, then rightone row and move up etc. cards arearranged in the order Hearts, Clubs,Diamonds, Spades.17 - YWork in rows, across the 4 squares as awhole. Start at the top left and move tothe right, then down one row and to theleft etc in a snakes and ladders pattern.Letters advance through the alphabet insteps of 5 letters at a time.18 - 6Split the diagram into 2 halves vertically,each 3 columns wide. Numbers in theleft hand half follow the sequence ofcubed numbers, from 64 to 729, andnumbers in the right hand half follow thesequence of squared numbers, from121 to 256.19 - To the 6Starting with the top left clockface andworking clockwise around the others,the sum of the numbers pointed to bythe 2 hands starts at 3 and increases by2 each time.20 - WIn each row, take the reversealphabetical value of the left hand letterand the alphabetical value of the righthand letter and calculate the difference,putting this result in the central square.21 -22 - FTaking pairs of letters at opposite sidesof the diagram, the sum of theirnumerical values equals 21 each time.23 - TStart at the top left, and move clockwisearound the square. Letters follow thealphabetical order, skipping 4 letters,then 5, 6, 7, 8, 9 and 10, beforerepeating this sequence.24 - C25 - OStart at the centre letter, and movearound the upper triangle in a clockwisedirection. Letters follow the alphabeticalorder in steps of 9 letters at a time.Repeat the same pattern, movingclockwise around the lower triangle, withthe letters written in steps of 7 letters ata time.26 - Thirty men27 - 2In each diagram, the central valueequals the sum of the left and right handdigits, minus the sum of the upper andlower digits.28 - JStart on the upper left hand segment ofthe left hand circle and moveanti-clockwise around it. Then move tothe upper left of the central circle andmove clockwise, then on to the righthand circle, and again moveanti-clockwise. Letters are written insequence along this path, skipping 3letters, then 4, 5 and 6, before repeatingthis sequence.29 - 4In each shape, use the left and righthand numbers as a source. The uppercentral number equals the sum of theleft and right hand numbers, the middlecentral number equals the product ofthe left and right hand numbers, and thelower central number equals thedifference between the left and righthand numbers.30 - 3As you move from left to right, the spottotal on each domino increases by 3then decreases by 1 alternately.Mother Costume AgeChildAndrew Paula Carrot 8Daisy Jane T.V. 7Lily Mary 9MartianTEST 12IQ Mindbenders pp 135-208 17/8/05 2:38 pm Page 200EE9A0706-0CA4-40D1-B606-7292843C01F7
- 202. SOLUTIONS2011 - BWorking in rows, left to right, top rowthen bottom, one black circle is addedeach time, with the positions of thecircles moving 1/4 turn clockwise eachtime.2 - ETaking the hour and minute values oneach watch separately, as you move tothe right the hour value increases by 1,2, 3 and 4, and the minute valuedecreases by 11, 22, 33 and 44.3 - 5Working in rows, in each row the centralnumber is equal to the differencebetween the sum of the even numbersin the row and the sum of the oddnumbers in the row.4 - VStarting with the top left triangle, andmoving clockwise around the other 2,letters advance through the alphabet insteps of 4, 5 and 6, with their relativepositions moving 1 place clockwisearound each triangle.5 - 196Starting with the top left segment, andmoving clockwise around the circle,numbers follow the sequence of squarenumbers, from 121 to 256.6 - MAs you move down the line of letters,alphabetical values increase by 7, then4, then 7 etc.7 - 57As you work down the column, numbersfollow the sequence of Square Numbersfrom 16 to 81, subtracting 4, then 8,then 12 etc.8 - 1Splitting the diagram into 3 smallertriangles, with 3 circles each, the sum ofthe numbers in each smaller triangle isalways 21.9 - DStarting on the top left, and moving tothe right, then down one row and to theleft etc. in a snakes and ladders pattern,letters advance through the alphabet insteps of 5, then 2, then 5 etc.10 - NTake pairs of letters, one from an outersegment and one from the innersegment in the opposite position. Thesum of the numerical values of theseletters is always 20.11 - 69Starting at the top and working down,double each number and subtract 5 togive the next number down.12 - 5Working in columns, the sum of thenumbers in each column equals 18.13 - CIn each row, the numerical value of thecentral letter equals the sum of thenumerical values of the left and righthand letters.14 - BStarting with the top left segment andmoving clockwise, letters advancethrough the alphabet in steps of 4, then5, then 6 etc.15 - 16Starting on the top left, and movingclockwise in a spiral towards the centre,numbers increase by 7, then decreaseby 2. Repeat this pattern all the wayaround.16 - Minute hand pointing to 6Starting with the top clockface andmoving clockwise around the others, thehour hand moves forward by 1 hour,then 2, then 3, while the minute handmoves forward 10 minutes, then 20,then 30.17 - 10Working from left to right numbers followthe sequence of Prime Numbers,subtracting 1 each time.18 - JWorking from top to bottom, lettersappear in alphabetical order, skippingany letters written with only straightlines.19 - QStarting with the top left square, andmoving clockwise around the othersquares, the numerical values of eachletter increase by 2, with their relativepositions in each square rotating 1 placeclockwise at each turn.20 - 24Working clockwise around the diagram,add the first two numbers together andsubtract 3 to give the next numberalong.21 - GStarting with the letters in the top row,and following straight lines through themiddle