- A0.75 km/h
- B1.5 km/h
- C2.25 km/h
- D1 km/h
Step-by-Step Solution
Upstream = 2 ÷ (4/3) = 1.5 km/h; downstream = 2 ÷ (2/3) = 3 km/h. Current = (3 − 1.5) ÷ 2 = 0.75 km/h.
Answer: A) 0.75 km/h
Sunita swims 2 km against the current in 1 hour 20 minutes and the same 2 km with the current in 40 minutes. How fast does the current flow?
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