Question
A mixture contains 60 litres milk and rest is water.
When 30 litres milk and 18 litres water is added to the mixture, the ratio of milk to water becomes 5 : 3. Find the initial quantity of mixture.Solution
Let initial quantity of water be ‘n’ litres. So, (60 + 30) : (n + 18) = 5 : 3 Or, 90 : (n + 18) = 5 : 3 Or, n + 18 = 54 Or, n = 36 Therefore, required quantity of mixture = 60 + 36 = 96 litres
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