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      Question

      175 litres of mixture X contains acetone and glycerine

      in the ratio 11:14, respectively. 75 litres of the mixture is withdrawn and labelled as mixture Y and 8 litres of acetone is added to it. Find the ratio of glycerine to acetone in mixture Y. ST
      A 14:13 Correct Answer Incorrect Answer
      B 35:31 Correct Answer Incorrect Answer
      C 45:31 Correct Answer Incorrect Answer
      D 42:41 Correct Answer Incorrect Answer
      E 45:41 Correct Answer Incorrect Answer

      Solution

      Quantity of acetone in mixture Y = 75 × 11/25 = 33 litres Quantity of glycerine in mixture Y = 75 – 33 = 42 litres After addition of 8 litres of acetone, New ratio of glycerine to acetone = 42:(33 + 8) = 42:41

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