GMAT Quantitative Reasoning Practice Test 1

Question : 57 of 100

Marks: +1, -0

During a sale, the price of a pair of shoes is marked down

10 \%

from the regular price. After the sale ends, the price goes back to the original price. What is the percent of increase to the nearest percent from the sale price back to the regular price for the shoes?

$9 \%$
$10 \%$
$11 \%$
$15 \%$
$90 \%$

Validate

Solution:

Suppose that the shoes cost

\$ 10 . \$ 10-10 \%=10-1=\$ 9

. When the shoes are marked back up,

10 \%

\$ 9

is only 90 cents. Therefore, the markup must be greater than

10 \% . \$ 1 \$ 9=11 \;{1}/{9} \%

, or about

11 \%

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