# PSEB 6th Class Maths Solutions Chapter 3 Playing with Numbers Ex 3.3

Punjab State Board PSEB 6th Class Maths Book Solutions Chapter 3 Playing with Numbers Ex 3.3 Textbook Exercise Questions and Answers.

## PSEB Solutions for Class 6 Maths Chapter 3 Playing with Numbers Ex 3.3

1. Find prime factors of the following numbers by factor tree method:

Question (i)
96
Solution: ∴ Prime factorisation of 96 = 2 × 2 × 2 × 2 × 2 × 3 Question (ii)
120
Solution: ∴ Prime factorisation of 120 = 2 × 2 × 2 × 3 × 5

Question (iii)
180.
Solution: ∴ Prime factorisation of 180 = 2 × 2 × 3 × 3 × 5

2. Complete each factor tree:

Question (i) Solution:  Question (ii) Solution: Question (iii) Solution:  3. Find the prime factors of the following numbers by division method:

Question (i)
420
Solution: ∴ 420 = 2 × 2 × 3 × 5 × 7

Question (ii)
980
Solution: ∴ 980 = 2 × 2 × 5 × 7 × 7

Question (iii)
225
Solution: ∴ 225 = 3 × 3 × 5 × 5 Question (iv)
150
Solution: ∴ 150 = 2 × 3 × 5 × 5

Question (v)
324
Solution: ∴ 324 = 2 × 2 × 3 × 3 × 3 × 3