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Q: A boat can travel 5 km upstream in 15 minutes. If ratio of the speed of the boat in still water to the speed of the stream is 6 : 1, then how much time will the boat take to cover 19.6 km downstream?
  • A. 42 Minutes
  • B. 26 Minutes
  • C. 31 Minutes
  • D. 54 Minutes
Correct Answer: Option A -
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Explanations:

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