advice needed on DS question : General GMAT Questions and Strategies
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 23 Jan 2017, 17:12

### 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

# advice needed on DS question

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Intern
Joined: 14 Jun 2013
Posts: 1
Followers: 0

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

### Show Tags

14 Jun 2013, 22:08
Q:
Is x = 1?
(1) x2 = 1/x2
(2) x2 = 1/x

from 1: we get (x4-1) = 0
(x2-1) ( x2+1) =0 you get x =1,-1 or other non-integer values.

From 2: x3-1 = 0 thus , x=1 or non-integer values.

Is it ok to ignore other non- integer solutions , though it is not specified x is an integer?

Thanks
Saurabh
advice needed on DS question   [#permalink] 14 Jun 2013, 22:08
Similar topics Replies Last post
Similar
Topics:
2 Hard PS-DS question, Tricky Questions - Do we really need them? 3 03 Nov 2014, 07:25
1 NEED HARD DS questions for practice. 6 26 Aug 2011, 08:38
Is x-y+1 greater than x+y-1? 1) x>0 2) y<0 10 01 Jun 2011, 13:15
Need Advice 4 07 Oct 2007, 12:33
advice needed 9 04 Oct 2007, 02:05
Display posts from previous: Sort by

# advice needed on DS question

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics

Moderators: WaterFlowsUp, HiLine

 Powered by phpBB © phpBB Group and phpBB SEO 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®.