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      Question

      In a mixture of 85 litres, the ratio of milk to water

      is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?
      A 12 litres Correct Answer Incorrect Answer
      B 19 litres Correct Answer Incorrect Answer
      C 51 litres Correct Answer Incorrect Answer
      D 34 litres Correct Answer Incorrect Answer

      Solution

      Quantity of milk in the mixture = 85 × 2/5 = 34 liters  Quantity of water in the mixture = 85 × 3/5 = 51 liters  Let x liters water be added to the mixture then, 34/(51+ x) = 1/3 102 = 51 + x x = 102 - 51 = 51 litres

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