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A Man Swims Downstream 72 Km And Upstream 45 Km Taking 9 Hours Each Time. What Is The Speed Of The Current? |
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Answer» MAN's DOWNSTREAM SPEED = 72/ 9 kmph => 8kmph Man's up STREAM speed = 45/ 9 => 5 kmph So speed of current = (8 - 5)/2 = 1.5 kmph. Man's downstream speed = 72/ 9 kmph => 8kmph Man's up stream speed = 45/ 9 => 5 kmph So speed of current = (8 - 5)/2 = 1.5 kmph. |
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