Exams › IBPS PO › Quantitative Aptitude

A mixture contains milk and water in the ratio 4:1. If 24 litres of water is added, the ratio becomes 1:1. What was the initial quantity of the mixture?

1. 60 litres
2. 70 litres
3. 75 litres
4. 80 litres

Correct answer: 80 litres

Solution

If the initial mixture is in the ratio 4:1, then water is one-fifth of the total. After adding 24 litres of water, water becomes equal to milk. Solving gives the initial total as 80 litres.

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