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      Question

      A container initially held 8 liters of vinegar. After

      removing a certain amount of vinegar, 2.4 liters of water was added to the container. As a result, the ratio of vinegar to water in the container became 7:3. How much vinegar was removed from the container?
      A 1.2 litres Correct Answer Incorrect Answer
      B 2.6 litres Correct Answer Incorrect Answer
      C 2.4 litres Correct Answer Incorrect Answer
      D 3.6 litres Correct Answer Incorrect Answer

      Solution

      Let x litres of vinegar was taken out.
      The quantity of water in the mixture = 2.4 litres
      So, (8 - x)/(2.4) = 7/3
      => 24 - 3x = 16.8
      => 3x = 7.2
      => x = 2.4 litres

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