Find all School-related info fast with the new School-Specific MBA Forum

It is currently 30 Jul 2014, 01:18

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

M1 q19 error?

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Intern
Intern
avatar
Joined: 09 Nov 2009
Posts: 21
Followers: 1

Kudos [?]: 1 [0], given: 3

M1 q19 error? [#permalink] New post 15 Nov 2009, 09:30
I think this is an error. If we plug in x < 1 and x >1 we get to different results if y =1. Stem does not state M is an interger. Am I off?
CIO
CIO
avatar
Joined: 02 Oct 2007
Posts: 1218
Followers: 87

Kudos [?]: 638 [0], given: 334

GMAT ToolKit User GMAT Tests User
Re: M1 q19 error? [#permalink] New post 16 Nov 2009, 00:12
I'm sorry, I don't follow how you arrived to this conclusion. Where did you plug the values of X in?
If we take S1, we get this:
\sqrt{X} \gt \sqrt{Y}
or
X \gt Y
after we square both sides. Why would you plug in X \lt 1 and Y =1 in there if it says that X \gt Y? S1 is sufficient to answer the question.
Let's see what we have with S2:
X^2 \gt Y^2
I see no reason to plug X \lt 1 and Y=1 in here... S2 is not sufficient since plugging in X=4, Y=2 and X=-4, Y=2 produce different results while not violating S2.

I hope this helps.

ajonas wrote:
I think this is an error. If we plug in x < 1 and x >1 we get to different results if y =1. Stem does not state M is an interger. Am I off?

_________________

Welcome to GMAT Club! :)
Facebook TwitterGoogle+LinkedIn
Want to solve GMAT questions on the go? GMAT Club iPhone app will help.
Please read this before posting in GMAT Club Tests forum
Result correlation between real GMAT and GMAT Club Tests
Are GMAT Club Test sets ordered in any way?

Take 15 free tests with questions from GMAT Club, Knewton, Manhattan GMAT, and Veritas.

Get the best GMAT Prep Resources with GMAT Club Premium Membership

Re: M1 q19 error?   [#permalink] 16 Nov 2009, 00:12
    Similar topics Author Replies Last post
Similar
Topics:
M25 Q19 gmatjon 3 15 Sep 2009, 07:46
gmatprept1q19 bigtreezl 1 20 Jun 2009, 16:51
26 Experts publish their posts in the topic M25 Q19 jenyang5268 16 13 Mar 2009, 10:31
1 Experts publish their posts in the topic M01 Q19 priyankur_saha@ml.com 23 24 Feb 2009, 20:38
Q 19 Challenge 25 Loner 4 24 Apr 2006, 06:10
Display posts from previous: Sort by

M1 q19 error?

  Question banks Downloads My Bookmarks Reviews Important topics  

Moderators: Bunuel, WoundedTiger



GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

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®.