Math, asked by anna2912, 11 months ago

a train covers a distance of 90km at a uniform speed.Had the speed been 15km/hr more,it would have taken 30 min less for the journey. Find the orginal speed of the train

Answers

Answered by kirtan1726

2

Let the usual speed of train x km/hr

Distance covered by usual speed=90km/hr

Time taken by usual speed to cover distance

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