A train 270 metres long is moving at a speed of 25 kmph. It will cross a man coming from the opposite direction at a speed of 2 km per hour in :  Choose the correct choice.
A) 30 sec  B) 32 sec  C) 36 sec  D) 38 sec  E) 40 sec
Relative speed = (25+2) km/hr = 27 km/hr   = (27×5/18) m/sec = 15/2 m/sec.   Time taken by the train to pass the man =(270×2/15) sec=36 sec   ANSWER :36 sec
<result>C</result>
A train 270 metres long is moving at a speed of 25 kmph. It will cross a man coming from the opposite direction at a speed of 2 km per hour in :