GMAT Quantitative Reasoning Practice Test 5

Question : 81 of 100

Marks: +1, -0

X

equals to

Y \%

of what number?
(1)

X=3 Y

.
(2)

6 Y+2 X=56 X {/} 14

Statement (1) BY ITSELF is sufficient to answer the question, but statement (2) by itself is not.
Statement (2) BY ITSELF is sufficient to answer the question, but statement (1) by itself is not.
Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, even though NEITHER statement BY ITSELF is sufficient.
Either statement BY ITSELF is sufficient to answer the question.
Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question, requiring more data pertaining to the problem.

Solution:

From (1) we have

X

and

Y

and therefore we can find

A

easily,

A=300

. (2) Is identical to (1), simplify it and see that it can be written as

X=3 Y

. Either statement by itself is sufficient.

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