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The boat goes 30 km upstream and 44 km downstream in 10 hours . In 13 hours, it can go 40km upstream and 55 km downstream .Determine the speed of stream and that of the boat instill water. |
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Answer» The boat goes 30 km upstream and 44 km downstream in 10 hours . In 13 hours, it can go 40 km upstream and 55 km downstream .Determine the speed of stream and that of the boat in still water. |
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