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A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is ?

Asked Sep 07, 2023 Modified Sep 07, 2023 Viewed 0 times
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Mathematics
asked Sep 07, 2023 at 09:12
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Speed of the train relative to man = (125/10) m/sec = (25/2) m/sec. [(25/2) x (18/5)] km/hr = 45 km/hr. Let the speed of the train be S km/hr. Then, relative speed = (S - 5) km/hr. S - 5 = 45 => S = 50 km/hr.
answered Sep 07, 2023 at 09:12
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Academy

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