Finding Highest Common Factor (HCF) Quiz

🔢 Highest Common Factor (HCF) Quiz

Master Finding the Greatest Common Divisor

📋 Instructions: Find the Highest Common Factor (HCF) or Greatest Common Divisor (GCD) of the given numbers. The HCF is the largest number that divides all given numbers without remainder. Select the correct answer for each question.

1. What is the HCF of 12 and 18?

a) 3 b) 6 c) 9 d) 2

2. Find the HCF of 24, 36, and 48:

a) 6 b) 12 c) 8 d) 4

3. What is the HCF of 15 and 25?

a) 10 b) 5 c) 15 d) 3

4. Find the HCF of 42 and 56:

a) 7 b) 14 c) 21 d) 28

5. What is the HCF of 20, 30, and 40?

a) 5 b) 10 c) 20 d) 15

6. Find the HCF of 63 and 81:

a) 9 b) 18 c) 27 d) 3

7. What is the HCF of 16 and 24?

a) 4 b) 8 c) 12 d) 2

8. Find the HCF of 45, 60, and 75:

a) 5 b) 10 c) 15 d) 3

9. What is the HCF of 28 and 35?

a) 14 b) 7 c) 21 d) 5

10. Find the HCF of 72, 96, and 120:

a) 12 b) 18 c) 24 d) 36

This HTML quiz focuses specifically on finding the Highest Common Factor (HCF) of two or more whole numbers, with automatic scoring and detailed explanations for each question.