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Q: Suresh covers a distance of 34 km in the direction of a river in 4 hours 15 minutes by a luxury boat and 19 kilometers in the opposite direction of a river in 3 hours 10 minutes. As present what is the speed of the flow of river?
  • A. 3 km./hr.
  • B. 2 km./hr.
  • C. 1 km./hr.
  • D. 5 km./hr.
Correct Answer: Option C -
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Explanations:

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