A train covers a distance of 90 km at a uniform speed. Had the speed been 15 km/h more, it would have take 30 minutes less for the journey. Find the original speed of the train.
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Had the speed been 15 km/hour more, it would have taken 30 minutes less for a journey. Find the original speed of the train. Answer: → Original speed of the train = 45 km/hr
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