The ratio of the salaries of X, Y, and Z is 2:3:5. If they get increments of 15%, 10%, and 20% respectively, what will be the new ratio of their salaries?
A container contains milk and water in the ratio 7:5. If 9 liters of the mixture is replaced by 9 liters of water, the ratio becomes 7:9. How many liters of milk were in the container initially?
In a school, the ratio of boys to girls is 4:3. If the number of girls increases by 10% and the number of boys increases by 20%, what is the new ratio of boys to girls?