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Q: The speed of a boat in still water is 18 km/h and the speed of the current is 6 km/h. In how much time (in hours) will the boat travel a distance of 90 km upstream and the same distance downstream?
  • A. 12 hours
  • B.
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  • C. 10 hours
  • D.
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Correct Answer: Option B -
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Explanations:

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