Answer : 3 40 Explanation : Answer: C) 40 Explanation: Let distance = x km and usual rate = y kmph.Then, x/y - x/(y 3) = 40/60 --

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A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. The distance (in km) is