The correct answer is B
A train covers a distance between stations Dehradun to Rudrapur in 90minutes. If the speed is reduced by 10 km/hr, it will cover the same distance in 9...
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Vicky and Vikram start running simultaneously around a rectangular track of length 750m from the same point at speeds of 40 km/hr and 35 km/hr. When wil...
A train covers a distance of 120 km at the speed of 75 km/h the next 63 km distance covers with a speed of 45 km/h and last 90 km with the speed of 40 k...
