Class 6 Maths Chapter 3 MCQs

1. Which of the following is a prime number?
A. 9
B. 15
C. 17
D. 21
Answer: C

2. Which of the following is a composite number?
A. 2
B. 3
C. 5
D. 12
Answer: D

3. The smallest prime number is:
A. 0
B. 1
C. 2
D. 3
Answer: C

4. Which number is divisible by 2?
A. 17
B. 23
C. 28
D. 35
Answer: C

5. Which number is divisible by both 2 and 3?
A. 18
B. 25
C. 35
D. 49
Answer: A

6. A number divisible by 5 always ends with:
A. 1 or 3
B. 2 or 4
C. 0 or 5
D. 6 or 8
Answer: C

7. Which of the following is an even number?
A. 27
B. 39
C. 44
D. 55
Answer: C

8. Which of the following is an odd number?
A. 18
B. 26
C. 40
D. 31
Answer: D

9. Which number has exactly two factors?
A. 1
B. 6
C. 11
D. 15
Answer: C

10. The factors of 12 are:
A. 1, 2, 3, 4, 6, 12
B. 1, 2, 6
C. 2, 3, 6
D. 1, 3, 9
Answer: A

11. Which number is a multiple of 9?
A. 28
B. 36
C. 41
D. 52
Answer: B

12. The smallest composite number is:
A. 1
B. 2
C. 3
D. 4
Answer: D

13. Which number is divisible by 10?
A. 47
B. 65
C. 90
D. 73
Answer: C

14. Which of the following is NOT a factor of 24?
A. 3
B. 6
C. 8
D. 11
Answer: D

15. A prime number has:
A. One factor
B. Two factors
C. Three factors
D. More than three factors
Answer: B