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Question
A boat can row 35 km upstream in 7 hours and the same distance downstream in 5 hours. What is the speed (in km/hr) of the boat in still water?
Options
5
7
9
6
MCQ
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Solution
6
Explanation:
`x + y = 35/5` = 7
`x - y = 35/7` = 5
`x = (7 + 5)/2` = 6 kmph
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Boats and Streams (Entrance Exam)
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