a train covers a distance of 90km at uniform speed incase starting late due to some reason the speed can be increased by 15 kilometre by hour and it would have half an hour for a journey find the original speed.( solve by formula method)
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a train covers a distance of 90km at uniform speed incase starting late due to some reason the speed can be increased by 15 kilometre by hour and it would have half an hour for a journey find the original speed.( solve by formula method)
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Answer:
answer for the given problem is given