circle, subtract the numericalvalue of the middle letter (G) and writethe letter with the correspondingnumerical value in the lower circle.22 - YStarting with the bottom left letter andmoving in a clockwise spiral towards thecentre, letters advance through thealphabet in steps of 4, 5, 6 etc.23 - 3In each circle, the sum of the numbersin the left hand half of the circle equalsdouble that of the numbers in the righthand half of the circle.24 - EStarting with the bottom row and movingup, one row at a time, the sum of thenumerical values of the letters starts at26 for the bottom row, then 24, 22 and20 as you move up.25 - XStarting with the bottom right handcorner, and moving in a clockwise spiraltowards the centre, letters advancethrough the alphabet, skipping 4 lettersat a time.26 - 11Starting with the diagram in the top left,and moving to the right, ending up withthe bottom diagram, average the valuesin the top two boxes and put the resultin the lower box, adding 1 for the firstdiagram, 2 for the next, then 3, then 4.27 - 9Working in rows, top to bottom, readingeach row as a 3 digit number, rowsfollow the sequence of Square Numbersfrom 11 to 13.28 - PStarting in the top left corner andmoving clockwise in a spiral towards thecentre, letters follow the alphabeticsequence, skipping 5 letters at a time,written in alternate squares of thediagram.29 - A: 42B: 52In the first oval, all numbers aremultiples of 4.In the second oval, all numbers aremultiples of 3.30 - 5In each row, add together the left andright hand numbers, then add 2 to givethe central value.TEST 13IQ Mindbenders pp 135-208 5/9/05 4:30 pm Page 201EE9A0706-0CA4-40D1-B606-7292843C01F7
- 203. SOLUTIONS2021 - 156Start with 1 and move clockwise.Multiply the previous number by 2 andadd 4 to give the next number around.2 - 1In every row of the diagram, if yousubtract the odd numbers from the evennumber, you always get 10.3 - To the 4The sum of the numbers pointed to bythe hour and minute hands is always 11.4 - CThe sum of the numerical values ofpairs of letters, opposite each other inthe diagram, is always 20 (the numericalvalue of the central letter).5 - 5The values in the segments of the uppermiddle circle equal the sum of thevalues in corresponding segments of theupper left and right hand circles, and thevalues in the segments of the lowermiddle circle equal the differencebetween values in correspondingsegments of the lower left and righthand circles.6 - MIn each diagram, start with the upper leftbox, and move anti-clockwise aroundthe others. Letters advance through thealphabet in steps of 7 for the upper leftdiagram, 8 for the middle, then 9, then10.7 - BStarting at the top and working down,letters move through the alphabet insteps of 8 letters, then 9, then 10 etc.8 - 37As you move down the diagram, doubleeach number and subtract 5 to give thenext number.9 - KSplit the diagram in half horizontally andvertically. Start in the top left square ofeach quarter, and move clockwisearound the other squares in the quarter.In each quarter, letters advance throughthe alphabet in steps of 2 for the upperleft quarter, 3 for the upper right, 4 forthe lower right and 5 for the lower left.10 - UStart with the D on the outer left of thediagram, and move clockwise aroundthe outer segments, then start on the Nanti-clockwise around the innersegments. Letters advance through thealphabet in steps of 3, then 4, 5, and 6,repeating this sequence.11 - JIn each circle, the reverse alphabeticalvalue of the lower letter equals the sumof the alphabetical values of the top 2letters.12 - BStart at the top left and move down theleft hand column, then move one placeto the right and up the next column etc.in a snakes and ladders pattern. Lettersare written in alternate spaces, in stepsof 7 letters at a time.13 - 6In each row of the diagram, thenumerical value of the middle letterequals the sum of the left and right handnumbers, subtracting 3.14 - 17In each star, the number in the centreequals the difference between the sumof the even numbers and the sum of theodd numbers around the points of thestar.15 - RThe sum of the numerical values ofletters in opposite segments of the circleis always 22.16 - 26Starting on the top left and moving tothe right, then down one row and to theleft, then down to the bottom row and tothe right, numbers alternately add 8then subtract 3.17 - AIn each diagram, there are 2 lines ofblack dots, joining two sides together.The sides joined by the dots moves 1/4turn clockwise as you move from left toright.18 - HStarting at the top and moving down,the sum of the numerical values of theletters in each oval follows thesequence 20, 22, 24 etc.19 - 5Take pairs of numbers at opposite endsof the diagram. Their total is always 10.20 - MStart with the top left square, and moveclockwise around the others. The sumof the numerical values of the letters ineach square equals 20 for the top left,25 for the top right, 30 for the bottomright and 35 for the bottom left.21 - DStart on the bottom left and move up tothe top, then to the right one space anddown to the bottom. Letters follow thealphabetic sequence alternately in stepsof 6, then 8. Starting on the bottom rightand moving up to the top, then left onespace and down to the bottom, letters inthis half follow the same pattern.22 - 11In each triangle, the central valueequals the sum of the 2 even numbersfrom the outside corners of the triangleminus the odd number.23 - NStarting at the top left hand of everydiagram, move around the outer circlesin an anti-clockwise direction. Lettersare written in alphabetic sequence, insteps given by the numerical value ofthe central letter.24 - 5Start at the top of each triangle andmove clockwise around its