Q1 The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:

Q2 How many kilogram of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10% by selling the mixture at Rs. 9.24 per kg?

Q3 In what ratio must a person mix three kinds of metal costing Rs.60/kg, Rs.75/kg and Rs.100 /kg so that the resultant alloy when sold at Rs.96/kg results in a gain of 20%?

Q4 Two vessels A and B contain alcohol and water in the ratio 7:5 and 17:7 respectively. In what ratio should the mixtures from two vessels A and B be mixed to get a new mixture containing alcohol and water in the ratio 5:3?

Q5 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?

Q6 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?

Q7 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?

Q8 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?

Q9 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?

Q10 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.