Mixtures & Alligation
🔒 Log in to trackExam-level questions worked step by step. Try each one yourself first — then expand the solution and compare routes.
In what ratio must rice costing ₹30 per kg be mixed with rice costing ₹20 per kg so that the mixture is worth ₹24 per kg?
60 litres of a 40% acid solution is diluted by adding water so that the solution becomes 20% acid. The quantity of water added is:
A vessel contains 60 litres of milk. 6 litres are drawn and replaced with water, and the operation is repeated once more. The quantity of milk left in the vessel is:
36 litres of a mixture contains milk and water in the ratio 5 : 1. How much water must be added to make the ratio 5 : 3?
In an office of 60 employees, the average salary is ₹8,000. Managers average ₹10,000 and executives average ₹6,000. The number of managers is: