Question
Speed of train is 55 km/hr. The length of train is 800
metre. In how much time can it cross a 1400 metre long platform?Solution
Speed = (Length of train + Length of platform)/Time  Speed = (800 + 1400)/Time (55x5/18) = 2200/Time Time = 39600/ (55 x 5) Time = 144 seconds In 144 seconds, it can cross a 1400 m long platform.
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