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Q: A motor boat, whose speed is 11 km/h in still water, goes 28 km downstream in 2 h 20 min. Find the speed of the stream.
  • A. 12 km/h
  • B. 10 km/h
  • C. 1 km/h
  • D. 11 km/h
Correct Answer: Option C -
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Explanations:

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