NCERT Class 7 Maths Chapter 6 Number Play MCQ Questions with Answers

Class 7 Maths Chapter 6 MCQs

1. A prime number has:
A. One factor
B. Two factors
C. Three factors
D. Four factors
Answer: B

2. Which of the following is a prime number?
A. 21
B. 27
C. 37
D. 49
Answer: C

3. Which is the only even prime number?
A. 1
B. 2
C. 4
D. 6
Answer: B

4. The prime factorization of 24 is:
A. 2 × 2 × 2 × 3
B. 2 × 12
C. 3 × 8
D. 4 × 6
Answer: A

5. The HCF of 18 and 24 is:
A. 4
B. 6
C. 8
D. 12
Answer: B

6. The LCM of 12 and 18 is:
A. 24
B. 30
C. 36
D. 48
Answer: C

7. A number divisible by both 2 and 5 always ends with:
A. 2
B. 4
C. 5
D. 0
Answer: D

8. Is 252 divisible by 9?
A. Yes
B. No
C. Cannot be determined
D. Only by estimation
Answer: A

9. Which of the following is a composite number?
A. 13
B. 17
C. 25
D. 29
Answer: C

10. The HCF of two co-prime numbers is:
A. 0
B. 1
C. 2
D. Their product
Answer: B

11. The LCM of two co-prime numbers is:
A. 1
B. Their sum
C. Their product
D. Their difference
Answer: C

12. Which of the following is divisible by 3?
A. 125
B. 342
C. 418
D. 701
Answer: B

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

14. Which method is commonly used to find the HCF and LCM?
A. Prime factorization
B. Estimation only
C. Graph method
D. Measurement method
Answer: A

15. Prime factorization is mainly used to find:
A. Perimeter
B. Area
C. HCF and LCM
D. Angles only
Answer: C