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551

Q:

A boat covers 36 km in upstream in 2 hours and 66 km in downstream in 3 hours. Find the speed of boat in still water?

  • 1
    21km/h
  • 2
    19 km/h
  • 3
    20.5 km/h
  • 4
    20 km/h
  • 5
    19.5 km/h
  • Show Answer
  • Workspace

Answer : 4. "20 km/h"

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