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Q: A boat covers a certain distance in the downstream in 4 hours, but takes 6 hours to return to the starting point. What is the ratio of the speed of the stream and the speed of the boat in still water?
  • A. 1:5
  • B. 1:4
  • C. 5:1
  • D. 4:3
Correct Answer: Option A -
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Explanations:

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