GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 17 Aug 2018, 10:08

### 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.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# PS-odd integer

Author Message
Director
Joined: 04 Jan 2008
Posts: 818

### Show Tags

29 Mar 2009, 09:20
00:00

Difficulty:

(N/A)

Question Stats:

100% (01:24) correct 0% (00:00) wrong based on 0 sessions

### HideShow timer Statistics

If x and y are integers and xy^2 is a positive odd integer, which of the following must be true?
I. xy is positive.
II. xy is odd.
III. x + y is even.

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III

I am getting B here.Help :

--== 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.

_________________

http://gmatclub.com/forum/math-polygons-87336.html
http://gmatclub.com/forum/competition-for-the-best-gmat-error-log-template-86232.html

Manager
Joined: 19 Aug 2006
Posts: 225

### Show Tags

29 Mar 2009, 09:57
nitya34 wrote:
If x and y are integers and xy^2 is a positive odd integer, which of the following must be true?
I. xy is positive.
II. xy is odd.
III. x + y is even.

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III

I am getting B here.Help

I choose E.
III also applies, because from xy^2 it can be understood that x and y are both odd. Therefore, x+y will always be even.
Director
Joined: 04 Jan 2008
Posts: 818

### Show Tags

29 Mar 2009, 10:06
Thanks Very much
yes got it now
OA-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.

_________________

http://gmatclub.com/forum/math-polygons-87336.html
http://gmatclub.com/forum/competition-for-the-best-gmat-error-log-template-86232.html

Re: PS-odd integer &nbs [#permalink] 29 Mar 2009, 10:06
Display posts from previous: Sort by

# Events & Promotions

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.