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Mixture & Alligation : 22.05.2018

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Question 1

A trader had 13 quintals of wheat. He sold a part of it at 14% profit and the rest at 24 % profit, so that he made a total profit of 18%. How much wheat did he sell at 24% profit?

Question 2

In a mixture of 120 liters, milk and water are in the ratio of 7:5 and in the second mixture of 180 liters, milk and water are in the ratio of 2:1. Find the percentage of total milk in the mixture of both.

Question 3

A cunning petrol station operator mixed kerosene in 250L petrol tank by replacing 20L petrol with kerosene. He did this 3 times before getting caught. What is the approximate current amount of petrol in the mixture?

Question 4

A container contains two liquids A and B in the ratio 7 : 5. When 9 litres of mixture is drawn off and the container is filled with 9 litre of pure  B, the ratio of A and B becomes 7: 9. How many litres of liquid A was in the container initially?

Question 5

Sanjay earned a profit of Rs. 600 by selling 100 kg of a mixture of A and B types of rice at total price of Rs. 2200. What was the proportion of A and B types of rice in the mixture if the cost prices of A and B types of rice are Rs. 20 and Rs. 10 per kg respectively?

Question 6

Three glasses of equal volume contains acid mixed with water. The ratios of acid and water are 2 : 3, 3 : 4 and 4 : 5 respectively. Contents of these glasses are poured in a large vessel. The ratio of acid and water in the large vessel is

Question 7

Rama mixes 20% of kerosene to his petrol and then he sells the whole mixture at the price of petrol. If the cost price of the kerosense is 40% of the CP of petrol. What is the net profit?

Question 8

A trader had 630 kgs of rice. He sold a part of it at 15% profit and the rest at 8% profit, so that he made a total profit of 12%. How much rice (in kgs) did he sell at 8% profit?

Question 9

How much quantity of water must be added to 48 ml of alcohol to make a solution that contain 25% alcohol?

Question 10

A huge jar contains 2 liquids J and K in the ratio 3:5. When 32 litres of mixture is removed and replaced by J, the ratio now becomes 5 : 3. The capacity of the vessel (in litres) is:
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