A train passes a man standing on the platform. If the train is 160 meters long and its speed is 72 kmph, how much time it took in doing so?  Pick:	A) 6 Â½ sec	B) 6 Â½ sec	C) 9 Â½ sec	D) 8 sec	E) 7 Â½ sec
8 sec   8 sec   8 sec = 160   S = 72 * 5/18= 
<gadget id="calculator">72 * 5/18</gadget>
<output>20</output>
20 mps   T= 160/20= 
<gadget id="calculator">160/20</gadget>
<output>8</output>
8 sec
<result>D</result>
A train passes a man standing on the platform. If the train is 160 meters long and its speed is 72 kmph, how much time it took in doing so?