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Quantitative Aptitude

Mixture & Alligations

How many litr...

Question

How many litres of pure acid are there in 16 litres of a 20% solution?

6.4

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2.4

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3.2

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5.6

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None of these

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Solution

The correct option is C
3.2

$\frac{20}{100}$ $\times$ 16 = 3.2 litres

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Similar questions

Q. How many litres of pure acid are there in

8

litres of a

20 %

concentrated acid solution ?

90 %

acid solution

(90 %

pure acid and

10

water) and

97 %

acid solution are mixed to obtain

21

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95 %

acid solution. How many litres of each solution are mixed?

90% acid solution (90% pure acid and 10% water) and 97% acid solution are mixed to obtain 21 litres of 95% acid solution. How many litres of each solution are mixed.

Let x litres of 90% and y litres of 97% be mixed; then x + y = 21
and 90% of x + 97% of y = 95% of 21.

Q. A solution of

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boric acid is to be diluted by adding a

2 %

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but less than

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How many litres of pure acid are there in 16 litres of a 20% solution?

The correct option is C 3.2 20100×16 = 3.2 litres

The correct option is C
3.2

$\frac{20}{100}$ $\times$ 16 = 3.2 litres