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Q. A man can swim 3 km/hr. in still water. If the velocity of the stream is 2 km/hr., the time taken by him to swim to a place 10 km upstream and back is ?

  • (A) 9 hr 40 min
  • (B) 10 hr.
  • (C) 12 hr.
  • (D) 8 hr 40 min
  • Correct Answer - Option(C)
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