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Ashok can row upstream at 8 kmph and downstream 12 kmph . What is the speed of the stream ? |
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Answer» 6km/hr then Speed of the stream = `(1)/(2)` (a-b) kmph Explanation Speed downstream a = 12 kmph Speed upstream b = 8 kmph Speed of the stream = `(1)/(2) (a-b) = (1)/(2) (12-8)` = `(4)/(2) = 2` kmph |
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