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Question 8 A motor boat can travel 30 km upstream and 28 km downstream in 7 h. It can travel 21 km upstream and return in 5 h. find the speed of the boat in still water and the speed of the stream. |
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Answer» Question 8 A motor boat can travel 30 km upstream and 28 km downstream in 7 h. It can travel 21 km upstream and return in 5 h. find the speed of the boat in still water and the speed of the stream. |
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