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      Question

      Out of a 200-litre solution of juice and soda, the ratio of

      juice to soda is 1:4. How many litres of juice should be added to make the new ratio 3:8?
      A 25 litres Correct Answer Incorrect Answer
      B 35 litres Correct Answer Incorrect Answer
      C 20 litres Correct Answer Incorrect Answer
      D 12 litres Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Juice = (1/5) × 200 = 40 litres

      Soda = (4/5) × 200 = 160 litres

      Let the amount of juice added = x litres

      Then, (40 + x) : 160 = 3 : 8

      So, 40 + x = (3/8) × 160 = 60

      x = 60 - 40 = 20 litres

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