GMAT Quantitative Reasoning Practice Test 3

Question : 54 of 100

Marks: +1, -0

A 340-liter solution of Kola is made from 88% water, 5% concentrated Kola and the rest is made from sugar. If 3.2 liters of sugar, 10 liter of water and 6.8 liters of concentrated Kola were added to the solution, what percent of the solution is made from sugar?

$6%$
$7.5%$
$9.2%$
$10.5%$
$11%$

Validate

Solution:

100 \%-88 \%-5 \%=7 \%

of the solution is made from sugar, which is

0.07 × 340=23.8

liters. 3.2 liters of sugar were added to the solution, so there are 27 liters of sugar in the solution.
The total volume of the solution is:

340+3.2+10+6.8=360

liters.

27 / 360=3 / 40

, which is

7.5 \%

percent.

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