1.

Train A which was travelling at 50 km/h crosses train B travelling in opposite direction in 15 seconds. If the length of train B is three times the length of A and the speed of train B was 58 km/h, then the length of train A(in m) is∶

A. 150
B. 112.5
C. 210
D. 124.5
Answer» C. 210


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