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A boat travelling at 6 km/h in still water takes 6 hours to go 16 km downstream and 16 km back upstream. What is the speed of the current?

Competition practiceBoats & Streams
  • A2 km/h
  • B3 km/h
  • C1 km/h
  • D4 km/h

Step-by-Step Solution

Try : 16/8 + 16/4 = 2 + 4 = 6 h ✓. (Formally ⇒ ⇒ )
Answer: A) 2 km/h

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