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Upstream - Pre-Intermediate B1#upstream #up.. | English Box | ��������� Speed of boat upstream = kmph Speed of boat downstream = kmph Recall,. Time for km downstream and 30 km upstream. And it takes 6 hrs to cover downstream and upstream. Then. Let us denote by p and by q. The equation becomes p + 30q = 6 > (1) Time for 75 km downstream and returning (means 75 km upstream) = Given that the time taken is. The person can row in still water is 8km/hr and the river flows at 3 kmph and the time taken to cover a certain distance in upstream is hrs more than the time taken cover the distance in downstream. Find the distance between the places (approx).
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A Upstream Downstream Questions Class 10 Ie boat can cover 25 km upstream and 42 km downstream together in 7 hours. Also it can cover 30 km upstream and 63 km downstream together in 9 hours. What is the speed of the boat in still water? Find the ratio of the rate of boat in still water to the rate of current? If Upstream And Downstream Problems Shortcuts Down the speed of current is 7. How far is the place? Sign in. Log into your account. Password recovery. Forgot your password?

Get help. IBPS Guide. Inline Feedbacks. View Comments. Let us denote by p and by q. Put in 1 , we get. Solving 3 and 4 , we get. Put in 3 , we get. Hence, the speed of the motor boat in still water is 20 kmph and rate of flow of the stream is 5 kmph.

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