Answer : 3 2.83 kmph Explanation : Answer: C) 2.83 kmph Explanation: Given speed of the person = 8 1/2 = 17/2 kmphLet the speed of the stream = x kmphspeed of upstream = 17/2 - xspeed of downstream = 17/2 xBut given that,2(17/2 - x) = 17/2 x=

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