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      Question

      A mixture contains 70 litres milk and rest is water.

      When 20 litres milk and 22 litres water is added to the mixture, the ratio of milk to water becomes 3 : 2. Find the initial quantity of mixture.
      A 96 litres Correct Answer Incorrect Answer
      B 102 litres Correct Answer Incorrect Answer
      C 108 litres Correct Answer Incorrect Answer
      D 112 litres Correct Answer Incorrect Answer
      E 120 litres Correct Answer Incorrect Answer

      Solution

      Let initial quantity of water be β€˜n’ litres. So,
      (70 + 20) : (n + 22) = 3 : 2 Or,
      90 : (n + 22) = 3 : 2 Or,
      n + 22 = 60 Or,
      n = 38 Therefore, required quantity of mixture
      = 70 + 38
      = 108 litres

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