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      Question

      Find the total distance covered by boat in each upstream

      and downstream in 8 hours if the speed of boat in still water and speed of current is 28 km/h and 10 km/h respectively?
      A 420 km Correct Answer Incorrect Answer
      B 416 km Correct Answer Incorrect Answer
      C 448 km Correct Answer Incorrect Answer
      D 450 km Correct Answer Incorrect Answer
      E 480 km Correct Answer Incorrect Answer

      Solution

      Speed in upstream = 28 – 10 = 18 km/hr Speed in downstream = 28 + 10 = 38 km/hr Required total distance= (18 + 38) × 8 = 448 km

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