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Q: Ajay can row his boat in still water, at a speed of 6 km/h. If the speed of the stream is 4 km/h, how long will he take to a distance of 30 km downstream?
  • A. 2 hours
  • B. 5 hours
  • C. 4 hours
  • D. 3 hours
Correct Answer: Option D -
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Explanations:

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