A mixture of milk and water is in ratio 3:2. If there are 30 liters in total, how much water must be added to make the ratio 2:3?
A10L
B15L
C20L
D25L
Explanation
Initial: Milk=18, Water=12. New ratio 2:3 => Milk/Water_new = 2/3. 18/W_new = 2/3 => W_new = 27. Water added = 27 – 12 = 15L.
Exam Relevance
- Topic: Ratio and Proportion
- Subtopic: Mixtures
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