A train 250 m long is running at a speed of 68 kmph. How long does it take to pass a man who is running at 8 kmph in the same direction as the train?
Choose one: A) 5 sec B) 9 sec C) 12 sec D) 15 sec E) 18 sec
Speed of the train relative to man = (68 - 8) kmph   = (60* 5/18) m/sec = (50/3)m/sec   Time taken by the train to cross the man   = Time taken by It to cover 250 m at 50/3 m / sec   = 250 *3/ 50= 
<gadget id="calculator">250 *3/ 50</gadget>
<output>15</output>
15sec   Answer : 15 sec
<result>D</result>
A train 250 m long is running at a speed of 68 kmph. How long does it take to pass a man who is running at 8 kmph in the same direction as the train?