Milkman has a container filled with a mixture of milk and water which are in the ratio of 7 : 3. How many parts of the mixture needs to be removed and replaced from the water to obtain milk and water in ratio of 1 : 1?

Two equal glasses are filled with alcohol and water respectively. First glass is filled with (2/5) of alcohol and second glass is filled with (1/4) of alcohol. Then, the glasses are filled up with water and the resultant mixture is put into a big Jug. Find the ratio of alcohol and water in the jug.

If a 50 liters mixture of milk and water is in the ratio of 3 : 2. After removal of 10 liters mixture, 12 liters milk and 12 liters water is added into the mixture. Find the final ratio of water and milk in the mixture.

A mixture contains milk and water in the ratio of 7 : 8. If 10 litres water and 5 litres milk is added in the mixture then the ratio of water and milk becomes 3 : 2. Find the initial quantity in the mixture?

A vessel contains some mixture of Water and Alcohol in the ratio 2 ∶ 1. 12 liters of mixture is removed and replaced with water and the final ratio becomes 4: 1. What is the amount of Alcohol in the initial Mixture?

A shopkeeper purchased two types of wheat costing Rs. 220 per kg and Rs. 300 per kg. In what ratio should he mix the wheat so that he could sell the mixture at the rate of Rs. 360 per kg in order to earn the profit of 25%?

A mixture contains wine and water in a ratio of 5: 1. On adding 5 litres of water, the ratio of wine to water becomes 5: 2. The quantity of wine in the mixture is?

A drink of chocolate and milk contains 8% pure chocolate by volume. If 10 litres of pure milk are added to 50 litres of this drink, the percentage of chocolate in the new drink is: