Two-component mixtures, replacement and allegation rule.
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Q1 · Mixture and Allegation · EASY
A vessel contains 60 litres of milk. 12 litres of milk is taken out and replaced with water. If this process is repeated once more, what is the final quantity of milk in the vessel?
Q2 · Mixture and Allegation · MEDIUM
In what ratio must rice at Rs 12 per kg be mixed with rice at Rs 18 per kg so that the mixture is worth Rs 15 per kg?
Q3 · Mixture and Allegation · HARD
A container has 40 litres of pure milk. 8 litres of milk is taken out and replaced with water. Then, 10 litres of the mixture is taken out and replaced with water. What is the ratio of milk to water in the final mixture?
Q4 · Mixture and Allegation · MEDIUM
A shopkeeper mixes two varieties of rice costing ₹48 per kg and ₹72 per kg in the ratio 5:3. At what price per kg should he sell the mixture to earn a profit of 25%?
Q5 · Mixture and Allegation · EASY
In what ratio must water be mixed with milk costing ₹40 per litre to get a mixture worth ₹32 per litre?