Question

What is square root of 625?

Answer 1

`25`

Explanation:

Square root of `625= 25` because root `625` can also written as root `25^2` . The the square and root will get cancelled . so the answer is `25`.

Answer 2

Whenever you have to find the square root of something.. and the last two digits are `25` you should remember by looking at it that the ones digit of the square root is `5`... so we know that the ones digit is `5` and it obviously isn't just `5` as we all know that `5^2=25`
`15^2=225`
`25^2=625` it's what we needed