NCERT Class 7 Maths Part 2 Chapter 3 Finding Common Ground MCQ Questions with Answers

Class 7 Maths Part 2 Chapter 3 MCQs

1. HCF stands for:
A. Highest Common Factor
B. Highest Correct Fraction
C. Higher Common Formula
D. Highest Counting Figure
Answer: A

2. LCM stands for:
A. Least Common Method
B. Lowest Common Multiple
C. Least Common Multiple
D. Largest Common Measure
Answer: C

3. The HCF of 18 and 24 is:
A. 3
B. 4
C. 6
D. 12
Answer: C

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

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

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

7. Which method is commonly used to find HCF?
A. Prime factorization
B. Long division
C. Both A and B
D. Estimation only
Answer: C

8. The HCF of 20 and 30 is:
A. 5
B. 10
C. 15
D. 20
Answer: B

9. The LCM of 9 and 6 is:
A. 12
B. 18
C. 24
D. 54
Answer: B

10. Which of the following is always less than or equal to the given numbers?
A. LCM
B. HCF
C. Product
D. Sum
Answer: B

11. Which of the following is always greater than or equal to the given numbers?
A. HCF
B. Difference
C. LCM
D. Quotient
Answer: C

12. What is the HCF of 24 and 36?
A. 6
B. 8
C. 12
D. 18
Answer: C

13. Which of the following pairs are co-prime?
A. 8 and 12
B. 9 and 15
C. 7 and 8
D. 18 and 24
Answer: C

14. HCF and LCM are mainly used in:
A. Fractions and grouping problems
B. Drawing graphs only
C. Measuring angles only
D. Statistics only
Answer: A

15. For two positive numbers, the product of HCF and LCM is equal to:
A. Their sum
B. Their difference
C. The product of the two numbers
D. Their average
Answer: C