# CBSE NCERT Solutions for Class 6 Chapter 3

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**CBSE NCERT Solutions for Class 6 Maths Chapter 3:**

*Question-1*:

Express the following as the sum of two odd numbers:

(a) 44

(b) 36

(c) 24

(d) 18

*Solution*:

(a) 3+41=44

(b) 5+31=36

(c) 7+17=24

(d) 7+11=18

*Question-2*:

Give three pairs of prime numbers whose difference is 2.

*Solution*:

3 and 5; 5 and 7; 11 and 13

*Question-3*:

Which of the following numbers are prime:

(a) 23

(b) 51

(c) 37

(d) 26

*Solution*:

(a)23 , 23 has only two factors , 1 and 23 therefore , it is prime number.

(b) 51 has 1, 3, 17, 51, not prime number

(c) 37 has 1 and 37, it is prime number

(d) 26 has 1, 2, 13, 26, not prime number.

*Question-4*:

Write seven consecutive composite numbers less than 100 so that there is no prime number between them .

*Solution*:

90, 91, 92, 93, 94, 95, 96