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Quantitative Aptitude

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Mixtures & Alligation

Question
5 out of 25
 

A Can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?



A 10
B 20
C 21
D 25
E None of These

Ans. C Suppose A can contains 7x and 5x litre Mixture A and B respectively.

Quantity of A in mixture left

Quantity of B in mixture left =

252x – 189 = 140x + 147

112x = 336 = x =3

So quantity = 21 litre

Mixtures & Alligation Flashcard List

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