A train 450 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 the correct choice from the following:
A) 5 sec	B) 39 sec	C) 27 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 450 m at 50/3 m / sec = 450 *3/ 50= 
<gadget id="calculator">450 *3/ 50</gadget>
<output>27</output>
27 sec   Answer : 27 sec.
<result>C</result>
A train 450 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?