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