Question

1125 should be multiplied by which least number so that it becomes a perfect cube?
1. 5
2. 2 
3. 7
4. 3

Answer 1

Correct Answer - Option 4 : 3

Given:

Number = 1125

Calculation:

The number is 1125.

⇒ Factor of 1125 = 3 × 3 × 5 × 5 × 5

Here, we can see that one 3 is required in the factor for a perfect cube number.

∴ 3 is the number that should be multiplied by 1125 to become a perfect cube.