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Q: A boat travels upstream at the speed of 20 km/h and downstream at the speed of 30 km/h. What is the speed of the boat in still water?
  • A. 26 km/h
  • B. 24 km/h
  • C. 25 km/h
  • D. 22.50 km/h
Correct Answer: Option C -
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Explanations:

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