How long will a boy take to run round a square field of side 35 metres – InterviewSolution

1.

How long will a boy take to run round a square field of side 35 metres, if he runs at the rate of9 km/h?

Answer»

Perimeter of the square field=(35×4)m=140 m

Speed=9 km/h=2.5 m/s∴Time taken to cover the perimeter=perimeter/speed=140/2.5=56 secs

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