- A12
- B15
- C10
- D11.25
Step-by-Step Solution
Downstream = 10 km/hr, upstream = 6 km/hr. For distance d, d/10 + d/6 = 3 gives 8d/30 = 3, so d = 11.25 km.
Answer: D) 11.25
A man can row 8 km/hr in still water. The river flows at 2 km/hr. If it takes him 3 hours to row to a place and back, how far (in km) is the place?
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