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Q: A boat can go 15 km downstream and 8 km upstream in 2 h. It can go 20 km downstream and 12 km upstream in 2 h 50 min. What is the speed (in km/h) of the boat while going downstream?
  • A. 20
  • B. 18
  • C. 15
  • D. 16
Correct Answer: Option C -
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Explanations:

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