How long will a boy take to run round a square field of side 55 meters, if he runs at the rate of 9km/hr?	Choose the correct option:
A) 88sec  B) 45sec  C) 1min  D) 32sec  E) 25sec
Speed = 9 km/hr = 9*5/18 = 5/2 m/sec   Distance = 55*4= 
<gadget id="calculator">55*4</gadget>
<output>220</output>
220m   Time taken= 220*2/5= 
<gadget id="calculator">220*2/5</gadget>
<output>88</output>
88sec   88secnswer is 88sec
<result>A</result>
How long will a boy take to run round a square field of side 55 meters, if he runs at the rate of 9km/hr?