Question

Find the least multiple of 60 that is the perfect square ?
1. 600
2. 900
3. 3600
4. 360

Answer 1

Correct Answer - Option 2 : 900

Concept used :

Factorize the given number and make a pair of unpaired factors.

Solution :

Factorization of 60

⇒ 60 = 2 × 2 × 3 × 5

Make a pair of unpaired factors

⇒ Required number = (2 × 2) × (3 × 3) × (5 × 5)

∴ The required number is 900.