The ratio of land to water for the whole earth is 1 : 2 and in the Northern Hemisphere, it is 2 : 3. What is the ratio of land to water in the Southern Hemisphere?
A mixture of 40 litres of milk and water contains milk and water in the ratio 3 : 1. How much water must be added to this mixture so that the ratio of milk and water becomes 2 : 1?
The ratio of land to water on the whole earth is 1 : 2 and in the Northern Hemisphere, it is 2 : 3. What is the ratio of land to water in the Southern Hemisphere?
A mixture contains milk and water in the ratio 7 : 5. When 15 litres of water are added to it, the ratio of milk and water becomes 7 : 8. The total quantity of milk in the new mixture is:
A mixture contains milk and water in the ratio 5:2. If 4 litres of water is added, the ratio becomes 5:4. Find the initial quantity of milk in the mixture.