Mixtures and Alligation

Rohan bought 35 kg of rice at Rs. 100/kg and 15 kg of pulses at Rs. 120/kg. He sold the mixture at Rs. 106/kg. Find his profit or loss in the whole transaction.

Amy adds 15 ounces of orange powder to one jar of water to form concentrated orange juice. Then, she further uses that one jar of concentrated orange juice solution in 5 jars of water to prepare 24 gallons of diluted orange juice. How much orange powder is required to prepare the solution?

Mr. and Mrs. Bills Dairy formed 45 pints of diluted milk solution by adding some packets of milk to every 7 packets of water. It is to be noted that both milk and water packets have equal capacity by volume. If the solution contained 21 pints of water, how many packets of milk were used to form the solution?

A juice box contains fresh lime juice, orange juice and grape juice in a ratio 1 : 3 : 5. Alice poured 27 ounces of this juice in a glass. How much more grape juice than lime juice does Alice have in her glass?

A vessel has 500 litres of milk. 50 litres of milk is replaced with 50 litres of water in this vessel. If this operation is repeated 2 more times, what is the percentage of milk in the vessel at the end?

30 Litres of water is added to 60 litres of a solution containing 30% alcohol in water. What is the concentration of alcohol in solution now?

An alloy of copper and nickel contains 65 % copper. A second alloy contains copper and nickel in the ratio 17 : 3. In what ratio should the two alloys be mixed so that the new mixture contains 4 times as much copper as nickel?

A jar can 20 litre milk. From the jar, 4 litres milk was taken out and replaced with an equal quantity of water. If 4 litres of the newly formed mixture is taken out of the can, then what is the final quantity of milk left in the can?

A barrel contains 60 liters of alcohol and water. The quantity of alcohol is 12 liters more than water. Some amount of water is added to the barrel such that the ratio of alcohol to water becomes 18 : 17. Quantity A Amount of water added to the barrel Quantity B 8 liters

A bucket is full of 60 liters of mixture of paint A and paint B, where the percentage of paint B is 40%. The painter paints a few rooms with 20 liters of the mixture and then adds 20 liters of paint B to the remaining mixture. Quantity A Percentage of paint B in the final mixture Quantity B 70%

In two alloys Copper and zinc in the ratio of 3:4 and 3:2 respectively. 28 kg of 1stalloy and 35 kg of 2nd alloy and some quantity of pure zinc is melted together. The final alloy has copper and zinc in the ratio of 4:5. Find the amount of pure zinc melted?

There are two containers of equal capacity. The ratio of water to alcohol in the first container is 6:7, and in the second container is 4:5. If they are mixed up, the ratio of water to alcohol in the mixture will be?