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A boat covers 32 km upstream in 4 hours and 36 km downstream in 3 hours. Find its speed in still water.

Competition practiceBoats & Streams
  • A10 km/h
  • B2 km/h
  • C12 km/h
  • D8 km/h

Step-by-Step Solution

Upstream speed = 8, downstream speed = 12 km/h. Still water = (8 + 12) ÷ 2 = 10 km/h.
Answer: A) 10 km/h

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