A mixture containing 95% wine is mixed with another mixture containing 75% wine in the ratio x : y. If the quantity of wine in the final mixture is 87%, find the value of x : y.

Correct Answer: 3 : 2
The ratio in which the liquids are mixed = x : y. X : y = (87 – 75) : (95 – 87) = 12 : 8 = 3 : 2