Latest Capgemini Aptitude Question SOLUTION: Pure Milk contains 89% water.How much water should be added to form a sample of 22 litre containing 90% water?

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Pure Milk contains 89% water.How much water should be added to form a sample of 22 litre containing 90% water?

Asked In Capgemini Mohammad Danish Mumtaz (11 years ago)

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Garima  (11 years ago)

a sample of 22 litre containing 90% water will have 10% milk i.e. 2.2 ltr milk.

2.2 ltr milk in a mixture of 11% milk means total mixture is 100*2.2/11= 20 ltr.,

so 2 ltr water should be added in 20 ltr mixture of 89% water to make it 22 ltr mixture having 90% water.

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atul dikshit  (11 years ago)

ans 22,(litres of water in 1st mixture for 22 litre=1958,in second case it 1980..so 22 litres of water added)

Is this solution Helpfull? Yes (4) | No (6)  

shayna sharma  (7 years ago)

89 100
/
/
90
/
/
10 1 = 10:1 => 10x=22 litre
x=2.2 litre ans

Is this solution Helpfull? Yes (2) | No   

samuel  (7 years ago)

let the 100 liters be intial value
so water is 89 litrs 11 is milk content
let x liters to be added to the solution then
89+x/100+x=19.8
fafter this go with x=2 for option verfication

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