Train A traveling at 63 kmph can cross a platform 199.5 m long in 21 s – McqOptions

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1.	Train A traveling at 63 kmph can cross a platform 199.5 m long in 21 seconds. How much would train A take to completely cross (from the moment they meet ) train B, 157 m long and traveling at 54 kmph in opposite direction which train A is traveling? (in seconds)%!
A.	16
B.	18
C.	12
D.	10
Answer» E.

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