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Mixture and Alligation Quiz : 21.11.2019

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Question 1

In a mixture of milk and water, there is only 26% water. After replacing the mixture with 7 liters of pure milk, the percentage of milk in the mixture become 76%. The quantity of mixture is:

Question 2

How much Pepsi at Rs.6 a liter is added to 15 liters of 'dew' at Rs. 10 a liter so that the price of the mixture be Rs.9 a liter?

Question 3

In a 100 litre of mixture, the ratio of milk and water is 6:4. How much milk must be added to the mixture in order to make the ratio 3: 1?

Question 4

In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gms mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?

Question 5

In what ratio should tea costing Rs 300/kg be mixed with tea costing Rs 200/kg so that the cost of the mixture is Rs 225/kg?

Question 6

There are two containers of same size and they contain mixture of alcohol and water. The ratio of alcohol and water in first container is 3:2 and in second 3:7 Now both of them are poured into a third container but while pouring some of the mixture of second container spilled on the floor and wasted. If the ratio of alcohol and water in final mixture is 1:1 Calculate the percentage amount of solution spilled while pouring from second container.

Question 7

A trader had 960 kgs of rice. He sold a part of it at 20% 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 8

Three bottles of equal capacity have mixture of milk and water in ratio 5 : 7, 7 : 9 and 2 : 1 respectively. These three bottles are emptied into a large bottle. What is the percentage of milk in the new mixture?

Question 9

An alloy is made by mixing metal A costing RS 2000/kg and metal B costing Rs 400/kg in the ratio A:B=3:1. What is the cost (in /Rs) of 8 kilograms of this alloy?

Question 10

A trader had 9 quintals of wheat. He sold a part of it at 10% profit and the rest at 20% profit, so that he made a total profit of 14 %. How much wheat did he sell at 20% profit?
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