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      Question

      In a container, the ratio of milk to water is 2:1. After

      pouring in 20 litres of water, the new ratio becomes 2:3. What is the final volume of the mixture?
      A 100 litres Correct Answer Incorrect Answer
      B 65 litres Correct Answer Incorrect Answer
      C 90 litres Correct Answer Incorrect Answer
      D 50 litres Correct Answer Incorrect Answer

      Solution

      ATQ,

      Milk : Water = 2:1 тЖТ Total = 3 parts

      Let total = 3x

      тЖТ Milk = 2x, Water = 1x

      Water after adding = 1x + 20

      New ratio = 2x : (x + 20) = 2 : 3

      Image

      Original = 3 ├Ч 15 = 45 litres

      Final = 45 + 20 = 65 litres

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