Madhya Pradesh Police Exam Model Paper 3

Question : 79 of 100

Marks: +1, -0

Find the least number to be multiplied to 540 to get a perfect square number.

Solution:

Given:
The given number is 540
Concept Used:
Concept of factorization of a number
Calculation:

Here

540 = 4 × 5 × 3 × 9

4 and 9 are perfect square number but 5 and 3 appears only once
That means we have to multiple 540 by 5 × 3 = 15 to obtain the required perfect square number
∴ The least number is 15 which need to multiply with 540 to get a perfect square number.

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