320 m long train is running at 72 Kmph. how much time it will take – McqOptions

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1.	320 m long train is running at 72 Kmph. how much time it will take to cross a platform of 180m long?
A.	25 sec.
B.	30 sec.
C.	35 sec.
D.	40 sec.
Answer» B. 30 sec.

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