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# Math Talino

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CACPRISAA Math Quiz Contest 2007 by Teknix and Review Masters

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### Transcript of "Math Talino"

2. 2. Grade One Easy (15 sec / 1 pt) What is 45 increased by 9 + 17? A. 19 B. 26 C. 45 D. 71
3. 3. Grade One Average (30 sec / 2 pts) 1. What is the largest 3-digit number?
4. 4. Grade One Average (30 sec / 2 pts) 2. Write 4 tens, 7 ones and 9 hundreds in symbols.
5. 5. Grade One Difficult (60 sec / 3 pts) 1. Vince had P23.00. His mother gave him P18.00 and his father gave him P29.00. How much money had Vince then?
6. 6. Grade One Difficult (60 sec / 3 pts) 2. One Saturday morning, Aiko woke up at 6:15. She did her usual morning routine: She took a bath, ate her breakfast and brushed her teeth. She finished at 8:00. How many minutes in all did she spend in her morning routine?
7. 7. Grade One Difficult (60 sec / 3 pts) 3. I am a 2-digit number. The sum of my digits is 9. My ones digit is 3 more than my tens digit. Who am I?
8. 8. Grade One Clincher Round (60 sec) 1. Leo bought 47 bananas; Randy bought 19 bananas. How many more bananas did Leo buy than Randy?
9. 9. Grade One Clincher Round (60 sec) 2. How many months are there in 3 ½ years?
10. 10. Grade One Clincher Round (60 sec) 3. Isay can save P25.00 in a day. How much can she save in 7 days?
11. 11. Grade One Clincher Round (60 sec) 4. On Monday, Sandra solved 34 math problems. She solved 15 more math problems on Tuesday than on Monday. How many math problems did she solve on two days?
12. 12. Grade One Clincher Round (60 sec) 5. A square blackboard is 6 feet on each side. What is its perimeter?
14. 14. Grade Two Easy (15 sec / 1 pt) Which of the following is a prime number? A. 73 B. 74 C. 75 D. 77
15. 15. Average (30 sec / 2 pts) 1. How many hundreds are there in 2,537? Grade Two
16. 16. Average (30 sec / 2 pts) 2. What is thrice 17 increased by 9? Grade Two
17. 17. Difficult (60 sec / 3 pts) 1. Crizel bought 2 ¼ dozens of apples. How many apples did she buy? Grade Two
18. 18. Difficult (60 sec / 3 pts) 2. Mark has 130 marbles. He has several boxes. Seven marbles can fill each box. How many boxes can Mark fill with his marbles? Grade Two
19. 19. Difficult (60 sec / 3 pts) 3. I am thinking of a number. If I add 28 to it, the sum is equal to 9 x 13. What is my number? Grade Two
20. 20. Clincher Round (60 sec) 1. How many weeks are there in 343 days? Grade Two
21. 21. Clincher Round (60 sec) 2. A clown in a carnival had 36 balloons. He gave 1/3 of them in the morning. He gave ½ of those remained in the afternoon. How many balloons were left? Grade Two
22. 22. Clincher Round (60 sec) 3. How many prime numbers are there between 30 and 40? Grade Two
23. 23. Clincher Round (60 sec) 4. Add: 375 + 249 + 168. Grade Two
24. 24. Clincher Round (60 sec) 5. What is 49 in Roman Numerals? Grade Two
26. 26. Grade Three Easy (15 sec / 1 pt) If September 15 is Saturday, What day is September 23? A. Friday C. Sunday B. Saturday D. Monday
27. 27. Average (30 sec / 2 pts) 1. By what can 85 be decreased to make it 37? Grade Three
28. 28. Average (30 sec / 2 pts) 2. How many 5-peso coins equal P200-bill? Grade Three
29. 29. Difficult (60 sec / 3 pts) 1. A box is 10 cm long, 8 cm wide and 6 cm high. What is its volume? Grade Three
30. 30. Difficult (60 sec / 3 pts) 2. Jun and Rey went to see a movie. It lasted for 1 hour and 45 minutes. It ended at 9:15pm. What time did the movie begin? Grade Three
31. 31. Difficult (60 sec / 3 pts) 3. Elma has a picture album. She puts 8 pictures in each page. If 19 pages are full and there are 5 pictures on the 20th page, how many pictures are in her album? Grade Three
32. 32. Clincher Round (60 sec) 1. The park is 50 meters long and 35 meters wide. If you walk around it twice, how many meters will that be? Grade Three
33. 33. Clincher Round (60 sec) 2. What is the sum of the first ten counting numbers? Grade Three