points. Addthe first two numbers together andsubtract 2 to give the next value round.25 - EStarting on the left, and moving to theright, letters are written in alphabeticalorder, moving forward 8 places, thenback 2, then forward 7 places and back3. Repeat this sequence to the end ofthe line.26 - 8In each triangle, multiply the lower 2numbers together and subtract theupper number to give the value in thecentre.27 - 10For each circle, add the left and righthand numbers together and put thistotal in the circle one place to the right.28 - DStart with the watch on the left andmove to the right. The time on thewatches increases by 2 hours 3 min-utes, then decreases by 1 hour 16 min-utes, alternately.29 - WStart with A on the left hand side, andmove in a clockwise spiral around thediagram. Letters advance through thealphabet in steps of 6.30 - ZStarting on the left and moving right,letters are written in alphabetical order,using every other letter written with onlystraight lines.TEST 14IQ Mindbenders pp 135-208 17/8/05 2:39 pm Page 202EE9A0706-0CA4-40D1-B606-7292843C01F7
- 204. SOLUTIONS2031 - 7In each square, multiply the top andbottom numbers together to give a 2digit result, and put the letters with thenumerical values of each digit in the leftand right hand spaces.2 - MIn each column, add up each numberand put the letter with this sum in thebottom circle.3 - IStart with the outer top left segment,and move around the circle clockwise,then move in to the middle segmentsand move anticlockwise. Following thispath, letters advance through thealphabet in steps of 7 letters at a time.4 - 0In each row, the left hand numberequals the total of the even valuedletters in the middle box, and the righthand number equals the total of the oddvalued letters in the middle box.5 - 9Multiply numbers in adjacent circlestogether, then subtract the originalnumbers, to give the value in the spacein-between.6 - SIn each grid, start in the top left andmove down, then right one space andup etc. in a snakes and ladders pattern.Letters advance through the alphabet insteps of 5 for the top left grid, 6 for thetop right, 7 for the bottom left and 8 forthe bottom right.7 - 1In each star, calculate the differencebetween the 2 left hand and 2 righthand numbers. The value at the top ofeach star equals the product of thesedifferences, and the value at the bottomof each star equals the differencebetween these 2 differences.8 - FIn each shape, start at the bottom leftand move up, then diagonally down tothe right, and finally up the right handcolumn, in an N shape. Letters movethrough the alphabet in steps of 4, 5, 6,7, 8, and 9.9 - 6In each figure, calculate the differencebetween the upper and lower left handnumbers, and the upper and lower righthand numbers and multiply thesedifferences together to give the value atthe top.10 - 43In each triangle shape, start at the lefthand side of the longest row and moveto the right, then on the next row and tothe left, and finally to the third row. Addtogether the first two numbers andsubtract 1 to give the next value around.11 - 2Working from top to bottom, and readingeach row as a 3 digit number, rows arearranged in order of the SquareNumbers, from 11 to 15, with the digitsreversed in each case.12 - 6Work through the diagram in horizontalrows. The sum of the numbers in eachrow is always 23.13 - 6Take values in corresponding positionsof the outer 4 shapes, and put theresults in the central shape, rotating theposition of this result by 1/4 turn eachtime.14 - ZStart at the top, and work left to right inrows, top to bottom. Letters advancethrough the alphabet in steps of 10, 11,12, 13 etc.15 - 9Calculate the sum of the numbers incorresponding positions of the outer 4squares, subtract 5 form this result, andput it in the corresponding position ofthe middle square, 1/4 turnanticlockwise from the original.16 - 3 of SpadesDivide the diagram in half, vertically. Ineach half, start at the top left card andmove to the right, then down one rowand to the left, and finally to the right, ina snakes and ladders pattern. The valueof the cards in the left hand halfincrease alternately by 3 and 4, and thevalue of the cards in the right hand halfincrease alternately by 4 and 5. Tocalculate the suit of each card, start atthe top left of the whole diagram andmove down, then to the right one spaceand upwards etc. in a snakes andladders pattern. Suits are written inorder, following this path, starting withHearts, then Clubs, Diamonds andSpades.17 - IStart in the bottom left hand corner ofthe diagram and, moving around thewhole diagram, work in a clockwisedirection, around the outer squares.Letters are written in alphabetical order,in steps of 7 letters at a time. For thesingle square still remaining in eachgroup of 4, add the numerical values ofthe other 3 letters in the square togetherto give a 2 digit number, and add theseseparate digits together, and put theletter with this numerical value in thecentral square.18 - MStart with the top row, second squarefrom the right, and move down and tothe right in diagonal lines, advancingacross the diagram to the left. Lettersare written in alphabetical order, in stepsof 5 at a time.19 - To the 2Starting with the top left clockface andmoving clockwise around the others, theminute hand moves back 2 places, then4, 6 and 8, while the hour hand movesforward 2 places, then 4, 6 and 8.20 - CIn each row, calculate the differencebetween the 2 numbers in the left handcolumn, and the 2 numbers in the righthand column. Multiply these differencestogether to give the numerical value ofthe letter in the centre.21 -22 - BStart at the top, and move diagonallydown and to the right. Letters advancethrough the alphabet