1) Which of the following sets of numbers contains prime numbers ONLY?  a) 7, 9, 11, 13 b) 7, 11, 13, 15 c) 7, 11, 13, 17 2) The value of the 7 in the number 2739 a) 7 x 1000 b) 7 x 100 c) 7 x 10 3) In which of the following groups are the numbers arranged in ASCENDING (SMALLEST TO LARGEST) order? a) 7.01, 0.71, 0.701 b) 0.071, 0.71, 0.701 c) 0.071, 0.701, 0.71 4) The highest common factor (HCF) of 6, 12 and 18 is a) 3 b) 6 c) 36 5) The two prime factors of 18 are a) 2 and 3 b) 2 and 9 c) 3 and 6 6) P is an odd number and Q is an even number. Which of the following statements is always FALSE? a) The sum of P and Q is odd. b) The product of P and Q is even. c) The difference between P and Q is even. 7) Question 7 refers to the following diagram which shows the sale prices of 2 types of tops, labelled X and Y, that are on sale.(NB. the first top is X and the second Y)Shari buys 3 of Shirt X and 2 of Shirt Y. How much does she pay? a) $ 92 b) $105 c) $120 8) Mark has 12 pencils. Luke has twice as many pencils as Mark. David has 6 pencils fewer than Mark. How many pencils do they have altogether? a) 36 b) 42 c) 54 9) Question 9 refers to the following diagram which shows a rectangle that is divided into equal parts. The shaded part of the diagram, written in decimal form, is a) 0.375 b) 0.45 c) 0.5 10) Quotient is to divide as product is to _______________ a) add b) multiply c) subtract 11) The sum of 1/4 and 2/3 is a) 5/12 b) 3/7 c) 11/12 12) Question 12 refers to the following diagram which shows a square that is divided into equal parts.  Which of the following is equivalent to the fraction of the diagram that is shaded? a) 9/12 b) 4/12 c) 3/12 13) Question 13 refers to the following sequence. 5, 9, 13, 17, The missing number can be obtained by computing a) 4 x 5 + 1 b) 4 x 5 – 1 c) 4 x 6 + 1 14) The value of 2.2 + 0.51 + 12. 3 is   a) 19. 60 b) 15. 01 c) 14. 01 15) Jerry and Sue share mangoes in the ratio 1: 4. This means that a) Sue gets four more mangoes than Jerry. b) Sue gets four times as many mangoes as Jerry. c) Jerry gets four times as many mangoes as Sue. 16) Sandra, Zizi and Sanneth ran a relay in a total time of 32. 37 seconds. Sandra’s time was 14. 63 seconds and Zizi’s time was 8. 70 seconds. What was Sanneth’s time in seconds. a) 9.04 b) 17.74 c) 23.33 17) The fraction 3/4 written as a decimal number is a) 0.0075 b) 0.075 c) 0.75 18) If 25% of a number is 30, what is 40% of the same number? a) 12 b) 48 c) 120 19) Dad left 5 chocolate bars on the table. When he returned, 2 chocolate bars had melted. What percentage of the chocolate bars did NOT melt? a) 30% b) 40% c) 60% 20) $60 was shared between Kate and Kathy in the ratio 2:3. What was Kathy’s share? a) $24 b) $30 c) $36

Mathematics Review Exercise

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