If a train running at the speed of 30 m/sec crosses a pole in 18 sec less than the time it requires to cross a platform 4 times its length at the same speed, then the length of the train is:

If a train running at the speed of 30 m/sec crosses a pole in 18 sec l

1.	If a train running at the speed of 30 m/sec crosses a pole in 18 sec less than the time it requires to cross a platform 4 times its length at the same speed, then the length of the train is:
A.	125 m
B.	145 m
C.	135 m
D.	115 m
Answer» D. 115 m

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If a train running at the speed of 30 m/sec crosses a pole in 18 sec less than the time it requires to cross a platform 4 times its length at the same speed, then the length of the train is:

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