in steps of 5 then6. Continue this pattern, starting with thenext circle down on the left etc.23 - SStart with the letter in the top left, andmove clockwise around the square. Thenumerical value of the letters follows thesequence of prime numbers, from 2 to19.24 - B25 - AStarting in the top left, and moving inrows, left to right, top to bottom, lettersadvance through the alphabet in stepsof 6, 7 and 8.26 - 5 years27 - OStart on the left of the middle row ofletters, and move to the right, across allfour diagrams. Letters advance throughthe alphabet in steps of 2, 3, 4... etc. Ineach separate diagram, letters alsofollow a sequence, moving from top tobottom, through the centre, with thevalue of the letters increasing by 2 eachtime for the left hand diagram, then 3,then 4, then 5 for the right handdiagram.28 - 4Split the left and right hand circles inhalf vertically. The letter with thenumerical value of the sum of the digitsin the left half of the left hand circle isplaced in the top left segment of thecentral circle, and the letter with thenumerical value of the sum of the digitsin the right half of the left hand circle isplaced in the top right segment of thecentral circle. Repeat this formula forthe 2 halves of the right hand circle,putting the resulting letters in the lowersegments of the central circle.29 - JStart on the top left of the left handdiagram, and move in horizontal lines,from left to right, top to bottom, acrossall 4 diagrams as a whole. Lettersadvance through the alphabet in stepsof 7, then back 2, repeating thissequence all the way around.30 - 6Start on the left and move to the right,taking pairs of dominoes. The differencebetween the spot total of the twodominoes in each pair follows thesequence 4, 6, 8, 10.Position Style PrizeContestantMarc 3rd French ClockJane 2nd Italian Pots+pansSue 1st HamperChineseTEST 15IQ Mindbenders pp 135-208 17/8/05 2:39 pm Page 203EE9A0706-0CA4-40D1-B606-7292843C01F7
- 205. SOLUTIONS2041 - YStarting with the G and movingclockwise, letters advance through thealphabet in steps of 3 letters, then 4,then 5 etc.2 - VStarting on the top left of each outersquare, and moving clockwise aroundthe corners of the squares, lettersadvance through the alphabet in stepsof 4 for the upper left square, 5 for theupper right, 6 for the lower right and 7for the lower left. Additionally, the lettersbounded by the central square take theinverse alphabetical value of the originalletter.3 - AnchorThe Binoculars = 1, the Anchor = 3 andthe Buoy = 54 - 6Working from top to bottom, readingeach pair of numbers as a 2 digit value,values represent the reversealphabetical value of letters of thealphabet, starting with A, written with 3straight lines only.5 - 1Starting with the circle on the top left,and moving to the right, top row thenbottom row, the sum of the numbers ineach circle follows the sequence 12, 15,18, 21 etc.6 - BStart on the top left, and work throughthe diagram in columns, from left toright. The sum of the numerical valuesof the letters in each column starts at20, then increases by 1 as you moveone column to the right.7 - SStarting at the top left of the diagram,and moving in a Z shape, lettersadvance through the alphabet in stepsof 5.8 - 4Split the whole diagram in half,horizontally, to give two groups of 5octagons. In each group, the centralnumber in the top row equals the sum ofthe surrounding 4 numbers.9 - 110Starting on the left and moving right,double each number and add 2 to givethe next number along.10 - 4Reading each pair of numbers as 2 digitvalues, the sum of the 4 numbers isgiven in the top space in the diagram.11 - 12In each circle, the number in the lowersegment equals twice the differencebetween the numbers in the left andright hand segments.12 - 5Working through the diagram in rows,add the left and central numberstogether and subtract 2 to give the righthand value.13 - 2Reading each row as a 3 or 2 digitnumber, subtract the central 2 digitvalue from the upper 3 digit value, togive the 3 digit result on the lower row.14 - YStart with the top point of each star, andmove clockwise around the other points.Letters advance through the alphabet insteps of 5 for the left hand star, 6 for thecentral star, and 7 for the right handstar.15 - QWorking in columns, add the numericalvalue of the top and middle letterstogether to give the numerical value ofthe lower letter.16 - 10Starting with the left hand circle, add 4to each number and rotate theirpositions 1 place clockwise to give thevalues in the upper right hand circle,then add 5 to each of these values androtate their positions 1 place clockwiseto give the values in the lower righthand circle.17 - 30Working in columns, divide the top valueby 2 to give the middle value, andmultiply this by 3 to give the bottomvalue.18 - 281Working from top to bottom, numbersfollow the sequence of multiples of 14,from 112 to 182, with each value beingwritten back to front.19 - MStart with the letters in the top left circle,and move around the other circles in aclockwise direction. Letters advancethrough the alphabet 6 letters at a time,with the relative positions of each lettermoving one place clockwise each time.20 - 20Working from top to bottom, the sum ofthe numbers in each row is put in theleft hand box on the row below, and thedifference between the two numbers ineach row is put in the right hand box onthe row below.21 - 22On each row of the diagram, the valuein the centre of each row equals thesum of the other numbers in the row,subtracting 2.22 - YStart at the top to the left hand triangle,and work across the whole diagram inhorizontal lines from left to right, top tobottom. Letters are written in alphabeticsequence, skipping 3 letters each time.23 - 3In each diagram, the sum of the top twoand middle digits equals the sum of thelower 2 digits.24 - ZIn each star, start with the letter in thelower left hand point, and move aroundthe other points in a clockwise direction.Letters advance through the alphabet insteps of 6 for the left hand star, 7 for theone in the centre, and 8 for the righthand star.25 - NStart on the left, and move to the right.Letters advance through the alphabet insteps of 2, then 3, then 4 etc.26 - TIn each triangle, start with the bottomleft letter, and move clockwise aroundthe other points. Letters advancethrough the alphabet in steps given bythe numerical value of the letter at thecentre of the triangle.27 - 6In each circle, add together the left andright hand digits, and add 3 to give thevalue of the lower digit.28 - 4Splitting the diagram in half horizontallyand vertically, each quarter contains thealphabet written in sequence, with therelative position of this sequencerotating 1/4 turn anti-clockwise as youmove clockwise around the quarters.29 - 1Start with the top left circle, and movearound the others in a W shape. Thesum of the numbers in each circlefollows the sequence of 10, 12, 14, 16and 18.30 - QStart on the left and work to the right.There are two alternating sequences ofletters - one starts with A and movesthrough the alphabet 5 letters at a time.The other starts on H and movesthrough the alphabet 3 letters at a time.TEST 16IQ Mindbenders pp 135-208 17/8/05 2:39 pm Page 204EE9A0706-0CA4-40D1-B606-7292843C01F7
- 206. SOLUTIONS2051 - AWorking in rows, if you superimpose thepattern of spots in the left and righthand grids you get the pattern in thecentral grid.2 - BAs you move from left to right, add 1 tothe value of each digit on the watch,and rotate the digits one place to theleft.3 - OWorking in rows, add up the digits ineach row and put the letter with thisnumerical value in the centre of the row.4 - 13In each triangle, add up the lower 3digits and divide by 3 to give the valueat the apex of the triangle.5 - 98Starting with the lowest number andmoving clockwise, add the separatedigits of the first number together andadd this to the original number, writingthe result in the next segment along.6 - 33Add the first two numbers together andthen subtract 4 to give the next numberalong.7 - BWorking from top to bottom, replaceeach letter with its numerical value andread each pair of numbers as a 2 digitnumber. Numbers follow the sequenceof multiples of 9, from 27 to 72.8 - VStart at the top, and work through thetriangle in horizontal rows, from top tobottom, left to right. Letters movethrough the alphabet 5 letters at a time.9 - 13Working in rows, from left to right,double the left hand number to get themiddle number, and add 3 to this to getthe right hand number.10 - YStart with the outer segment in the topleft, and move anti-clockwise. Lettersadvance through the alphabet in stepsof 6, then 7, then 8. Continue aroundthe outer segments of thediagram, then move in an anti-clockwisedirection around the inner segments.11 - RWorking from top to bottom, lettersmove through the alphabet in steps of 2,then 3, then 2 etc.12 - 2Split the diagram into two halvesvertically, consisting of 2 columns of 2squares each, and read each 2adjoining squares as a complete 2 digitnumber. Numbers follow the sequenceof multiples of 7, subtracting 1 eachtime.13 - 11Working through the diagram incolumns, add 4 to the top number togive the middle one, and add 6 to thisnumber to give the lowest one.14 - IStarting with the top two segments, thesum of the numerical values of letters inadjoining segments equals 20.15 - 4Working in rows, starting with the centralrow, add the left and right hand digitstogether and put the result in the centralspace. Repeat for the upper and lowerrows, but put the result in the oppositecentral space.16 - To the 4Starting with the top clockface andmoving clockwise around the others, theminute hand points to the value 3 lessthan that pointed to by the hour hand.Repeat for the other clockfaces,subtracting 4, 5 and 6 from the hourhand values.17 - 25Starting on the left, halve the firstnumber and add it to the secondnumber to give the next one along.Repeat this sequence all the way to theright.18 - 6As you move down, numbers representthe reverse alphabetical values of the 5vowels.19 - VStart with the top segment of the top leftsquare, and move directly downwards.Each group of 4 letters follows thealphabetic sequence, in steps of 5letters at a time. Taking other straightlines vertically and horizontally throughthe diagram, letters follow the samepattern.20 - 93Starting with the top segment, andmoving clockwise, add the numbers inthe first two segments together andsubtract 7 to give the next numberaround.21 - 6Starting with the numbers in the top row,left to right, multiply each one by 2 andwrite the results in the lower row, fromright to left.22 - UStarting with the top left letter, andmoving clockwise around the others,letters advance through the alphabet insteps given by the numerical value ofthe central letter (6).23 - 8Starting with the numbers in the top twocircles, add numbers in the left handsegments of each circle, and put thesevalues in the left hand segments of thelower left circle. Put the differencebetween segments in the right handhalves of the two top circles in the righthand half of the lower left circle. Repeatthis pattern for the lower right circle, butputting the difference between numbersin the left hand half of the top two circlesin the left hand half of the lower rightcircle, and the sum of the right hand halfof the top two circles in the right handhalf of the lower right circle.24 - 33Starting with numbers on the bottomrow, add numbers in adjacent boxestogether, and put the result in the boxdirectly above. Continue in this way, upthe triangle.25 - 9Reading each row as a 4 digit number,from top to bottom, rows follow thesequence of Cube Numbers from 16 to19.26 - FIn each group of 3 boxes, calculate thedifference in numerical values betweenthe top two letters, and add 1 to give thevalue of the letter in the lower box.27 - UStarting in the top left of the diagram,and working in columns, from top tobottom, letters follow the alphabeticalsequence, advancing 2 letters, then 4,then 6, then 8 etc.28 - 1Split the diagram into 3 columns, each 2spaces wide, and read each doublespace as a 2 digit number. Starting atthe top of each column, add the 2separate digits together, then add this tothe whole 2 digit number, to give theresult, written in the spaces underneath.29 - A:18B:72In the first oval, all numbers are divisibleby 8, and in the second, they are alldivisible by 7.30 - 5Working through the diagram in rows,find the difference between the left andright hand values, then add 2 to give thevalue in the central space.TEST 17IQ Mindbenders pp 135-208 17/8/05 2:39 pm Page 205EE9A0706-0CA4-40D1-B606-7292843C01F7
- 207. SOLUTIONS2061 - 2In each square, multiply the top andbottom numbers together to give a 2digit result, and write this result in theleft and right hand spaces.2 - 1Working through the diagram in rows,the central value equals the sum of theother numbers in the row.3 - 8Multiply the 2 numbers in the outersegments together and add 1 to give thevalue in the inner segment opposite.4 - 5In each row, add together the numericalvalues of the 3 central letters to give a 2digit sum, and put this 2 digit sum in theleft and right hand boxes at the end ofthe rows.5 - BStart at the top of the diagram, andmove clockwise. Letters appear inalphabetical order, in steps of 10 lettersat a time.6 - 3Split each grid into 2 halves, vertically,leaving 2 columns, each 2 squareswide. Start with the top left pair andmove down, then to the top right pair,and down again. Reading each pair ofdigits as 2 digit values, the 2 digit valuesincrease by 11, 12, 13, 14 and 15.7 - 11In each star, the number in the centreequals the difference between the sumof the numbers in the upwards triangleand the sum of the numbers in thedownward triangle.8 - HIn each diagram, add the numericalvalue of the upper right and left lettersto the lower right and left letters, to givethe letters in the centre of the columns.Calculate the difference between thesemiddle letters to give the value of theletter right at the centre.9 - 2In each diagram, multiply the numbersshown on the arms together and addthe number at the very top to give a 2digit result, written in the lower 2spaces.10 - FStart in the top left of the diagram andmove to the right, then down one rowand to the left, and finally to the rightagain. Letters are written in alphabeticorder, in steps of 5 letters at a time.11 - PWorking in rows, add the left and righthand numbers together, and put theletter with the reverse alphabetical valueof this sum in the central box.12 - CStart with the A in the bottom left corner,and move in a clockwise spiral aroundthe diagram towards the centre. Lettersare written in alphabetic order, in stepsof 6 letters at a time.13 - 0Use the top two diagrams as a source.Numbers in corresponding positions inthe lower left diagram equal the sums ofthe numbers in the top two diagrams,numbers in the central diagram equaltheir product, and numbers in the lowerright diagram equal their difference.14 - 4The average of the numbers in eachcolumn is always 4.15 - PStart with the top left grid and movearound the others in a clockwise spiraltowards the centre. Letters followalphabetic sequences, skipping 1, 2, 3and 4 letters at a time, with their relativepositions in each grid rotating 1/4 turnclockwise each time.16 - Nine of ClubsIn each column of the diagram, add thetop and bottom card values togetherand subtract 2 to give the value of thecentral card.17 - 9Using the top two grids as a source,numbers in the lower left grid equal thesums of numbers in correspondingpositions of the top two grids,subtracting 1 each time, and numbers inthe lower right grid equal the differencesbetween numbers in correspondingpositions of the top two grids, adding 1each time.18 - 19Divide the diagram in half, horizontallyand vertically, to give 4 squares, each3x3. In each square, add up the 4 outernumbers, and put the result in the spacein the centre.19 - To the 5Start with the top left clockface andmove clockwise around the others. Thesum of the numbers pointed to by thehour and minute hand follows thesequence 3, 6, 9, 12 and 15.20 - TIn each row, add together the numericalvalues of the pairs of letters to the leftand right, then calculate their difference,putting the letter with this numericalvalue in the centre space.21 -22 - KStart on the left hand side, and moveclockwise around the diagram. Lettersadvance through the alphabet 9 lettersat a time.23 - 9Take any group of 5 numbers along theside of the square, and their total isalways 25.24 - B25 - MWorking in rows, from top to bottom, thesum of the numerical values of theletters follows the sequence 16, 18, 20,22, 24.26 - Mark gets £50, Patrick gets £150and Peter gets £300.27 - 29In each diagram, add up the 4 outernumbers then add 2 for the left handgroup, 4 for the next, then 6, then 8, andput this result in the central circle.28 - 1Calculate the sums of the numbers inthe left and right hand circles, to give 2digit answers. Write the left handanswer in the top 2 segments of thecentral circle, and put the right handanswer in the bottom 2 segments of thecentral circle.29 - 56In each diagram, multiply the left handnumber by the upper central number togive the central number one line down,and multiply the right hand number bythe upper central number to give thelower central number.30 - 4Start on the left and move to the right,taking pairs of dominoes. The sum ofeach pair of dominoes follows thesequence 5, 10, 15 and 20.BooktypeHero BooklengthReaderAnne Romance MaxMorris120 pgsBeryl Thriller Lucy Carr 250 pgsFrank Biography 400 pgsPeteShearTEST 18IQ Mindbenders pp 135-208 17/8/05 2:39 pm Page 206EE9A0706-0CA4-40D1-B606-7292843C01F7
- 208. SOLUTIONS2071 - BIn each row, the left hand grid containsone line of black dots, the central onecontains 2 lines and the right hand onecontains 3 lines.2 - AOn each watch, the time showncontains two digits that are the same.3 - ZStart on the top left of the diagram, andmove from left to right, top row tobottom row. Letters advance through thealphabet in steps of 6, 7 then 8, beforerepeating this pattern.4 - QStarting on the top left, and movingaround the whole diagram in an anti-clockwise direction, outside then inside,letters advance through the alphabet 5letters at a time.5 - 3Split the circle in half vertically, and takepairs of digits from correspondingsegments of the left and right handhalves of the circle. Reading these pairsof digits as 2 digit numbers, thesenumbers follow the sequence ofmultiples of 9, from 45 to 63.6 - 5As you go down, alternately subtract 8to give the next number, then divide by2. Repeat this pattern.7 - 89Working from top to bottom, numbersrepresent the sequence of SquareNumbers, from 144 to 289, with the firstdigit left out.8 - GStart at the top of the triangle and moveanti-clockwise around it. Letters movethrough the alphabet in steps of 3, 4, 5,6 etc.9 - 8In each row, the middle value equals thesum of the left and right hand values,adding 2 for the top row, 4 for themiddle row, and 6 for the bottom row.10 - DStart with the H in the top left segment,and move clockwise around the shape,alternating between outer segment theninner segment. Letters advance throughthe alphabet 6 letters at a time.11 - 38Starting at the top, add 4 to the firstnumber to get the second, then add 5,6, 7 etc.12 - 0Working through the diagram in rows,the right hand value equals the sum ofany odd numbers in the rest of the row.13 - 3The sum of the numbers in each columnof the diagram is always 21.14 - LStarting with H and movinganti-clockwise, letters advance throughthe alphabet in steps of 10, then 8, then6 etc.15 - 7Add the number at each corner of thediagram to its 2 adjacent numbers. Thetotal is always 15.16 - To the 8Start with the top clockface and moveclockwise around the others. The sumof the numbers pointed to by the 2hands follows the sequence 5, 10, 15,20.17 - 17As you move to the right, double thefirst number to give the next one, thensubtract 5. Repeat this sequence.18 - JAs you move down, add the number ofstraight lines in the first letter to thenumerical value of that letter to give thenext one down.19 - FStart with the A in the top left handsegment, and move in straight verticallines, from top to bottom, left to right.Letters follow the alphabetic sequence,skipping 1 letter, then 2, then 3 etc.20 - 518As you move clockwise, subtract 3 fromthe first number and multiply by 2 togive the next one round.21 - EStart at the top left, and move aroundthe diagram in a Z shape. Thenumerical value of the letters increasesalternately by 6, then 3.22 - EConvert each letter to its numericalvalue, and split the diagram into rows,reading each row as a 2 or 3 digit value.The value represented by the middleline of the diagram equals the sum ofthe upper value and lower value.23 - 1Numbers in the segments of the upperleft hand circle equal the product of thenumbers in corresponding segments ofthe lower 2 circles, and the numbers inthe segments of the upper right handcircle equal the sum of the numbers incorresponding segments of the bottomtwo circles.24 - 12Working from the bottom row to theapex of the triangle, the sum of thevalues in each row follows the sequence15, 14, 13,12.25 - KWorking through the diagram incolumns, from top to bottom, lettersmove through the alphabet in steps of 5for the left hand column, 7 for the nextone, then 9, then 11.26 - OIn each diagram, add the numericalvalues of the top 2 letters together,divide this by 2 and subtract 2 to givethe numerical value of the lower letter.27 - 6Each row and column of the diagramadds up to 15.28 - ASplit the diagram in half, horizontallyand vertically, into quarters. Start in thetop left cell of each quarter, and movearound it in a clockwise spiral towardsthe centre. Letters are written inalternate segments, moving forward 7letters at a time for the top left quarter, 6letters for the top right, 5 letters for thelower right, and 4 letters for the lowerleft.29 - A:319B:424In the first oval, the sum of the separatedigits of each 3 digit number is 9, and inthe second oval, the sum of theseparate digits is 7.30 - CThe sum of the numerical values of theletters in each column of the diagramequals 29.TEST 19IQ Mindbenders pp 135-208 17/8/05 2:39 pm Page 207EE9A0706-0CA4-40D1-B606-7292843C01F7
- 209. SOLUTIONS2081 - UThe sum of the numerical values of theletters in opposite segments of the circleequals 26.2 - JStart with the letter J in the top leftsquare, and move clockwise around theother squares. Letters follow thealphabetic sequence, skipping 4 lettersat a time. Start with the X in the innersquare in the top left, and moveclockwise. These inner letters alsofollow the alphabetic sequence, skipping5 letters at a time.3 - 82Start at the top and work down. Add theseparate digits of the top number to thenumber itself to give the next one down,then subtract 12 to give the one afterthis. Continue with this alternatingpattern.4 - 4From top to bottom, reading each pair ofnumbers as a 2 digit value, the numbersfollow the sequence of square numbers,from 16 to 49, each written back tofront.5 - 1In each row of the diagram, the valuesin the central circle equal the sums ofthe digits in corresponding segments ofthe left and right hand circles.6 - DSplit the diagram horizontally into 3rows, each 2 circles high. Start with thetop left circle in each row, and move onespace to the right, alternating down andup. Letters advance through thealphabet 5 letters at a time for the upperdouble row, 6 letters at a time for thecentral row, and 7 letters at a time forthe bottom row.7 - 2Split the diagram into 3 verticalcolumns. The sum of the numbers ineach column equal 17.8 - XStart at the top left and move to theright, then down one row and to the leftetc in a snakes and ladders pattern.Letters advance through the alphabet 9letters at a time.9 - 31As you move to the right, double theprevious number and subtract 4, then 3,then 2, then 1 to give the next numberalong.10 - 7Start anywhere on the diagram, andmove clockwise, calculating the sum ofevery third circle. This always equals 15.11 - 5In each circle, the digit is equal to thenumber of straight lines used to writethe two letters in the same circle.12 - 5In each column of the diagram, thecentral value equals the average of theupper and lower numbers.13 - BStart with the J in the top left and moveanti-clockwise around the shape in anhourglass shape. Letters advancethrough the alphabet in steps of 11letters at a time.14 - 14In each star, the central value equalsthe sum of the top and lower twonumbers, minus the left and right handnumbers.15 - 1Read each row of 3 numbers as a 3digit number, and add the top row valueto the middle row, to give the resultwritten in the bottom row.16 - OUsing the letters in the top right circle asa source, add 4 to the numerical valuesof each letter to give the letters incorresponding segments of the middlecircle, and subtract 5 from the values togive the letters in correspondingsegments of the bottom circle.17 - 21In each row, add the left and centralnumbers together, double it and add 1to give the right hand value.18 - F M RStarting at the top and working down,add 5 to the numerical value of anyeven numbered letter, and add 7 to thenumerical value of any odd numberedletter to give the letters in the spacebelow.19 - LStarting with the letters in segments ofthe top left circle, add 3 to the numericalvalues of the letters, and write theresults in the top right circle, with therelative positions of the letters moving1/4 turn clockwise. Repeat this pattern,adding 4 to the values of the letters forthe lower right hand circle, and adding 5for the letters in the lower left handcircle, putting the results in thesegments 1/4 turn clockwise each time.20 - 73, 48Starting at the top, add the left and righthand numbers together and subtract 5to give the lower left number. Add 2 tothe left hand number to give the lowerright hand number.21 - UStarting at the top and working indiagonal lines from top right to bottomleft, letters alternately increase in valueby 9, then decrease by 3.22 - 80In each triangle, the central valueequals the product of the 3 outernumbers subtracting the sum of the 3outer numbers.23 - QIn each diagram, start with the letter inthe top left and move clockwise aroundthe others. Letters advance through thealphabet in steps given by the numericalvalue of the central letter.24 - NThe sum of the numerical values of theletters around each star is always 55.25 - IStarting on the left, and moving alongthe diagram to the right, letters movethrough the alphabet in steps of 5, then3, then 7, repeating this sequence.26 - 9In each triangle, multiply the lower twonumbers together and add the uppernumber to give the value in the centre.27 - CIn each circle, multiply the inversealphabetical value of the upper left handletter by the regular alphabetical valueof the upper right hand letter to give thevalue in the lower segment.28 - 5Splitting the diagram in half bothhorizontally and vertically, each quartercontains a pattern of black squares,representing the letters W, X, Y and Z.29 - 3Using the lower two circles as a source,the values in corresponding segments ofthe upper left circle equal the sums ofthe numbers in the lower two circles.The values in the upper central circleequal the products of the values in thelower two circles, and the upper rightcircle equals the difference betweenvalues in the lower two circles.30 - 6Starting on the extreme left and righthand of the row and working towardsthe centre, add the end digits togetherand subtract 3 to give the next valuealong to the left, and add 1 to give thenext value along to the right. Repeat thissequence, working towards the centre.TEST 20IQ Mindbenders pp 135-208 17/8/05 2:39 pm Page 208EE9A0706-0CA4-40D1-B606-7292843C01F7
- 210. Do you enjoy calling on your powers oflogic, concentration and lateral thinking?Are you looking for a book which is bothentertaining and mentally stimulating?Search no further!IQ Mindbenders is for those of you whowant a challenge. Packed with visual,letter and number puzzles, this book isdesigned to test and enhance all thedifferent aspects of your IQ.So don’t delay. Get your thinking cap onand find out what it takes to become apuzzle master!Printed in ChinaIQ Mindbenders_BC_Cap:IQ Mindbenders_BC_Arcturus 21/6/07 15:57 Page 1EE9A0706-0CA4-40D1-B606-7292843C01F7

Full NameComment goes here.marshal201221 hours agoAli-bakr Algelane, Student at General Medicine 1 year agokavi priyah1 year ago