Question 132
DIRECTION for the question: Solve the following question and mark the best possible option.
In a mixture of 45 litres, the ratio of milk and water is 4 : 1. How much water must be added to make the mixture ratio 3 : 2?
Solution
In the mixture, amount of milk = $$\frac{4}{5}\times\ 45=36$$ and water = $$\frac{1}{5}\times\ 45=9$$.
Let us assume that the water added is X litres.
Now, 36 : 9+X = 3:2.
Solving this equation gives value of X = 15 litres.
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