It is currently 18 Dec 2017, 01:16

### 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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# HARD PS GMAT PREP

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 08 May 2004
Posts: 157

Kudos [?]: [0], given: 0

Location: Pittsburgh
HARD PS GMAT PREP [#permalink]

### Show Tags

06 Aug 2006, 14:34
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Helppp
Totally lost on how to solve the problem
Attachments

xyhards.jpg [ 113.2 KiB | Viewed 1097 times ]

Kudos [?]: [0], given: 0

Manager
Joined: 26 Jun 2006
Posts: 151

Kudos [?]: 7 [0], given: 0

### Show Tags

06 Aug 2006, 17:06
Try plugging numbers x=1 and y=1 and you will see that only II is true

Another way is square all expressions and go from there. It also leads to II, but it could take longer, IMO

Kudos [?]: 7 [0], given: 0

06 Aug 2006, 17:06
Display posts from previous: Sort by

# HARD PS GMAT PREP

 post reply Question banks Downloads My Bookmarks Reviews Important topics

 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®.