A number "p" exists such that it is the square of a number "q". If "p"> 400, "q" can be
29
Given: 'p' is the square of 'q'.
⇒ 'q' is the square root of 'p'
p>400
The square root of 400 is 20.
So if "p">400, its square root 'q' can be any number greater than 20.