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Is xy < 0?

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Is xy < 0?  [#permalink]

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14 Jan 2017, 09:00
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00:00

Difficulty:

45% (medium)

Question Stats:

51% (00:51) correct 49% (00:48) wrong based on 120 sessions

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Is xy < 0?

(1) xy is not a positive integer.
(2) xy is not a negative integer.

_________________
Math Expert
Joined: 02 Aug 2009
Posts: 7952
Re: Is xy < 0?  [#permalink]

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14 Jan 2017, 10:03
Bunuel wrote:
Is xy < 0?

(1) xy is not a positive integer.
(2) xy is not a negative integer.

Hi..
Few points to remember while dealing with numbers and variable..
1) a variable can be any of the three - positive, negative and ZERO..
2) a variable can be integer or non integer unless specified

Now let's see the statements..

(1) xy is not a positive integer.
xy can be positive non integer OR negative number OR 0..
So answer can be YES if negative number otherwise NO..
Insufficient

(2) xy is not a negative integer
xy can be negative non integer OR positive number OR 0..
So answer can be YES if negative non integer otherwise NO..
Insufficient

Combined..
It can be positive noninteger or negative noninteger or 0..
Insufficient

E
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Joined: 17 May 2016
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Re: Is xy < 0?  [#permalink]

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14 Jan 2017, 11:01
E

1.) XY is not positive integer.
Possible values are -ve integer, 0 , +ve/-ve decimal .
Insufficient

2.) XY is not negative integer.
Possible values are +ve integer, 0 , +ve/-ve decimal .
Insufficient

Comsidering both 1+2
Possible values are 0 , +ve/-ve decimal .
Insufficient

Hence E

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Re: Is xy < 0?  [#permalink]

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14 Jan 2017, 23:23
stmt-1 : xy can be either -ve Number or +ve fraction or zero. insuff.

stmt-2 : xy can be either +ve Number or -ve fraction or zero. insuff.

If we combine the two - xy can be either zero or +ve/-ve fraction. hence xy cab be <0 or >0 or =0. Insuff.

Answer should be E.
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Re: Is xy < 0?  [#permalink]

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02 Mar 2018, 01:18
Hello from the GMAT Club BumpBot!

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Re: Is xy < 0?   [#permalink] 02 Mar 2018, 01:18
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Is xy < 0?

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The text passage is a GMAT question and solution, specifically a Data Sufficiency problem. It asks whether the product of two variables, x and y, is less than zero and provides two statements to evaluate.
single_question_with_answer
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 14 Oct 2019, 06:15

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

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Is xy < 0?

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
TAGS:

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Math Expert
Joined: 02 Sep 2009
Posts: 58312
Is xy < 0?  [#permalink]

Show Tags

14 Jan 2017, 09:00
3
2
00:00

Difficulty:

45% (medium)

Question Stats:

51% (00:51) correct 49% (00:48) wrong based on 120 sessions

HideShow timer Statistics

Is xy < 0?

(1) xy is not a positive integer.
(2) xy is not a negative integer.

_________________
Math Expert
Joined: 02 Aug 2009
Posts: 7952
Re: Is xy < 0?  [#permalink]

Show Tags

14 Jan 2017, 10:03
Bunuel wrote:
Is xy < 0?

(1) xy is not a positive integer.
(2) xy is not a negative integer.

Hi..
Few points to remember while dealing with numbers and variable..
1) a variable can be any of the three - positive, negative and ZERO..
2) a variable can be integer or non integer unless specified

Now let's see the statements..

(1) xy is not a positive integer.
xy can be positive non integer OR negative number OR 0..
So answer can be YES if negative number otherwise NO..
Insufficient

(2) xy is not a negative integer
xy can be negative non integer OR positive number OR 0..
So answer can be YES if negative non integer otherwise NO..
Insufficient

Combined..
It can be positive noninteger or negative noninteger or 0..
Insufficient

E
_________________
Intern
Joined: 17 May 2016
Posts: 7
WE: Information Technology (Computer Software)
Re: Is xy < 0?  [#permalink]

Show Tags

14 Jan 2017, 11:01
E

1.) XY is not positive integer.
Possible values are -ve integer, 0 , +ve/-ve decimal .
Insufficient

2.) XY is not negative integer.
Possible values are +ve integer, 0 , +ve/-ve decimal .
Insufficient

Comsidering both 1+2
Possible values are 0 , +ve/-ve decimal .
Insufficient

Hence E

Posted from my mobile device
Retired Moderator
Joined: 22 Jun 2014
Posts: 1093
Location: India
Concentration: General Management, Technology
GMAT 1: 540 Q45 V20
GPA: 2.49
WE: Information Technology (Computer Software)
Re: Is xy < 0?  [#permalink]

Show Tags

14 Jan 2017, 23:23
stmt-1 : xy can be either -ve Number or +ve fraction or zero. insuff.

stmt-2 : xy can be either +ve Number or -ve fraction or zero. insuff.

If we combine the two - xy can be either zero or +ve/-ve fraction. hence xy cab be <0 or >0 or =0. Insuff.

Answer should be E.
_________________
Non-Human User
Joined: 09 Sep 2013
Posts: 13110
Re: Is xy < 0?  [#permalink]

Show Tags

02 Mar 2018, 01:18
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
Re: Is xy < 0?   [#permalink] 02 Mar 2018, 01:18
Display posts from previous: Sort by

Is xy < 0?

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user
The text passage is a GMAT question and solution, specifically a Data Sufficiency problem. It asks whether the product of two variables, x and y, is less than zero and provides two statements to evaluate.

TYPE: SINGLE_QUESTION_WITH_ANSWER