Question
A vessel contains 120 litres of milk and water in the
ratio of 3:1. If 15 litres of milk is added to the mixture, then find the ratio of milk to water in the final mixture.Solution
The quantity of milk in the initial mixture = 120 × 3/4 = 90 litres The quantity of water in the initial mixture = 120 - 90 = 30 litres The ratio of milk to water in the final mixture = (90 + 15) : 30 = 105:15 = 7:2
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