Mixture and Alligation Questions & Answers

Q11 Two tank contain mixtures of milk and water in the ratio 4:1 and 1:1 respectively .The volumes of two tank is in the ratio 3:4. What is the ratio of milk and water, if contents of both the tank are mixed?

Q12 In what ratio should the water and milk be mixed to get a profit of 20% by selling the mixture at the cost price of the milk?

Q13 A dishonest milkman professes to sell his milk at cost price, but he mixes it with water and thereby gains 25%. Find the percentage of water in the mixture.

Q14 A mixture of 70 litres of wine and water contains 10% water. How much water should be added to make 25% water in the resulting mixture?

Q15 A mixture of 80 litres of wine and water contains wine and water in the ratio 3:1. How much wine should be added to make the ratio 4:1 in the resulting mixture?

Q16 A cask contains alcohol solution with concentration 18%. If 6 Liters of this mixture is taken out and replaced with water, then concentration drops to 15%. What is the original volume in the cask.

Q17 A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?

Q18 A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?

Q19 8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 65. How much wine did the cask hold originally?

Q20 There was 40 litre milk in a bucket. 4 litre liquid of the bucket was replaced by water. This process was repeated two times again. Find the quantity of milk in the bucket at last.