Question
A 500-metre long train takes 10 seconds to cross a pole.
If it takes 35 seconds to cross a bridge, then find the length of the bridge.(in km)Solution
Speed of the train = (500 / 10) = 50 m/s
Distance covered by the train in 35 seconds = 50 Ă— 35 = 1,750 metres
Length of the bridge = 1,750 500 = 1,250 metres = (1250 / 1000) = 1.25 km
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