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# Is xy > x/y? (1) xy > 0 (2) y < 0 A. Statement (1)

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Intern
Joined: 17 Oct 2008
Posts: 7
Is xy > x/y? (1) xy > 0 (2) y < 0 A. Statement (1) [#permalink]

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17 Oct 2008, 10:33
Is xy > x/y?
(1) xy > 0
(2) y < 0

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

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Joined: 05 Jul 2006
Posts: 1741

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17 Oct 2008, 11:04
[quote="mikegao"]Is xy > x/y?
(1) xy > 0
(2) y < 0

stem

xy- x/y > 0

x(y^2 - 1)/y > 0

/y/>1 , x,y both -ve or both +ve

or x+ve and y -ve,/y/<1

FROM 1

x,y has the same sign...........insuff

from 2

y is -ve, no idea about /y/..........insuff

both

x,y have th same sign -ve , no idea about /y/..........insuff

E
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Joined: 17 Jun 2008
Posts: 1504

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17 Oct 2008, 12:01
For xy > x/y,

case1: x > 0 and (y > 1 or y 0 or both < 0. Insufficient to answer the question.
Stmt2 says y < 0. Insufficient.

Combining the two too, insufficient.

Hence, E.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: xy   [#permalink] 17 Oct 2008, 12:01
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# Is xy > x/y? (1) xy > 0 (2) y < 0 A. Statement (1)

Moderator: chetan2u

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