Mixtures and Alligations

A merchant has 2500 kg of rice,part of which he sells at 10% profit and the rest at 16% Profit .He gains 12% overall.The quantity sold at 16% profit is

How many Kg of sugar costing Rs. 10kg must be mixed with 36Kg of sugar costing Rs.9 per Kg ,so that there may be gain of 11% by selling the mixture of Rs.10.30 per Kg?

Sum of Rs.96 was shared among 48 boys and girls,each girl receive Rs.2.40 and boy receive Rs.1.80.How much amount did boys

A Man covered a distance of 50km in 5 hrs partly by bus at 12kmph and partly by foot at 7kmph.The distance covered by bus is

In what ratio water should be added with Juice costing Rs.16 per litre to obtain a mixture worth Rs.6 per litre?

2 varieties of juice are mixed in the ratio of 4:5. The price of 1st variety juice is Rs.14per litre while the second variety is Rs.17 per litre.Find the average price of the mixture ?

A milkman mixes 6 litres of free tap water with 18litres of pure milk. If the cost of pure milk is Rs.28 per litre the % Profit of the milkman when he sells all the mixture at the cost price is

From a tank of petrol, which contains 500 litres of petrol initially, the seller sells 50litres of petrol each time and replenishes the tank with kerosene. Every time he sells out only 50litres of petrol.After replacing 4th time petrol with kerosene, find the total amount of kerosene in the mixture ?

In a 80 litre mixture of milk and water, the % of water is only 25%. The milkman gave 15 litres of this mixture to a customer and then added 15 litres of water to the remaining mixture. What is the % of milk in the final mixture ?

A jar containing 60litres of mixture of milk and water. The respective ratio of milk and water in the ratio 7:5. From the jar 12litres of mixture was taken out and 6 litres of pure milk was added. What is the respective ratio of milk and water after the final operation ?