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Q:

Speed of a boat in still water is 12 kmph and that of the current is 3 kmph. A man row a boat upstream up to 135 km and return downstream to the starting point. Find the total time taken for the entire journey in hours.

  • 1
    36
  • 2
    48
  • 3
    30
  • 4
    24
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Answer : 4. "24"

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