CBSE Class 6 Maths Prime Time (Class 6 NCERT New) Quiz 6

1. 2 is a ______ number.

A composite B even C prime D both B and C

2. Which is a prime factor of 45?

A 2 B 3 C 5 D Both B and C

3. Which of these numbers is divisible by 6?

A 18 B 25 C 30 D A and C

4. The number 64 can be written as prime factors:

A 2 × 32 B 2⁶ C 4 × 16 D 8 × 8

5. Which test is used to check divisibility by 3?

A Last digit is even B Number ends in 0 C Sum of digits divisible by 3 D Last digit divisible by 3

6. Which test is used to check divisibility by 5?

A Last digit is 0 or 5 B Number ends in 2 C Sum of digits divisible by 5 D Last digit is even

7. Which test is used to check divisibility by 9?

A Last digit divisible by 9 B Ends with 9 C Sum of digits divisible by 9 D Number even

8. Which number is divisible by both 2 and 5?

A 30 B 45 C 75 D 40

9. Which number is divisible by 11?

A 143 B 132 C 99 D All of these

10. 2 × 3 × 5 is the prime factorization of:

A 15 B 20 C 25 D 30