Mixtures and Alligations - Shortcuts and Tricks
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Q. A container has 60 liters of a solution that is 40% acid. If 15 liters of the solution is removed and replaced with water, what is the new percentage of acid?
Q. A mixture of two liquids A and B is in the ratio 5:3. If the total volume of the mixture is 64 liters, how much liquid A is there?
Q. A shopkeeper sells a mixture of two types of nuts at a profit of 20%. If the cost price of the mixture is $50, what is the selling price?
Q. A solution contains 25% salt. If 8 liters of the solution is removed and replaced with water, what is the new concentration of salt in the solution?
Q. If 10 liters of a 20% sugar solution is mixed with 5 liters of a 30% sugar solution, what is the percentage of sugar in the new mixture?
Q. If 5 kg of sugar costing $10 per kg is mixed with 3 kg of sugar costing $15 per kg, what is the average cost per kg of the mixture?
Q. If a person mixes two types of tea costing $20 and $30 per kg in the ratio 2:3, what is the cost price per kg of the mixture?
Q. In a mixture of 40 liters, the ratio of milk to water is 3:1. How much water is there in the mixture?
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