CBSE Class 6 Maths Prime Time (Class 6 NCERT New) Quiz 3

1. Which number is divisible by both 2 and 3?

A 14 B 18 C 25 D 35

2. The prime factors of 36 are:

A 2 and 3 B 2 and 6 C 3 and 6 D 4 and 9

3. Which of the following is not a prime number?

A 31 B 37 C 41 D 51

4. The product of two co-prime numbers is 35. One number is 5. The other number is:

A 6 B 7 C 8 D 10

5. Which number has the greatest number of factors?

A 12 B 13 C 17 D 19

6. A common factor of 18 and 24 is:

A 5 B 7 C 6 D 11

7. Which of the following is a prime factorization of 30?

A 2 × 3 × 5 B 2 × 15 C 3 × 10 D 5 × 6

8. The LCM of two co-prime numbers is:

A 1 B Their sum C Their product D Their difference

9. Which statement is true?

A Every even number is prime B 2 is the only even prime number C 1 is a prime number D All odd numbers are prime

10. If a number is a multiple of both 4 and 6, which of the following must it also be a multiple of?

A 8 B 10 C 12 D 24