CBSE Class 6 Mathematics/Playing With Numbers – Chapter 3
MCQ/Multiple Choice Questions/MCQ

1. Which of the following is not a factor of 24?
   A. 2
   B. 12
   C. 20
2. Which of the following is not a multiple of 6?
   A. 30
   B. 33
   C. 36
3. Which of the following is a factor of every number?
   A. 0
   B. 1
   C. 2
4. A number for which sum of all its factors is equal to twice the number is called ————-
   A. Prime number
   B. Perfect number
   C. Composite number
5. Which is the smallest prime number which is even?
   A. 1
   B. 2
   C. 4
6. 3465 is divisible by ————
   A. 4
   B. 5
   C. 6
7. Which of the following is a factor of 68?
   A. 16
   B. 17
   C. 18
8. Which of the following is a composite number?
   A. 27
   B. 37
   C. 47
9. Which of the following is an odd number?
   A. 8231
   B. 3218
   C. 3182
10. Which is the only even prime number?
    A. 2
    B. 4
    C. 6
11. The greatest prime number between 90 and 100 is ———-
    A. 95
    B. 97
    C. 99
12. 166 is divisible by
    A. 2
    B. 3
    C. 5
13. Which of the following is not divisible by 4?
    A. 3232
    B. 8791
    C. 5784
14. The number of factors of a given number is —————
    A. Finite
    B. Infinite
    C. 10
15. The HCF of two co-prime numbers is ————–
    A. 0
    B. 1
    C. 2
16. The HCF of 12 and 15 is ———–
    A. 2
    B. 3
    C. 5
17. Which of the following is not divisible by 11?
    A. 61809
    B. 3080
    C. 5728
18. Which of the following is divisible by 6?
    A. 297144
    B. 61233
    C. 12159
19. Which of the following is the largest 2 digit prime number?
    A. 97
    B. 98
    C. 99
20. Numbers which have more than two factors is called —————-A. Prime numbers
    B. Composite numbers
    C. Co- prime numbers

ANSWERS:

1. 20
2. 33
3. 1
4. Perfect number
5. 2
6. 5
7. 17
8. 27
9. 8231
10. 2
11. 97
12. 2
13. 8791
14. Finite
15. 1
16. 3
17. 5728
18. 297144
19. 97
20. Composite numbers