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Q: A boat can travel 10 km upstream and 20 km downstream in 7 hours. It can travel 20 km upstream and 10 km downstream in 11 hours. What is the speed of boat in still water?
  • A. 2 km/h
  • B. 8 km/h
  • C. 6 km/h
  • D. 4 km/h
Correct Answer: Option C -
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Explanations:

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