Boats & Streams · Question 9 · Medium
Boats & Streams question 9
A boatman rows at 9 km/h in still water. The river flows at 3 km/h. He rows to a temple upstream and returns in 3 hours in total. How far is the temple?
- 12 km
- 18 km
- 9 km
- 13.5 km
Answer and explanation
Answer: A. 12 km
Explanation: Downstream 12 km/h, upstream 6 km/h. D/12 + D/6 = 3 gives D/4 = 3, so D = 12 km.
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