Two trains are moving in the same direction at the speed of 23 km/hr a – McqOptions

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1.	Two trains are moving in the same direction at the speed of 23 km/hr and 77 km/hr. The time taken by faster train to cross a man sitting in the slower train is 40 seconds. What will be the length (in metres) of the faster train?_x005F_x000D_ Â _x005F_x000D_
A.	720_x005F_x000D_
B.	640_x005F_x000D_
C.	600_x005F_x000D_
D.	540
Answer» D. 540

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