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Q. A boat goes 20 km upstream in 2 hours and downstream in 1 hour. How much time this boat will take to travel 30 km in all still water?

  • (A) 1 hr
  • (B) 2 hrs
  • (C) 1.5 hrs
  • (D) 2.5 hrs
  • Correct Answer - Option(B)
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