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      Question

      A 120 litres mixture contains 40% milk and rest water.

      How much water should be added to the mixture, such that milk constitutes 25% of the resultant mixture.
      A 80 litres Correct Answer Incorrect Answer
      B 64 litres Correct Answer Incorrect Answer
      C 72 litres Correct Answer Incorrect Answer
      D 56 litres Correct Answer Incorrect Answer

      Solution

      Quantity of milk in the initial mixture = 0.4 X 120 = 48 litres Since, quantity of milk remained unchanged Therefore, total quantity of the resultant mixture = (48/0.25) = 192 litres Quantity of water to be added = 192 - 120 = 72 litres

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