MCQ Playing with Numbers Chapter 3 Class 6 Maths

1. Which of the following numbers is not a factor of 68?

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Question 1 of 20

2. Which of the following numbers is not a factor of 36?

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Question 2 of 20

3. Which of the following numbers is not a factor of 15?

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Question 3 of 20

4. 1 is

a prime number

a composite number

neither prime nor composite

an even number.

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Question 4 of 20

5. The smallest odd number is

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Question 5 of 20

6. The least prime number between 1 and 10 is

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Question 6 of 20

7. Which of the following numbers is composite?

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Question 7 of 20

8. Which of the following statements is true?

The product of two even numbers is always even.

The sum of three odd numbers is even.

All prime numbers are odd.

Prime numbers do not have any factors.

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Question 8 of 20

9. 128 is divisible by

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Question 9 of 20

10. The greatest common factor of 8 and 20 is

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Question 10 of 20

11. The greatest common factor of 75,60 and 210 is

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Question 11 of 20

12. The LCM of 5 and 6 is

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Question 12 of 20

13. The HCF of 30 and 42 is

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Question 13 of 20

14. The smallest common factor of 4, 12 and 16 is

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Question 14 of 20

15. The HCF of 8 and 12 is

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Question 15 of 20

16. The LCM of 5 and 20 is

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Question 16 of 20

17. The common factor of 3, 4 and 9 is

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Question 17 of 20

18. Which of the following pairs of number are not co-prime?

7,15

12,49

18,23

12,21.

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Question 18 of 20

19. 1331 is divisible by

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Question 19 of 20

20. Which of the following numbers is prime?

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Question 20 of 20