GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 19 Sep 2019, 05:50

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.

Close

Request Expert Reply

Confirm Cancel

Is x positive? (1) 0, on a number line, is close to x+10 than to x.

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Math Expert
User avatar
V
Joined: 02 Aug 2009
Posts: 7830
Is x positive? (1) 0, on a number line, is close to x+10 than to x.  [#permalink]

Show Tags

New post 18 Dec 2017, 07:45
00:00
A
B
C
D
E

Difficulty:

  55% (hard)

Question Stats:

57% (01:38) correct 43% (01:35) wrong based on 57 sessions

HideShow timer Statistics

Is x positive?

(1) 0, on a number line, is close to x+10 than to x.
(2) 0, on a number line, is close to x than x-10.

_________________
Retired Moderator
User avatar
V
Joined: 27 Oct 2017
Posts: 1242
Location: India
Concentration: International Business, General Management
GPA: 3.64
WE: Business Development (Energy and Utilities)
Re: Is x positive? (1) 0, on a number line, is close to x+10 than to x.  [#permalink]

Show Tags

New post 18 Dec 2017, 08:14
2
Is x positive?
(1) 0, on a number line, is close to x+10 than to x.
Hence mod(x+10)<mod (x)
Squaring we get, x^2+20x+100<x^2
or, 20x+100<0
x <-5
hence sufficient.
(2) 0, on a number line, is close to x than x-10.
hence mod(x)<mod(x-10)
squaring
x^2<x^2-20x+100
solving , x<5
but x can be 4 or -10
hence insufficient.

Hence Answer is A
_________________
GMAT Club Bot
Re: Is x positive? (1) 0, on a number line, is close to x+10 than to x.   [#permalink] 18 Dec 2017, 08:14
Display posts from previous: Sort by

Is x positive? (1) 0, on a number line, is close to x+10 than to x.

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





Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne