simplification

1. Simplification
Directions: What value should come in place of the question
mark (?) in the following questions ?
1. ? % of 800 = 293 – 22% of 750
(1) 14 (2) 18
(3) 12 (4) 16
(5) 20
2. 3 3 34096 64 ?¸ =
(1) 16 (2) 8
(3) 64 (4) 4
(5) 4
3. 302.46 + 395.72 – 123.47 = ?
(1) 576.77 (2) 547.17
(3) 547.77 (4) 574.71
(5) 577.71
4. 1.5 × 78 ÷ 0.5 = ?
(1) 238 (2) 234
(3) 243 (4) 216
(5) 261
5. 18.5 × 21.4 × ? = 6255.22
(1) 15.8 (2) 14.6
(3) 17.4 (4) 17.2
(5) 16.4
6.
17 51 1 3
5 4 11 2 ?
37 52 7 4
´ ´ + =
(1) 303.75 (2) 305.75
(3)
3
303
4
(4)
1
305
4
(5) None of these
7. ( ) ( ) ( )2 2 2
33124 2601 83 ? 37´ - = +
(1) 37 (2) 33
(3) 34 (4) 28
(5) None of these
8. (4444 ÷ 40) + (645 ÷ 25) + (3991 ÷ 26) = ?
(1) 280.4 (2) 290.4
(3) 295.4 (4) 285.4
(5) None of these
9. ( ) ( ) ( )2
5 7 7 4 7 8 7 19é ù+ ´ + -
ë û = ?
(1) 143 (2) 72 7
(3) 134 (4) 70 7
(5) None of thesea
10. 4003 × 77 – 21015 = ? × 116
(1) 2477 (2) 2478
(3) 2467 (4) 2476
(5) None of these
11. 72 + 34 – 43 = ? – 112
(1) 55 (2) 196
(3) 172 (4) 187
(5) None of these
12. 1767 = ? × 57
(1) 27 (2) 31
(3) 39 (4) 37
(5) None of these
13. 32% of 150 × 53% of ? = 7632
(1) 480 (2) 324
(3) 300 (4) 298
(5) None of these
14.
1
5
of
2
7
of
8
3
of 4095 = ?
(1) 642 (2) 598
(3) 648 (4) 475
(5) None of these
15. 1001 + 96 ÷ 16 = ?
(1) 1108 (2) 996
(3) 1070 (4) 1007
(5) None of these
16.
13 4
2 ?
17 17
+ =
(1) 5 (2) 2.9
(3) 7 (4) 4
(5) None of these
17. 4431 + 431 – 31 = ?
(1) 4530 (2) 3969
(3) 4831 (4) 4031
(5) None of these
18. (504.14 ÷ 14) ÷ 13 = ?
(1) 2.77 (2) 2.56
(3) 3.14 (4) 2.17
(5) None of these
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2. 2
CAREER POWER
CAREER POWER, G-7, Roots Tower, Laxmi Nagar, District Centre, Delhi-92, www.careerpower.in
Chapterwise Bank PO Quantitative Aptitude
19. 43% of 586 = 341.2 – ?
(1) 76.28 (21) 49.53
(3) 82.99 (4) 48.96
(5) None of these
20. 8327.3 ÷ 831.4 × 8346.8 = 8331.9 + ?
(1) 64.1 (2) 41.9
(3) 40.8 (4) 39.1
(5) None of these
21. (21.6)2 ÷ (– 7.2)2 × ? = 15483.36 – 15276.09
(1) 23.03 (2) 23.3
(3) 32.03 (4) 32.3
(5) None of these
22. 64% of 272 + ?% of 1129 = (– 24)2 + 83.55
(1) 51 (2) 53
(3) 41 (4) 43
(5) None of these
23.
5
17
of 51% of 864 = ? 73.96+
(1) 16421 (2) 16411
(3) 14641 (4) 16441
(5) None of these
24.
( )1/22/3
212996729
? 10
1000 625
-
ì ü
ï ïæ ö
+ = ´í ýç ÷
è ø ï ïî þ
(1) 573 (2) 537
(3) 753 (4) 735
(5) None of these
25.
3
3
729 8 3
?
15 81728
´ ´ =
(1) 0.15 (2) 0.18
(3) 1.02 (4) 0.24
(5) None of these
1. (4)
800 ?
