How long will a boy take to run round a square field of side 35 meter, if he runs at the rate of 9 km/hr?

How long will a boy take to run round a square field of side 35 meter, if he runs at the rate of 9 km/hr?

A 50 Sec

B 52 sec

C 54 sec

D 56 sec

Solution

Correct Answer: Option D