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Question

A train travelling at the speed of 72 km/hr crosses another train, having 20 meters less length and travelling in opposite direction at the speed of 54 km/hr in 6 seconds. If the longer train crosses a platform in 16 seconds, then the shorter train will cross the same platform in how many seconds?

A 18 seconds

B 19 seconds

C 20 seconds

D 21 seconds

E 22 seconds

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