A train has to cover a distance of 350 km in 25 hours. If it covers half journey in 3/5^{th} time, then the speed of covering the remaining distance in the time left has to be:

Speed = Distance/time = 350/25 = 14 km/hr According to the question, New time = 3/5 x 25 = 15 hrs New distance = 1/2 x 350 = 175 km Required speed = Distance left/Time left = 175/10 = 17.5 km/hr

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