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A man moves at a speed of 5 kmph for 20 min and goes back the same distance at a speed of 25 kmph. How much time does it take to go back? (in minutes)4

Answer» A man moves at a speed of 5 kmph for 20 min and goes back the same distance at a speed of 25 kmph. How much time does it take to go back? (in minutes)
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