1.

 A man sitting in train A, Which is running at 32 km/h observes that an another train B, running in opposite direction, takes 15 seconds to pass him. If the length of train B is 250 m, find the speed o

A. 20 km/h
B. 25 km/h
C. 28 km/h
D. 30 km/h
Answer» D. 30 km/h


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