100
´
= 293 –
750 22
100
´
Þ 8 × ? = 293 – 165 = 128
Þ ? =
128
8
= 16
2. (3) 3 ? = 3 34096 64¸
= 3316 16 16 4 4 4´ ´ ¸ ´ ´
= 16 ÷ 4 = 4
? = 4 × 4 × 4 = 64
3. (4) ? = 302.46 + 395.72 – 123.47
= 698.18 – 123.47 = 574.71
4. (2) ? =
1.5 78
0.5
´
= 234
5. (1) ? =
6255.22
18.5 21.4´
= 15.8
6. (2) ? =
202 259 78
2.75
37 52 7
´ ´ + = 303 + 2.75 = 305.75
7. (5) ( )2
33124 2601 83´ - = ?2 + (37)2
Þ 182 × 51 – 6889 = ?2 + 1369
Þ 2393 = ?2 + 1369
Þ ?2 = 2393 – 1369 = 1024
Þ ? = 1024 = 32
8. (2) ? =
4444 645
3991 26
40 25
+ + ¸
= 111.1 + 25.8 + 153.5 = 290.4
9. (1) ? = ( )2
6 7 12 7 19´ -
= 504 – 361 = 143
10. (4) 4003 (70 + 7) – 21015 = ? × 116
Þ 280210 + 28021 – 21015 = ? × 116
Þ 287216 = ? × 116
Þ ? = 287216 ÷ 116 = 2476
HINTS & SOLUTIONS
.ANSWER KEY.
1. (4) 2. (3) 3. (4) 4. (2) 5. (1) 6. (2)
7. (5) 8. (2) 9. (1) 10. (4) 11. (4) 12. (2)
13. (3) 14. (5) 15. (4) 16. (5) 17. (3) 18. (1)
19. (5) 20. (3) 21. (1) 22. (4) 23. (3) 24. (2)
25. (1)
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3. 3
CAREER POWER
CAREER POWER, G-7, Roots Tower, Laxmi Nagar, District Centre, Delhi-92, www.careerpower.in
Chapterwise Bank PO Quantitative Aptitude
11. (4) 49 + 81 – 64 = ? – 21
Þ 66 = ? – 121
Þ ? = 121 + 66 = 187
12. (2) ? × 57 = 1767
Þ ? =
1767
57
= 31
13. (3)
150 32 ? 53
100 100
´ ´
´ = 7632
Þ
48 53 ?
100
´ ´
= 7632
Þ ? =
7632 100
48 53
´
´
= 300
14. (5) ? = 4095 ×
8 2 1
3 7 5
´ ´ = 624
15. (4) ? = 1001 +
96
10
= 1001 + 6 = 1007
16. (5) ? = 2 +
13 4
17 17
+ = 2 +
17
17
= 2 + 1 = 3
17. (3) ? = 4431 + 431 – 31 = 4831
18. (1) ? =
504.14
14 13´
= 2.77
19. (5)
586 43
100
´
= 341.2 – ?
Þ 251.98 = 341.2 – ?
Þ ? = 341.2 – 251.98 = 89.22
20. (3) (83)2.73 ÷ (83)1.4 × (83)46.8 = (83)31.9 + ?
Þ (83)27.3 – 1.4 ÷ 46.8 = (83)31.9 + ?
Þ (83)72.7 = (83)31.9 + ?
Þ ? + 31.9 = 72.7
Þ ? = 72.7 – 31.9 = 40.8
21. (1)
21.6 21.6
7.2 7.2
´
´
× ? = 207.27
Þ 9 × ? = 207.27
Þ ? =
207.27
9
= 23.03
22. (4)
64 272 ? 1129
100 100
´ ´
+ = 576 + 83.55
Þ 174.08 +
? 1129
100
´
= 659.55
Þ ? =
1129
100
= 659.55 – 174.08 = 485.47
Þ ? =
485.47 100
1129
´
= 43
23. (3)
5 51
17 100
´ × 864 = ? 73.96+
Þ
12960
? 8.6
100
= +
Þ 129.6 – 8.6 = ? Þ ? = 121
Þ ? = 121 × 121 = 14641
24. (2)
2
3 3
3
9 12996
62510
æ ö
ç ÷ +
ç ÷
è ø
= ? × 10–2
Þ
2
9 114
10 25
æ ö
+ç ÷
è ø
= ? × 10–2
Þ
81 114 ?
100 25 100
+ =
Þ
81 456 ?
100 100
+
=
Þ
537
100
=
?
100
Þ ? = 537
25. (1) ? =
3
3
9 9 9 8 3
15 812 12 12
´ ´
´ ´
´ ´
=
9 9 3
12 15 8
´ ´
Þ
3
20
= 0.15
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