A train moving at speed of 72 kmh-1 crosses a bridge in 20 sec. Ano – McqOptions

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1.	A train moving at speed of 72 kmh-1 crosses a bridge in 20 sec. Another train 40 mtr shorter moving at speed of 18 kmh-1 crosses the same bridge. Find time taken by second train to cross bridge?
A.	46 seconds
B.	54 seconds
C.	60 seconds
D.	72 seconds
Answer» E.

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