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A 225 metres train crosses a 275 metres long tunnel in 1 minute. what is the speed of the train in km/hr ? |
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Answer» LENGTH of train = 225 length of tunnel = 275 total length = 500 m speed = d/t = 500/60 = 50/6 m/s = 50/6 * 18/5 (multiply by 18/5 to convert it into km/h) = 30 km/h |
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