# Mathematics Class 6 NCERT Solutions: Chapter 3 Playing With Numbers Exercise 3.4-Part 1

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Q.1 Find the common factors of:

(a)

Answer: Factors of

Factors of

Common factors

(b)

Answer: Factors of

Factors of

Common factors

Q.2 Find the common factors of:

(a)

Answer: Factors of

Factors of

Factors of

Common factors of

(b)

Answer: Factors of

Factors of

Factors of

Common factors of and

Q.3 Find the first three common multiples of:

(a) and

Answer: Multiple of

Multiple of

Common multiples of

(b) and

Answer: (b) Multiple of

Multiple of

Common multiples of nd

Q.4 Write all the numbers less than 100 which are common multiples of 3 and 4.

Answer:

Multiple of

Common multiples of