- A12 hours
- B3 hours
- C2.4 hours
- D15 hours
Step-by-Step Solution
It got km upstream. Drifting moves it at the current's 2 km/h, so 24 ÷ 2 = 12 hours.
Answer: A) 12 hours
Sailing upstream from a ghat at 10 km/h in still water against a 2 km/h current, a boat runs out of fuel after 3 hours and drifts back. How long does it take to drift back to the ghat?
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