# CBSE Class 6 Mathematics/Playing With Numbers – Chapter 3

MCQ/Multiple Choice Questions/MCQ

- Which of the following is not a factor of 24?

A. 2

B. 12

C. 20 - Which of the following is not a multiple of 6?

A. 30

B. 33

C. 36 - Which of the following is a factor of every number?

A. 0

B. 1

C. 2 - A number for which sum of all its factors is equal to twice the number is called ————-

A. Prime number

B. Perfect number

C. Composite number - Which is the smallest prime number which is even?

A. 1

B. 2

C. 4 - 3465 is divisible by ————

A. 4

B. 5

C. 6 - Which of the following is a factor of 68?

A. 16

B. 17

C. 18 - Which of the following is a composite number?

A. 27

B. 37

C. 47 - Which of the following is an odd number?

A. 8231

B. 3218

C. 3182 - Which is the only even prime number?

A. 2

B. 4

C. 6 - The greatest prime number between 90 and 100 is ———-

A. 95

B. 97

C. 99 - 166 is divisible by

A. 2

B. 3

C. 5 - Which of the following is not divisible by 4?

A. 3232

B. 8791

C. 5784 - The number of factors of a given number is —————

A. Finite

B. Infinite

C. 10 - The HCF of two co-prime numbers is ————–

A. 0

B. 1

C. 2 - The HCF of 12 and 15 is ———–

A. 2

B. 3

C. 5 - Which of the following is not divisible by 11?

A. 61809

B. 3080

C. 5728 - Which of the following is divisible by 6?

A. 297144

B. 61233

C. 12159 - Which of the following is the largest 2 digit prime number?

A. 97

B. 98

C. 99 - Numbers which have more than two factors is called —————-A. Prime numbers

B. Composite numbers

C. Co- prime numbers

ANSWERS:

- 20
- 33
- 1
- Perfect number
- 2
- 5
- 17
- 27
- 8231
- 2
- 97
- 2
- 8791
- Finite
- 1
- 3
- 5728
- 297144
- 97
- Composite numbers