A train is travelling at an average speed of 90km p/h. If a train left at 10:00 am from station A then the arrival time of train at station B which is 60 km away is.
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Answer. Answer:The distance to be covered = Sum of their lengths = 200 + 300 = 500 m. Relative speed = 72 -36 = 36 kmph = 36 x 5/18 = 10 mps. Time required = d/s = 500/10 = 50 sec.
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