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      Question

      The speed of current is 35 km/hr. If the speed of the

      boat in still water had been 10 km/hr more than the original speed then it would take 6.2 hours to cover 341 km in downstream. Find the original speed of the boat in still water (in km/h).
      A 15 Correct Answer Incorrect Answer
      B 12 Correct Answer Incorrect Answer
      C 13 Correct Answer Incorrect Answer
      D 10 Correct Answer Incorrect Answer

      Solution

      Let the speed of the boat in still water be β€˜x’ km/hr According to the question, (x + 10 + 35) = 341/6.2 Or, x = 55 – 45 = 10

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