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?
In March 2026, the Ministry of Jal Shakti announced that which state has become the first to achieve 100% saturation in 'Grey Water Management' at the village level?
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?
The 'Jal Jeevan Mission (JJM) 2.0', approved by the Union Cabinet in March 2026, aims to provide tap water connections to all rural households by which year?