Alligation — Prelims Questions

A shopkeeper mixes two varieties of rice costing ₹45 per kg and ₹60 per kg respectively. If he wants to make a mixture costing ₹54 per kg, in what ratio should he mix the two varieties?

In what ratio must water be mixed with milk costing ₹20 per litre to get a mixture worth ₹16 per litre?

A mixture contains alcohol and water in ratio 4:3. If 14 litres of water is added to 35 litres of this mixture, what will be the ratio of alcohol to water in the new mixture?

Two alloys contain copper and zinc in ratios 3:2 and 2:3 respectively. In what ratio should these alloys be mixed to get an alloy containing copper and zinc in ratio 1:1?

A trader mixes 26 kg of rice at ₹20 per kg with 30 kg of rice at ₹36 per kg. If he sells the mixture at ₹30 per kg, what is his profit percentage?