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A Man Rows His Boat 85 Km Downstream And 45 Km Upstream, Taking 2 1/2 Hours Each Time. Find The Speed Of The Stream? |
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Answer» Speed downstream = d/t = 85/(2 1/2) = 34 kmph Speed upstream = d/t = 45/(2 1/2) = 18 kmph The speed of the stream = (34 - 18)/2 = 8 kmph. Speed downstream = d/t = 85/(2 1/2) = 34 kmph Speed upstream = d/t = 45/(2 1/2) = 18 kmph The speed of the stream = (34 - 18)/2 = 8 kmph. |
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