A train with 90 km/hr crosses a bridge in 36 seconds. Another train 100 m shorter crosses the same bridge at 45 km/hr. Find the time taken by the second train to cross the bridge ?

A train with 90 km/hr crosses a bridge in 36 seconds. Another train 10

1.	A train with 90 km/hr crosses a bridge in 36 seconds. Another train 100 m shorter crosses the same bridge at 45 km/hr. Find the time taken by the second train to cross the bridge ?
A.	64 sec
B.	60 sec
C.	72 sec
D.	1 hr
Answer» B. 60 sec

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A train with 90 km/hr crosses a bridge in 36 seconds. Another train 100 m shorter crosses the same bridge at 45 km/hr. Find the time taken by the second train to cross the bridge ?

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