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      Question

      A 88-litre mixture contains only water and oil in the

      ratio 6:5, respectively. If 22 litres of the mixture is replaced with the same quantity of oil, then find the quantity of oil in the final mixture.
      A 55 litres Correct Answer Incorrect Answer
      B 53 litres Correct Answer Incorrect Answer
      C 54 litres Correct Answer Incorrect Answer
      D 52 litres Correct Answer Incorrect Answer
      E 50 litres Correct Answer Incorrect Answer

      Solution

      Amount of oil in the mixture = 88 ร— (5/11) = 40 litres Amount of oil withdrawn = 22 ร— (5/11) = 10 litres Quantity of oil in the final mixture = 40 โ€“ 10 + 22 = 52 litres

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