- A3.5
- B7
- C15.5
- D1.75
Step-by-Step Solution
Speed of current = (downstream − upstream)/2 = (19 − 12)/2 = 3.5 km/h. (His speed in still water is 15.5 km/h.)
Answer: A) 3.5
A fisherman on the Hooghly rows at 19 km/h with the current and at 12 km/h against it. What is the speed of the current in km/h?
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