A vessel contains 360 litres of milk and water in the ratio of 7:5. If 15 litres of milk is added to the mixture, then find the ratio of milk to water in the final mixture.
The quantity of milk in the initial mixture = 360 × 7/12 = 210 litres The quantity of water in the initial mixture = 360 - 210 = 150 litres The ratio of milk to water in the final mixture = (210 + 15) : 150 = 225:150 = 3:2
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