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?
In a partnership, A and B start a business by investing ₹20,000 and ₹25,000 respectively. After 4 months, C joins them with ₹15,000. Find the ratio of their profits at the end of the year.
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 prices of two cycles are in the ratio 16 : 23. If the price of the first cycle is increased by 10% and that of the second by ₹477, the ratio becomes 11 : 20. Find the original price of the second cycle.