A boatman can cover 22 km downstream and 15 km upstream in 3 hours 20 minutes. He can cover 14 km downstream and 12 km upstream in 2 hours 24 minutes. What is the speed of the boat in still water? (Round your answer to two decimal places.)
Subject: Mathematics | Topic: Arithmetic | Difficulty: MEDIUM
Options
- (A) 13.15 km/h
- (B) 13.50 km/h
- (C) 11.75 km/h
- (D) 11.15 km/h
Verified Answer
Option (D): 11.15 km/h
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