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Milk = (3/5) × 60 = 36 liters Water = (2/5) × 60 = 24 liters Let x liters of water be added. After adding, new water quantity = 24 + x New ratio = 36 : (24 + x) = 2:3 (36 / (24 + x)) = (2 / 3) Cross-multiply: 108 = 48 + 2x 2x = 60 x = 30 liters Answer: a) 30 liters
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