34. 34. Clincher Round (60 sec) 3. I am thinking of two factors of 60 whose sum is 17. What are the two factors? Grade Three
35. 35. Clincher Round (60 sec) 4. Given the digits 2, 5, 7, and 9. What is the difference between the largest and smallest 4-digit numbers that can be formed from the given digits? Grade Three
36. 36. Clincher Round (60 sec) 5. Ian has a P1000-bill, two P500-bills, three P100-bills, four P50-bills and five P20-bills in his wallet. How much money has he in his wallet? Grade Three
38. 38. Grade Four Easy (15 sec / 1 pt) What is the greatest common factor of 22 and 55? A. 11 B. 22 C. 55 D. 110
39. 39. Average (30 sec / 2 pts) 1. Fill in the blank with a digit to make 76,98__ divisible by 9. Grade Four
40. 40. Average (30 sec / 2 pts) 2. Round off 3,689 and 765 to the nearest hundreds and then find their difference. Grade Four
41. 41. Difficult (60 sec / 3 pts) 1. The perimeter of an isosceles triangle is 68 cm. If the base is 29 cm long, how long is each of the equal sides? Grade Four
42. 42. Difficult (60 sec / 3 pts) 2. Vicky got scores of 91, 90, 85 and 90. What was her average score? Grade Four
43. 43. Difficult (60 sec / 3 pts) 3. How many 0.25-kg bags of rice can be filled from a 50-kg bag? Grade Four
44. 44. Clincher Round (60 sec) 1. The area of a rectangle is 42 sq cm. If one side of the rectangle is 3 cm, what is its perimeter? Grade Four
45. 45. Clincher Round (60 sec) 2. How many thousandths are there in 3.03? Grade Four
46. 46. Clincher Round (60 sec) 3. What is the least common multiple of 72 and 108? Grade Four
47. 47. Clincher Round (60 sec) 4. Joan bought half dozen of doughnuts at P180 per dozen and 5 cans of juice at P15 per can. How much did she spend in all? Grade Four
48. 48. Clincher Round (60 sec) 5. A can of paint is needed for 50 sq m of wall. If a wall is 40 meters long and 3.75 meters high, how many cans of paint must be bought? Grade Four
50. 50. Grade Five Easy (15 sec / 1 pt) If 6:7 = 42:x, what is x? A. 36 B. 43 C. 49 D. 56
51. 51. Average (30 sec / 2 pts) 1. Multiply: 5 5/6 x 5 1/7. Grade Five
52. 52. Average (30 sec / 2 pts) 2. Round off to the nearest thousands and estimate the sum of: 34,569 + 22,437 + 58,621. Grade Five
53. 53. Difficult (60 sec / 3 pts) 1. Lorna bought two blouses at P115.75 each and two pairs of socks at P32.50 a pair. If she gave a P1,000-bill to the cashier, how much change did she get? Grade Five
54. 54. Difficult (60 sec / 3 pts) 2. Denji’s grades in his first four tests in math are 92, 91, 89, and 88. What must his score in the fifth test be so that his average in the five tests is 90? Grade Five
55. 55. Difficult (60 sec / 3 pts) 3. The ratio of the angles of a triangle is 2:3:4. What is the measure of the largest angle of this triangle? Grade Five
56. 56. Clincher Round (60 sec) 1. During a sale, Alex bought a pair of pants marked P475. If he got a discount of 12%, how much did he pay for it? Grade Five
57. 57. Clincher Round (60 sec) 2. The scale of a map is 1/4 inches for 30 km. If two towns are 210 km apart, how far apart are they in the map? Grade Five
58. 58. Clincher Round (60 sec) 3. Mito multiplied a certain number by 25 on a calculator when he should have divided it by 25. He got the answer 9,375. What should have been the correct answer? Grade Five
59. 59. Clincher Round (60 sec) 4. A box is 2 meters long, 2 meters wide and 1 meter high. How many pieces of plastic containers, 25 cm by 25 cm by 40 cm, can be placed in the box? Grade Five
60. 60. Clincher Round (60 sec) 5. Angel bought 3 apples for P37.50. At the same rate, how much would one and a half dozens cost? Grade Five
62. 62. Grade Six Easy (15 sec / 1 pt) What is a multiple of 80 closest to 995? A. 800 B. 960 C. 980 D. 1040
63. 63. Average (30 sec / 2 pts) 1. Write 0.45454545... as a ratio of two whole numbers in lowest term. Grade Six
64. 64. Average (30 sec / 2 pts) 2. What is the next term in this sequence: 1, 4, 10, 19, 31, 46, ____ ? Grade Six
