Question

A train whose speed is 40 m/s crosses a bridge in 20 seconds. Another train which is 80m shorter than the first train crosses the same bridge at the speed of 72 km/hr. Find the time taken by the second train to cross the bridge.

A 30 sec Correct Answer Incorrect Answer
B 44 sec Correct Answer Incorrect Answer
C 36 sec Correct Answer Incorrect Answer
D 42 sec Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

 

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