Problem on mixing two quantity in a mixture.

The ratio of milk and water in a mixture is 9 : 2. If 110 litres of the mixture is removed then the difference between the quantity of milk and water becomes 42 litres. Find the final quantity of the mixture

A vessel contains a mixture of O_(2 )and N_(2) . The quantity of O_(2) is 16% of total mixture. Some quantity of mixture taken out from it and replaced by N_(2) . This process is repeated once more. Now the quantity of O_(2) is 9% of total mixture. If total quantity of mixture was 8 lt , then find the quantity of mixture which is taken out.

What approximate value will come in place of the question mark (?) in the following question? In a mixture, ratio of milk and water is 6 : 1 . 21 liters of mixture is withdrawn, and 77 liters of water is added to the mixture. If the total quantity of resultant mixture is twice of the quantity of original mixture, what was the amount of milk in original mixture?

The ratio of the quantities of an acid and water in a mixture is 1:3. If 5 L of acid is further added to the mixture, the new ratio becomes 1:2. the quantity of new mixture (in litres) is

Given below are two quantities named I and II. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose among the possible answers. Quantity I: In a mixture of 80 litre, Milk and water are in the ratio of 7 : 1. If 30% of the mixture is taken out, Find the quantity of the water left in the mixture. Quantity II: 7 litre

In a mixture the ratio of liquid A and liquid B is 3 ∶ 2. If 5 litre mixture is drown out and in final mixture the quantity of liquid A is 12 litre more than liquid B, then find the initial quantity of liquid A in the mixture.