A 415 m long train is running at 63 km/h. In how much times will it cross a tunnel 285 m long ?

A 415 m long train is running at 63 km/h. In how much times will it cr

1.	A 415 m long train is running at 63 km/h. In how much times will it cross a tunnel 285 m long ?
A.	45sec
B.	52 sec
C.	2 min
D.	40 sec
Answer» E.

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A 415 m long train is running at 63 km/h. In how much times will it cross a tunnel 285 m long ?

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