GMAT Quantitative Reasoning Practice Test 2

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Question : 58 of 100

Marks: +1, -0

If

1 {/} X=2.5

, then what is the value of

1 {/}(X-2 {/} 3)

?

$2.25$
$-3.5$
$-3.75$
$1.75$
$3.75$

Solution:

If

1 / X

is 2.5 or

5 / 2

then

X=2 / 5

.

1 /(2 / 5-2 / 3)

is

1 /(6 / 15-10 / 15)=-15 / 4=-3.75

.

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