65. 65. Difficult (60 sec / 3 pts) 1. The height of a 6-year old boy is about 6 times the distance from the bottom of his chin to the top of is head. The height of an adult man is about 8 times this distance. The distance on a certain man was 22 cm. On a boy it was 19 cm. How much taller was the man? Grade Six
66. 66. Difficult (60 sec / 3 pts) 2. Kasaysayan Integrated School has an average of 28 students per class. It has 20 classes. The number of students in Kalayaan Academy, Kalikasan Institute and Karunungan Montessori are 614, 555 and 598, respectively. How much greater is the average number of students in these three schools than the number of students in Kasaysayan Integrated School? Grade Six
67. 67. Difficult (60 sec / 3 pts) 3. How many terms would be in the set of numbers below: {4, 13, 22, 31, . . . , 400}? Grade Six
68. 68. Clincher Round (60 sec) 1. A person’s hair grows about 15 cm each year. A child’s hair was 31 cm long on her fourth birthday. She cut off 5 cm of hair on her fifth birthday and 7 cm on her seventh birthday. How long was her hair on her ninth birthday? Grade Six
69. 69. Clincher Round (60 sec) 2. Five girls ran in a 100-m dash. Lia finished ahead of Ophel, and Ophel was not last. Gem finished far ahead of Ophel, and Laya finished just behind Gem. If Missy finished last, which girl finished next to last? Grade Six
70. 70. Clincher Round (60 sec) 3. The sum of the digits of a three-digit number is 17. The tens digit of the number is two-thirds of the hundreds digit and the hundreds digit is four and a half times the units digit. Find the number. Grade Six
71. 71. Clincher Round (60 sec) 4. Rica is now twice as old as Mike but 6 years ago she was 5 times as old as he was. How old is Rica now? Grade Six
72. 72. Clincher Round (60 sec) 5. A jar contains 10 red marbles and 30 green ones. How many red marbles must be added to the jar so that 60% of the marbles will be red? Grade Six
73. 73. First Year
74. 74. First Year – Elementary Algebra Easy (15 sec / 1 pt) Eric has 12 Los Angeles Lakers basketball cards. Randy has 3 times as many Lakers cards as Eric. Paul has 16 fewer Lakers cards than Randy. Which of these expressions could correctly represent how many Los Angeles Lakers basketball cards Paul has? A. 16 – (3 x 12) C. (3 x 16) – 12 B. 3 x (16 – 12) D. (12 x 3) – 16
75. 75. Average (30 sec / 2 pts) 1. The ordered pair of point A is now (2,2). What is the new ordered pair if point A is moved 5 units to the left and 3 units up? First Year – Elementary Algebra
76. 76. Average (30 sec / 2 pts) 2. Find the value of the variable y. x – y = y x = 8 First Year – Elementary Algebra
77. 77. Difficult (60 sec / 3 pts) 1. A test is composed of 25 questions. The score of an examinee is obtained by giving him 4 points for each correct answer and subtracting 1 point for each wrong answer. If an examinee answered all the questions and obtained a score of 70, how many questions did he answer correctly? First Year – Elementary Algebra
78. 78. Difficult (60 sec / 3 pts) 2. A man wants to cover a distance by car in 20% less time than he usually takes. By what percent must he increase his driving speed? First Year – Elementary Algebra
79. 79. Difficult (60 sec / 3 pts) 3. The average of a set of numbers is 22. If 29 is included in the set, the new average becomes 23. How many numbers are in the original set? First Year – Elementary Algebra
80. 80. Clincher Round (60 sec) 1. The sum of the ages of Pete and Alice is 34 years. The product of their ages is 264. If Pete is older than Alice, how old is he in years? First Year – Elementary Algebra
81. 81. Clincher Round (60 sec) 2. It takes 40 minutes for Jack to clean the yard, and Jill 60 minutes to do it. One morning Jack started cleaning their yard. After 20 minutes Jill joined him. In how many minutes after Jill joined Jack will the cleaning of the yard be finished? First Year – Elementary Algebra
82. 82. Clincher Round (60 sec) 3. The sum of the digits of a two-digit number is 7. If 9 is added, the resulting number has the same digits as the original but in the reverse order. Determine the product of the digits. First Year – Elementary Algebra
