NEW HERE? LEARN MORE
closeclose
Last visit was: 29 Apr 2024, 07:51 It is currently 29 Apr 2024, 07:51
Decision Tracker
My Rewards
New posts
New comers' posts

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.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel

Is x > 0? (1) x^2 > 0 (2) |x| > 0

SORT BY:
Date
Kudos
Tags:
Find Similar Topics 
Show Tags
Hide Tags
User avatar
L
carcass
Board of Directors
Joined: 01 Sep 2010
Posts: 4391
Own Kudos [?]: 32898 [9]
Given Kudos: 4456
Send PM
Is x > 0? (1) x^2 > 0 (2) |x| > 0 [#permalink] New post   Updated on: 31 Oct 2018, 22:10
1
Kudos
8
Bookmarks
Top Contributor
00:00
A
B
C
D
E

Difficulty:

5% (low)

Question Stats:

86% (00:32) correct 14% (00:38) wrong based on 558 sessions
Hide Show timer Statistics
Is \(x > 0\)?


(1) \(x^2>0\)

(2) \(| x | > 0\)
ShowHide Answer
Official Answer
E

Originally posted by carcass on 31 Oct 2018, 10:41.
Last edited by Bunuel on 31 Oct 2018, 22:10, edited 1 time in total.
Renamed the topic, edited the question and the tags.
Most Helpful Reply
User avatar
D
PKN
Director
Director
Joined: 01 Oct 2017
Status:Learning stage
Posts: 825
Own Kudos [?]: 1312 [6]
Given Kudos: 41
WE:Supply Chain Management (Energy and Utilities)
Send PM
Re: Is x > 0? (1) x^2 > 0 (2) |x| > 0 [#permalink] New post   31 Oct 2018, 10:50
4
Kudos
2
Bookmarks
carcass wrote:
Is \(x > 0\)?

(1) \(x^2>0\)
(2) \(| x | > 0\)



St1:- Interval of x: x<0 or x>0

Insufficient.

St2:- Interval of x: x<0 or x>0
Insufficient

Combined:- Interval of x: x<0 or x>0
Insufficient.

Ans. (E)
General Discussion
avatar
B
hsn81960
Manager
Manager
Joined: 16 May 2018
Posts: 63
Own Kudos [?]: 6 [0]
Given Kudos: 45
Location: Hungary
Schools: Queen's MBA'20
Send PM
Re: Is x > 0? (1) x^2 > 0 (2) |x| > 0 [#permalink] New post   11 Jun 2019, 02:49
why is statement 2 not sufficient ?
Doesnt it mean that mod of x = +ve ?
>0
User avatar
D
PKN
Director
Director
Joined: 01 Oct 2017
Status:Learning stage
Posts: 825
Own Kudos [?]: 1312 [1]
Given Kudos: 41
WE:Supply Chain Management (Energy and Utilities)
Send PM
Re: Is x > 0? (1) x^2 > 0 (2) |x| > 0 [#permalink] New post   11 Jun 2019, 04:42
1
Kudos
hsn81960 wrote:
why is statement 2 not sufficient ?
Doesnt it mean that mod of x = +ve ?
>0


1) x=5 , |x|=5 or |x|>0
2) x=-5 , |x|=-(-5)=5 or |x|>0
User avatar
G
TBT
Senior Manager
Senior Manager
Joined: 09 Aug 2020
Posts: 338
Own Kudos [?]: 290 [0]
Given Kudos: 494
Location: India
Concentration: Marketing, General Management
Send PM
Re: Is x > 0? (1) x^2 > 0 (2) |x| > 0 [#permalink] New post   09 Jan 2023, 04:01
Can someone explain how to calculate range of option b? option a is simple < and >. But what if we have mod on left side?
User avatar
L
Bunuel
Math Expert
Joined: 02 Sep 2009
Posts: 93005
Own Kudos [?]: 619905 [0]
Given Kudos: 81627
Send PM
CAT Tests Forum Quiz Mode
Re: Is x > 0? (1) x^2 > 0 (2) |x| > 0 [#permalink] New post   09 Jan 2023, 06:30
Expert Reply
TBT wrote:
Can someone explain how to calculate range of option b? option a is simple < and >. But what if we have mod on left side?


The absolute value of a number is always more than or equal to 0 (|a| ≥ 0), so |x| > 0 simply means that x ≠ 0.
GMAT Club Bot
gmatclubot
Re: Is x > 0? (1) x^2 > 0 (2) |x| > 0 [#permalink]
09 Jan 2023, 06:30
Moderator:
Bunuel
Math Expert
92995 posts

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne
Main navigation
GMAT Resources
Partners
MBA Resources
www.gmac.com|www.mba.com | | GMAT Club Rules | Terms and Conditions