GMAT Quantitative Reasoning Practice Test 4

Question : 12 of 100

Marks: +1, -0

An electrical appliances store sold this month 400% more than the average of all the other months in the year. The sales total for this month was approximately what percent of total sales for this year?

$14 \%$ .
$21 \%$ .
$31 \%$ .
$37 \%$ .
$43 \%$ .

Validate

Solution:

Plug in

1\$

as the sales for each of the other 11 months. On that special month, the store sold

400 \%

(400 \%

of 1 is 4

)

, or

\$5

. The sales of this month relative to the sales of the entire year are

5 /(11+5) .5 / 16

, which is a bit less than

1 / 3(33 \%)

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