1) Which of the following is a prime number? a) 12 b) 27 c) 35 d) 41 2) Find the even number greater than 30. a) 28 b) 25 c) 31 d) 32 3) The following are odd numbers except a) 25 b) 43 c) 78 d) 37 4) Which of the following are composite numbers? a) 31 b) 21 c) 11 d) 51 5) Which of the following are multiples of 6? a) 16 b) 36 c) 56 d) 86 6) Which of the following are not a multiples of 3? a) 24 b) 39 c) 64 d) 57 7) The following are prime numbers except a) 17 b) 57 c) 29 d) 73 8) Which of the following is not a factor of 18? a) 2 b) 3 c) 4 d) 6 9) ...is the smallest factor for all numbers. a) 0 b) 1 10) The following are composite numbers except a) 62 b) 49 c) 117 d) 61 11) Which of the following is not a factor of 56? a) 4 b) 6 c) 7 d) 14 12) 35 is not a/an ... a) prime number. b) odd number c) natural number d) multiple of 7. 13) Find the HCF of 12 and 16. a) 2 b) 4 c) 6 d) 8 14) Find the LCM of 18 and 24. a) 72 b) 3 c) 6 d) 12 15) Find the HCF of 27, 72 and 45. a) 3 b) 9 c) 27 d) 15 16) Which is the prime factor of 39? a) 1 b) 2 c) 13 d) 39 17) Find the LCM of 18, 30 and 54. a) 18 b) 90 c) 180 d) 270 18) 180  a) a prime number. b) an odd number. c) a factor of 18. d) a multiple of 18.

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