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Quantitative Aptitude

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Mixtures & Alligation

Question
17 out of 25
 

How much water must be mixed in 300 ml of sugar solution which contains 40% sugar by weight, such that it becomes a 30% sugar solution?



A 50
B 75
C 100
D 90
E None of these

Ans. C Total quantity = 300 ml

Sugar by weight = 120 ml

Water = 180 ml

Let x be the amount of water added to the solution then

1200 = 900 + 3x

300 = 3x

X = 100 ml

Mixtures & Alligation Flashcard List

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