Question : In a mixture of 55 litres, the ratio of acid to base is 7 : 4, how much base must be added to make the mixture ratio 4 : 3?

Option 1: 5.50 litres

Option 2: 5.85 litres

Option 3: 6.25 litres

Option 4: 4.45 litres

Question : A mixture contains milk and water in a ratio of 9 : 5. When 6 litres of water is added to this mixture, the ratio of milk and water becomes 9 : 7. Find the quantity of milk in the mixture.

Option 1: 30 litres

Option 2: 18 litres

Option 3: 27 litres

Option 4: 15 litres

Question : In A mixture of 180 litres, the ratio of milk and water is 5 : 1. If this ratio is to be 3 : 2, then find the quantity of water to be further added.

Option 1: 66 litres

Option 2: 70 litres

Option 3: 88 litres

Option 4: 72 litres

Question : In a 255-litre mixture of milk and water, the ratio of milk and water is 4 : 1. Find the quantity of water required to make the ratio of milk and water 4 : 3.

Option 1: 94 litres

Option 2: 51 litres

Option 3: 102 litres

Option 4: 55 litres

Question : A 30-litre mixture of milk and water contains 15% water. How much water must be added to it to increase the percentage of water in the solution to 37.5%?

Option 1: 6.0 litres

Option 2: 10.8 litres

Option 3: 7.2 litres

Option 4: 8.4 litres

Question : A mixture contains milk and water in the ratio 5 : 2. If 4 liters of water is added to the mixture, the ratio becomes 5 : 4. What is the quantity of milk in the given mixture?

Option 1: 2 litres 

Option 2: 8 litres 

Option 3: 5 litres 

Option 4: 10 litres