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.
A mixture contains milk and water in the ratio 3 : 2. If 4 litres of water is added to the mixture, the ratio of milk and water becomes 1 : 1. What was the original quantity of milk?
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.
A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is: