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

It is currently 28 Aug 2014, 03:18

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

Is x > y?

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
1 KUDOS received
Manager
Manager
User avatar
Joined: 07 Feb 2011
Posts: 89
Followers: 0

Kudos [?]: 13 [1] , given: 43

Is x > y? [#permalink] New post 13 Feb 2013, 08:42
1
This post received
KUDOS
1
This post was
BOOKMARKED
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

77% (01:55) correct 23% (00:50) wrong based on 47 sessions
Is x > y?

(1) x^2 > y

(2) x – |y| > 0

[Reveal] Spoiler:
My understtanding: All statement 1 tells us for sure is x is not 0
Statement 2 we can break into two staments

x>y
OR
x>-y

What I dont get is only one of those statements being true makes B the correct choice...so how is B the correct choice when there are two possibilities for a solution?
[Reveal] Spoiler: OA

_________________

We appreciate your kudos'


Last edited by Bunuel on 13 Feb 2013, 08:50, edited 1 time in total.
RENAMED THE TOPIC.
Manager
Manager
User avatar
Joined: 04 Oct 2011
Posts: 225
Location: India
Concentration: Entrepreneurship, International Business
GMAT 1: 440 Q33 V13
GMAT 2: 0 Q0 V0
GPA: 3
Followers: 0

Kudos [?]: 26 [0], given: 44

Re: Is x > y? [#permalink] New post 13 Feb 2013, 08:58
manimgoindowndown wrote:
Is x > y?

(1) x^2 > y

(2) x – |y| > 0

[Reveal] Spoiler:
My understtanding: All statement 1 tells us for sure is x is not 0
Statement 2 we can break into two staments

x>y
OR
x>-y

What I dont get is only one of those statements being true makes B the correct choice...so how is B the correct choice when there are two possibilities for a solution?



Yes u got it right way! but u gotta complete it buddy :)

ya definitely S1 is not sufficent

But S2 is a trap.
x>y
OR
x>-y

assume numbers for x and y in this case
let x=4 and y=3 so 4>3
like wise x=4 and y=-3 this also 4>-3

So x>|y| always will be x>y

Hope i helped u :)
_________________

GMAT - Practice, Patience, Persistence
Kudos if u like :)

Expert Post
Verbal Forum Moderator
Verbal Forum Moderator
User avatar
Joined: 10 Oct 2012
Posts: 627
Followers: 41

Kudos [?]: 556 [0], given: 135

Premium Member
Re: Is x > y? [#permalink] New post 15 Feb 2013, 01:35
Expert's post
From F.S 1, we can have x=-5,y=-3. Thus , x^2>y, but x<y. Hence the answer is NO. Now, for x=5,y=3, x^2>y and x>y. Here the answer is a YES. Thus not sufficient.

Fro F.S 2, x-mod(y)>0. Thus, x>mod(y). Whatever be the sign of y, x>y(always). Sufficient.

B.
_________________

All that is equal and not-Deep Dive In-equality

Hit and Trial for Integral Solutions

Moderator
Moderator
User avatar
Joined: 02 Jul 2012
Posts: 1226
Location: India
Concentration: Strategy
GMAT 1: 740 Q49 V42
GPA: 3.8
WE: Engineering (Energy and Utilities)
Followers: 64

Kudos [?]: 660 [0], given: 116

GMAT Tests User Premium Member
Re: Is x > y? [#permalink] New post 15 Feb 2013, 02:16
manimgoindowndown wrote:
Is x > y?

(1) x^2 > y

(2) x – |y| > 0

[Reveal] Spoiler:
My understtanding: All statement 1 tells us for sure is x is not 0
Statement 2 we can break into two staments

x>y
OR
x>-y

What I dont get is only one of those statements being true makes B the correct choice...so how is B the correct choice when there are two possibilities for a solution?


From 2, we get that x - |y| is positive.

Since |y| is postive, this means that x is also positive.

So, if "y" is negative, it automatically means that x is greater than y.

If "y" is positive,

x - y still gives a postive number. Hence x is again greater than y.

Answer is hence B.
_________________

Did you find this post helpful?... Please let me know through the Kudos button.

Thanks To The Almighty - My GMAT Debrief

GMAT Reading Comprehension: 7 Most Common Passage Types

Re: Is x > y?   [#permalink] 15 Feb 2013, 02:16
    Similar topics Author Replies Last post
Similar
Topics:
3 Experts publish their posts in the topic Is |x + y| > |x - y| ? josemarioamaya 4 25 Sep 2013, 13:07
38 Experts publish their posts in the topic Is |x-y|>|x|-|y| mmphf 34 13 Nov 2011, 16:29
2 Experts publish their posts in the topic Is |x - y| > |x + y|? bibha 12 02 Aug 2010, 23:16
10 Experts publish their posts in the topic If x + y > 0, is x > |y|? bibha 15 07 May 2010, 21:05
9 Experts publish their posts in the topic Is |x - y| > |x| - |y|? study 15 17 Nov 2009, 03:52
Display posts from previous: Sort by

Is x > y?

  Question banks Downloads My Bookmarks Reviews Important topics  


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®.