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

It is currently 16 Oct 2019, 18:31

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| > |y|?

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

Hide Tags

Find Similar Topics 
Intern
Intern
avatar
Joined: 04 Jun 2014
Posts: 2
Is |x| > |y|?  [#permalink]

Show Tags

New post 26 Aug 2014, 13:57
1
4
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

68% (01:05) correct 32% (00:49) wrong based on 239 sessions

HideShow timer Statistics

Is |x| > |y|?

(1) x - y > 0
(2) y > 0
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 58381
Re: Is |x| > |y|?  [#permalink]

Show Tags

New post 26 Aug 2014, 14:27
1
Is |x| > |y|?

The question basically asks whether x is further from 0 than y.

(1) x - y > 0 --> x > y. Well, this is clearly insufficient to answer the question: if x = 1 and y = 0, then the aswer is YES but if x = 1 and y = -2, then the answer is NO. Not sufficient.

(2) y > 0. Also insufficient as we have no info about x.

(1)+(y) Since x > y and y > 0, then x > y > 0. This implies that x must be further from 0 than y. Sufficient.

Answer: C.

P.S. Please read carefully and follow: rules-for-posting-please-read-this-before-posting-133935.html Pay attention to rules 2, 3, and 7. Thank you.


_________________
Manager
Manager
avatar
S
Joined: 13 Mar 2013
Posts: 159
Location: United States
Concentration: Leadership, Technology
GPA: 3.5
WE: Engineering (Telecommunications)
Re: Is |x| > |y|?  [#permalink]

Show Tags

New post 01 Jun 2017, 00:55
Is |x| > |y|?

Remember since modulus is involved . try to use positive and negative values . Then we will cover all the possible cases .

(1) x - y > 0 --> x > y. Well, this is clearly insufficient to answer the question: if x = 1 and y = 0, then the answer is YES but if x = 1 and y = -2, then the answer is NO. Not sufficient.

(2) y > 0. Also insufficient as we have no info about x.

(1)+(y) Since x > y and y > 0, then x > y > 0. This implies that x must be further from 0 than y. Sufficient.

ans is C

Regards,

Press kudos if you like the post
_________________
Regards ,
Senior Manager
Senior Manager
User avatar
S
Joined: 24 Oct 2016
Posts: 251
Location: India
Concentration: Finance, International Business
Schools: IIMB
GMAT 1: 550 Q42 V28
GPA: 3.96
WE: Human Resources (Retail Banking)
Re: Is |x| > |y|?  [#permalink]

Show Tags

New post 23 Jun 2017, 04:52
the answer must be C
we know that x and y could be ++,--,+-,or-+ so from 1 we know that x>y but do not know about signs so out
from 2 we know only about y so its out
by combining both we can say that |x| > |Y|
Manager
Manager
avatar
S
Joined: 05 Nov 2014
Posts: 103
Location: India
Concentration: Strategy, Operations
GMAT 1: 580 Q49 V21
GPA: 3.75
Reviews Badge
Re: Is |x| > |y|?  [#permalink]

Show Tags

New post 24 Jun 2017, 11:25
Is |x| > |y|?

(1) x - y > 0
(2) y > 0

Solution:

Statement 1: x>y. But
Case 1: 3>2---- A scenario for 'Yes'
Case 2: -2>-3. But 2 is not greater than 3.

Statement 2: No information about x.Insufficient.

Combine, we get C.
Senior PS Moderator
User avatar
V
Joined: 26 Feb 2016
Posts: 3341
Location: India
GPA: 3.12
Re: Is |x| > |y|?  [#permalink]

Show Tags

New post 24 Jun 2017, 11:48
(1) x - y > 0
This statement translates to x > y
If both x and y are positive,Both x > y and |x| > |y| are TRUE
However if x is positive(+3), y= negative but with a higher magnitude(-4) though x>y is TRUE, |x| > |y| is FALSE
Insufficient.
(2) y > 0
We have no information about x. Insufficient.

On combining both the statements, it is clear that x > y and |x| > |y|
Since statement B, makes it impossible for y to be negative,
and the only case when x>y is when x has bigger magnitude. Sufficient(Option C)
_________________
You've got what it takes, but it will take everything you've got
Retired Moderator
User avatar
P
Joined: 19 Mar 2014
Posts: 922
Location: India
Concentration: Finance, Entrepreneurship
GPA: 3.5
GMAT ToolKit User
Re: Is |x| > |y|?  [#permalink]

Show Tags

New post 25 Jun 2017, 14:58
\(|x| > |y|?\)

\((1) x - y > 0\)

This means \(x>y\), lets check some values:

\(x = 5\) & \(y = 4, 5 - 4 = 1\), when substituted in the equation \(|x| > |y|\) we get equation is TRUE

\(x = 5\) & \(y = -6, 5 - (-6) = 11\) when substituted in the equation \(|x| > |y|\) we get equation is FALSE

As we are getting two different values =====> Eq. (1) is NOT SUFFICIENT

\((2) y > 0\)

This does not tell us anything about x

=====> Eq. (2) is NOT SUFFICIENT

Combining (1) & (2)

We know y will always be positive (As \(y > 0\)), and \(x - y > 0\)

Which means x will always be greater than y which satisfies the equation

Hence, Answer is C
_________________
"Nothing in this world can take the place of persistence. Talent will not: nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not: the world is full of educated derelicts. Persistence and determination alone are omnipotent."

Best AWA Template: https://gmatclub.com/forum/how-to-get-6-0-awa-my-guide-64327.html#p470475
Non-Human User
User avatar
Joined: 09 Sep 2013
Posts: 13210
Re: Is |x| > |y|?  [#permalink]

Show Tags

New post 01 Nov 2018, 16:58
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
GMAT Club Bot
Re: Is |x| > |y|?   [#permalink] 01 Nov 2018, 16:58
Display posts from previous: Sort by

Is |x| > |y|?

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





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