2010 · Q10
A mixture contains milk and water in the ratio 5:1. On Adding 5 litres of water, the ratio of milk and water becomes 5:2. What is the quantity of milk in the original mixture?
Elementary MathematicsRatio and Proportion
- A5 litres
- B25 litres
- C27.5 litres
- D32.5 litres
Explanation
5x/(x+5)=5/2 gives x=5; milk=25 litres.