83. 83. Clincher Round (60 sec) 4. Neb spent ½ of his earnings last month for living expenses and saved 1/3 of the remainder. Of his earnings last month, Neb paid twice as much in taxes as he saved. If Neb saved P6,000 of his earnings last month, how much did Neb earned last month? First Year – Elementary Algebra
84. 84. Clincher Round (60 sec) 5. A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 80 percent of the remaining rolls were sold between noon and closing time. How many dozen rolls had not been sold when the bakery closed yesterday? First Year – Elementary Algebra
85. 85. Second Year
86. 86. Second Year – Intermediate Algebra Easy (15 sec / 1 pt) If p/q < 1, and p and q are positive integers, which of the following must be greater than 1? A. p/q 2 C. q/p 2 B. p/2q D. q/p
87. 87. Average (30 sec / 2 pts) 1. a/b = 5/8 and the greatest common factor of a and b is 1. If a and b are positive integers, what is the value of a + b? Second Year – Intermediate Algebra
88. 88. Average (30 sec / 2 pts) 2. If (x 2 + 6x + 9) + 6(x + 3) + 9 = 0, then x = ____. Second Year – Intermediate Algebra
89. 89. Difficult (60 sec / 3 pts) 1. In a school canteen, the average revenue was P4,000 a day over a 10-day period. During this period, if the average daily revenue was P3,600 for the first 6 days, what was the average daily revenue for the last 4 days? Second Year – Intermediate Algebra
90. 90. Difficult (60 sec / 3 pts) 2. If the operation © is defined by x © y = √xy for all positive numbers x and y, then (5 © 45) © 60 = ____. Second Year – Intermediate Algebra
91. 91. Difficult (60 sec / 3 pts) 3. If y is an integer, what is the least possible value of │23 – 5y│? Second Year – Intermediate Algebra
92. 92. Clincher Round (60 sec) 1. If the sum of two positive integers is 24 and the difference of their squares is 48, what is the product of the two integers? Second Year – Intermediate Algebra
93. 93. Clincher Round (60 sec) 2. In a class of 30 students the average on a certain test is p. If the teacher decides to raise each grade 10 points, what will the new average be? Second Year – Intermediate Algebra
94. 94. Clincher Round (60 sec) 3. In a certain sequence, the first term is 1, and each successive term is 1 more than the reciprocal of the term that immediately precedes it. What is the fifth term of the sequence? Second Year – Intermediate Algebra
95. 95. Clincher Round (60 sec) 4. x is a positive integer. x divided by 100 has a remainder of 30. x divided by 110 has a remainder of 30. What is the tens digit of x? Second Year – Intermediate Algebra
96. 96. Clincher Round (60 sec) 5. How many integers n are there such that 1 < 5n + 5 < 25? Second Year – Intermediate Algebra
97. 97. Third Year
98. 98. Third Year – Geometry Easy (15 sec / 1 pt) In the figure, line l 1 is parallel to line l 2 . y = 50 and z =130. What is the value of x? A. 30 C. 50 B. 40 D. 130 z o y o x o l 2 l 1
99. 99. Average (30 sec / 2 pts) 1. In the figure, how many of the points on line segment PQ have coordinates that are both integers? Third Year – Geometry P (0, 30) Q(50, 0) y O x
100. 100. Average (30 sec / 2 pts) 2. The dimensions of a rectangular floor are 16 feet by 20 feet. When a rectangular rug is placed on the floor, a strip of floor 3 feet wide is exposed on all sides. What are the dimensions of the rug, in feet? Third Year – Geometry
101. 101. Difficult (60 sec / 3 pts) 1. The volume of a sphere with radius r is (4/3) π r 3 and the surface area is 4 π r 2 . If a spherical balloon has a volume of 972 π cubic centimeters, what is the surface area of the balloon in square centimeters? Third Year – Geometry
102. 102. Difficult (60 sec / 3 pts) 2. A square playground has the same area as a rectangular playground that is 30 meters longer but 20 meters narrower. What is the length, in meters, of a side of the square playground? Third Year – Geometry
