The water and milk are in the ratio 1 : 3. How much water should be added to 12 liters of the mixture to make the ratio 2 : 3?

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The water and milk are in the ratio 1 : 3. How much water should be added to 12 liters of the mixture to make the ratio 2 : 3? Answer: 3 liters

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.