Question
A person sees a train passing over 6 km long bridge. The
length of the train is half that of bridge if the train clears the bridge in 3 mins. What is the speed of the train?Solution
Distance covered in 6/60 hours = (6 + 6/2) = 9 km Distance covered in 1 hour = 9 x (60/6) = 90 km So, speed of the train = 90 km/hr
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