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A man can row 44 km downstream in 4 hours. If the man's rowing rate in still water is 8 km/hr, then find in what time will he cover 25 km upstream ?
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- 5 hours
- 6 hours
- 4.5 hours
- 4 hours
Correct Option: A
∵ Man's rate in still water = (man's rate with current + his rate against current)/2
⇒ 8 = 1/2 [ 44/4 + 25/T ]
⇒ 16 = 11 + 25/T
∴ T = 5 hours
