1. Two trains are moving in the same direction at the speed of 24 km/hr and 50 km/hr. The time taken by faster train to cross a man sitting in the slower train is 72 seconds. What will be the length (in metres) of the faster train?





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  • By: anil on 05 May 2019 02.04 am
    Let length of faster train = $$l$$ m The trains are moving in the same direction, thus relative speed = $$50-24=26$$ km/hr = $$(26 imesfrac{5}{18})=frac{65}{9}$$ m/s Time taken = 72 seconds Using, distance = speed $$ imes$$ time => $$l=72 imesfrac{65}{9}=520$$ m => Ans - (C)
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