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 8 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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