In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:

A mixture has milk and water ratio 4:3. After adding 10 L water, ratio becomes 4:5. Initial milk quantity?

Three glasses P, Q and R have capacities in the ratio 1: 2 : 3. All these glasses are completely filled with mixtures of milk and water. The ratio of milk to water in P is 1: 2, in Q it is 2: 3 and i…

A bag contains coins of Rs. 2, Re. 1 and 50 paisa in the ratio 6 : 7 : 15 respectively. If the total amount in the bag is Rs. 1590, then the number of 1 Re. coins in the bag is :

Two alloys are both made up of copper and tin. The ratio of copper and tin in the first alloy is 1 : 3 and in second alloy is 2 : 5. In what ratio should two alloys be mixed, to obtain a new alloy su…

₹1,110 was to be divided among A, B and C in the ratio 1/4 : 1/5 : 1/6. But by mistake, it was divided in the ratio of 4 : 5 : 6. Due to this distribution, excess amount (in percent) received by C is