Two trains are running at 40 kmph and 20 kmph respectively in the same direction.Fast train completely passes a man sitting in the slower train in 8 seconds.What is the length of the fast train?	Options.
A) 23 m	B) 23 2/9 m	C) 47m	D) 37 7/9m	E) 44 4/9 m
relative speed=20kmph=50/9m/sec   length of the train=50/9*8=44 4/9 m   ANSW44 4/9 mR:44 4/9 m
<result>E</result>
Two trains are running at 40 kmph and 20 kmph respectively in the same direction.Fast train completely passes a man sitting in the slower train in 8 seconds.What is the length of the fast train?