- A2.5 km/h
- B5 km/h
- C3 km/h
- D12.5 km/h
Step-by-Step Solution
Downstream = 45 ÷ 3 = 15 km/h; upstream km/h. Current = km/h.
Answer: A) 2.5 km/h
The upstream and downstream speeds of a ferry are in the ratio 2 : 3. It goes 45 km downstream in 3 hours. Find the speed of the current.
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