orange river conclusion
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Explanation:
(i) Downstream
In water, the direction along the stream is called downstream.
(ii) Upstream
In water, the direction against the stream is called upstream.
(iii) Let the speed of a boat in still water be u km/hr and the speed of the stream be v km/hr, then
Speed downstream = (u + v) km/hr
Speed upstream = (u - v) km/hr.
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Explanation:
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