Question

Find the least number that is to be subtracted from 4000 to make it perfect square ​

Answer 1

So √4000 = 63.2…..

Round down to 63.

63^2 = 3,969

4000 - 3,969 = 31.

Answer: 31

Answer 2

√ 4000=63.24

∴ take 63 ² =3969

so subtract 4000-3969=31

hence the answer 31

MARK AS BRAINIST