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A mixture containing 27% of milk is mixed with another mixture containing 68% milk in the ratio 1 : 13. Find the percentage of milk in the mixture formed.

A mixture containing 27% of milk is mixed with another mixture containing 68% milk in the ratio 1 : 13. Find the percentage of milk in the mixture formed. Correct Answer 65%

The mixture is mixed in a ratio 1 : 13. Let the quantities of mixtures mixed be 100 and 1300 litres, respectively. The amount of milk in the mixture formed = 100 * 27 / 100 + 1300 * 68 / 100 = 27 + 884 = 911 litres The percentage of milk in the mixture so formed = 911 / 1400 * 100 = 65.07% ≈ 65%

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