## MCQ Questions for Class 6 Maths: Ch 3 Playing with Numbers

1. What are the numbers which have more than two factors called?
(a) Even numbers
(b) Prime numbers
(c) Composite numbers
(d) Odd numbers
â–º (c) Composite numbers

2.  If a number is divisible by 10, then which of the following can be its oneâ€™s digit?
(a) 2
(b) 3
(c) 4
(d) 0
â–º (d) 0

3. 901153 is divisible by ___.
(a) 3
(b) 5
(c) 11
(d) 7
â–º (c) 11

4. The sum of two odd and one even numbers is
(a) Even
(b) Prime
(c) Composite
(d) Odd
â–º (a) Even

5. Choose the maximum consecutive numbers less than 100 so that there is no prime number between them.
(a) 6
(b) 5
(c) 7
(d) 8
â–º (c) 7

6. If a number is divisible by 2 and 3 both then is divisible by
(a) 3
(b) 6
(c) 5
(d) 7
â–º (b) 6

7. Every ______ of a number is greater than or equal to that number.
(a) factor
(b) number
(c) multiple
(d) none to these
â–º (c) multiple

8. What are the numbers which are multiples of 2 called?
(a) Odd numbers
(b) Even numbers
(c) Prime numbers
(d) Composite numbers
â–º (b) Even numbers

9. The only prime number which is also even is
(a) 6
(b) 1
(c) 2
(d) 4
â–º (c) 2

10. What is the H.C.F. of two co-prime numbers?
(a) 1
(b) 0
(c) 2
(d) 4
â–º (a) 1

11. Every prime number except ______ is odd.
(a) 5
(b) 7
(c) 2
(d) 3
â–º (c) 2

12. Which of the following is the L.C.M. of 36 and 72?
(a) 36
(b) 72
(c) 108
(d) 2
â–º (b) 72

13. Which is the number that is neither prime nor composite?
(a) 0
(b) 1
(c) 2
(d) 5
â–º (b) 1

14. _____ is the factor of 68.
(a) 6
(b) 5
(c) 3
(d) 17
â–º (d) 17

15. Which of these numbers is a factor of every number?
(a) 0
(b) 1
(c) 2
(d) 4
â–º (b) 1

16. Which of the following is the prime factorisation of 140?
(a) 2 Ã— 2 Ã— 7
(b) 2 Ã— 2 Ã— 5
(c) 2 Ã— 2 Ã— 5 Ã— 7
(d) 2 Ã— 2 Ã— 5 Ã— 7 Ã— 3
â–º (c) 2 Ã— 2 Ã— 5 Ã— 7

17. Which of them is composite number?
(a) 6
(b) 5
(c) 7
(d) 3
â–º (a) 6

18. What is the H.C.F. of 120, 144 and 216?
(a) 38
(b) 24
(c) 120
(d) 144
â–º (b) 24

19. Find the HCF of 27, 63.
(a) 2
(b) 6
(c) 3
(d) 9
â–º (d) 9

20. Which of them is prime number?
(a) 3
(b) 6
(c) 9
(d) 8
â–º (a) 3

21. Number of factors of a given number are _______.
(a) finite
(b) infinite
(c) 3
(d) 2
â–º (a) finite

22. ______ is the smallest prime number which is even.
(a) 2
(b) 4
(c) 3
(d) 1
â–º (a) 2
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