Question

Train A whose length is 180m is crosses a man standing in the bridge in 4.5 seconds. Train B whose length is165 m, is running at a speed of 63 km/hr and moving in opposite direction to that of train
A. Find the time required for train A to cross train B?

A 8 sec
B 6 sec
C 9 sec
D 10 sec
E 12 sec
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