103. 103. Difficult (60 sec / 3 pts) 3. In Δ ABC, what is x in terms of z? Third Year – Geometry 37 o B A z o x o C 70 o
104. 104. Clincher Round (60 sec) 1. In the figure,  2 is complementary to  3, and m  1 = 141  . What is m  7? Third Year – Geometry 1 2 3 4 5 6 7 8
105. 105. Clincher Round (60 sec) 2. If ABCD is a parallelogram,  ADC = 45  ,  BEF = 90  , BE = 1, BF = ? Third Year – Geometry A D C B E F 45 
106. 106. Clincher Round (60 sec) 3. Each of the circles A, B, and C are tangent to the other two. AB = 7, AC = 9 and BC = 10. What is the radius of circle C? Third Year – Geometry C A B
107. 107. Clincher Round (60 sec) 4. Adelle wants to put up fencing around three sides of her rectangular yard and leave a side of 20 feet unfenced. If the yard has an area of 680 square feet, how many feet of fencing does she need? Third Year – Geometry
108. 108. Clincher Round (60 sec) 5. The cost of a gold paint needed to cover a cube of edge 3 centimeters is P240. At the same cost per square centimeter, what is the cost of gold paint needed to cover the surface of a cube of edge 6 centimeters? Third Year – Geometry
109. 109. Fourth Year
110. 110. Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra) Easy (15 sec / 1 pt) A retail appliance store priced a video recorder at 20 percent above the wholesale cost of P2,000. If a store employee applied the 10 percent employee discount to the retail price to buy the recorder, how much did the employee pay for the recorder? A. P1,900 C. P2,200 B. P2,160 D. P2,300
111. 111. Average (30 sec / 2 pts) 1. Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the study group is to be selected at random, what is the probability that the member selected is a woman lawyer? Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
112. 112. Average (30 sec / 2 pts) 2. If x = y + 4 and x = 20 – y, then what is the value of x 2 – y 2 ? Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
113. 113. Difficult (60 sec / 3 pts) 1. If tan (3  - 10 o ) = cot (4  - 5 o ), then  = ______. Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
114. 114. Difficult (60 sec / 3 pts) 2. The sum of the squares of two numbers is 225 and the square of their sum is 441. What is the reciprocal of their product? Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
115. 115. Difficult (60 sec / 3 pts) 3. Twelve persons gather in a room for a meeting. Before the meeting begins, each person shakes hands with every other person in the room exactly once. How many handshakes is there altogether before the meeting begins? Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
116. 116. Clincher Round (60 sec) 1. If log 10 x + log 10 8 = log 10 16, then x is equal to ____. Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
117. 117. Clincher Round (60 sec) 2. After successive discounts of 15 percent and 10 percent have been allowed on the marked price of a certain article, the net price is P306. What is the marked price? Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
118. 118. Clincher Round (60 sec) 3. Violy, Lea and Randy each try independently to solve a problem. If their individual probabilities for success are ¼, ½ and 5/8 respectively, what is the probability that Violy and Lea, but not Randy will solve the problem? Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
119. 119. Clincher Round (60 sec) 4. For the positive numbers n, n + 1, n + 2, n + 4, and n + 8, the mean is how much greater than the median? Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
120. 120. Clincher Round (60 sec) 5. A window washer places a 25-foot ladder against the side of a building that is perpendicular to level ground. Initially, the bottom of the ladder is 7 feet from the base of the building. If the window washer wants the top of the ladder to be 4 feet lower, how many feet farther from the base of the building must he move the bottom of the ladder? Fourth Year (Trigonometry, Statistics, Business Math and Advance Algebra)
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