MEDIUM
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IMPORTANT
Earn 100

4 kg sugar costing 5/kg is mixed with 8 kg of sugar costing 6/kg. What is the average price of the mixture? 

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Important Questions on Alligation and Mixture

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IMPORTANT
In what ratio must rice at  64 per kg be mixed with rice at 74 per kg so that the mixture must be worth  66.50 ?
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6 L of a 20 per cent solution of alcohol in water are mixed with 4 L of 60 per cent solution of alcohol in water. The alcoholic strength of the mixture is:
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A mixture of milk and water contains 55 per cent milk and remaining water. How much water should be added (in percentage) in mixture to reverse the proportion of milk and water?
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A 60 L mixture of milk and water contains 20 per cent water. How many litre of water must be added to make it 25 per cent water?
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IMPORTANT
Three lumps of gold weighing respectively 6, 5, 4 g and of 15,14,1212 carat fineness are mixed together. The fineness of the resulting compound is: 
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IMPORTANT
Pure milk costs 20 per litre. After adding water, the milkman sells the mixture at the rate of 18 per litre, thereby making a profit of 25%. In what ratio does he mix that two?
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IMPORTANT
A 60 L milk- water mixture contains 40 per cent milk. How much pure milk is to be added to this mixture to make the mixture 40 per cent water?
MEDIUM
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IMPORTANT
The quantity of water (in mL) added to reduce the strength of 9 mL of an after-shave lotion from 50 per cent alcohol to 30 per cent alcohol is: