Question

Find the smallest number by which 1575 should be multiplied so as to get a perfect square.
Also find the square root of the number so obtained.​

Answer 1

Answer:

Correct option is A - 7

Given number is 1575 first we write it as the product of prime factors

3 1575

3 525

5 175

5 35

7 7

1

∴ 1575=

3×3

×

5×5

×7

Clearly 7 has no pair so if we divide it by 7 then quotient become a perfect square