A train 200 m long running with the speed of
60 km/hr passes a man who is running at 12
km/hr in the same direction of the train. How
much time will it take to cross him?
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Step-by-step explanation:
Relatively thinking, the train could be standing still and the pole could be running at 60 km/h. Then it would have to cover a distance of 200 m.
60 km/h = 60*1000 m / 60 mins = 1000 m/min
Speed = Distance / Time
=> Time = Distance / Speed
Thus required time = 200 m /(1000 m/min)
= 1/5 min = 12 secs.
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