Question

how many rounds a boy will take for runnning 500 m around a square field having side 25 m?

Answer 1

Here is your answer

side of the square is 25 m
Perimeter of the square = 4 x side
= 4 x 25
= 100 m
So The number of rounds Boy will take
$= \frac{500}{100} \\ = 5 \: rounds$
Hope it helps you