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Question
On a river. Q is the mid-point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours 40 minutes. How long would it take to go from R to P?
Options
3 1/3` hours
5 hours
`6 2/3` hours
`7 1/3` hours
MCQ
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Solution
`7 1/3` hours
Explanation:
Hence Total Hour – 3 h 40 m + 3 h 40 m
= 7 h 20 m = `7 1/3` h
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Boats and Streams (Entrance Exam)
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