A train can cross a pole in 45 seconds. The speed of the train is 72 km/h. If the speed of the train is 54 km/h, then how much time will it take to cross pole by the train?

A train can cross a pole in 45 seconds. The speed of the train is 72 k

1.	A train can cross a pole in 45 seconds. The speed of the train is 72 km/h. If the speed of the train is 54 km/h, then how much time will it take to cross pole by the train?
A.	50 sec
B.	40 sec
C.	60 sec
D.	70 sec
E.	80 sec
Answer» D. 70 sec

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A train can cross a pole in 45 seconds. The speed of the train is 72 km/h. If the speed of the train is 54 km/h, then how much time will it take to cross pole by the train?

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