1.

A train moving at the speed of 90km/h crosses a bridge in 30 seconds. Another train 60 m shorter moving at the speed of 54 km/hr crosses the same bridge. Find the time taken by second train to cross the bridge.

A. 46 seconds
B. 42 seconds
C. 44 seconds
D. 40 seconds
E. 48 seconds
Answer» B. 42 seconds


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