GMAT Quantitative Reasoning Practice Test 2

Question : 27 of 100

Marks: +1, -0

Ross has 40 shirts,

3 / 4

of the shirts are green and

1 / 10

is without buttons.
Therefore, Ross has between and shirts with buttons that are not green.

$6 ; 10$
$4 ; 25$
$4 ; 10$
$5 ; 25$
$3 ; 10$

Validate

Solution:

Notice that the groups that we are looking for a overlapping are the not-green shirts and the buttoned ones. The not-green shirts are a quarter of 40,10 shirts.
The shirts with buttons are

9 \/ 10 × 40=36

.
The maximum overlapping is the size of the smallest group: 10 .
The minimum overlapping is:

36+10-40=6

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