It is currently 13 Dec 2017, 13:01

Decision(s) Day!:

CHAT Rooms | Ross R1 | Kellogg R1 | Darden R1 | Tepper R1

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

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

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

If m>0 and n>0, is m+x/n+x > m/n?

Author Message
Director
Joined: 12 Jun 2006
Posts: 529

Kudos [?]: 172 [0], given: 1

If m>0 and n>0, is m+x/n+x > m/n? [#permalink]

Show Tags

09 Jun 2007, 21:14
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

answer my question. It's in red.]

________________________________________________________
If m>0 and n>0, is m+x/n+x > m/n?

stmnt 1) m < n

stmnt 2) x is greater than 0

This is how I originally approached this:
Stmnt. 1 says that m is less than n. Therefore, m/n is a propper fraction. I'd think that adding any whole #, x/x, would make the fraction improper. I picked A. Wouldn't stmnt. 1 suffice in answering this? Perhaps x can be positive or negative?

Last edited by ggarr on 09 Jun 2007, 23:43, edited 3 times in total.

Kudos [?]: 172 [0], given: 1

Senior Manager
Joined: 28 Feb 2007
Posts: 300

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

Show Tags

09 Jun 2007, 22:39
Statement 1 is not sufficient.
reasons:
a) what if x=0.
b) try this m=2,n=4 and x=3 then YES
but if x=-3 then NO.

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

Director
Joined: 30 Nov 2006
Posts: 590

Kudos [?]: 320 [0], given: 0

Location: Kuwait

Show Tags

10 Jun 2007, 13:38
We really need to know something about X other than the fact that it's positive. We need to know how is X related to M and N.

Therefore, even if we combine both statements and use them as a single statement, we're still short of information to answer the question.

Kudos [?]: 320 [0], given: 0

Director
Joined: 12 Jun 2006
Posts: 529

Kudos [?]: 172 [0], given: 1

Show Tags

10 Jun 2007, 14:19
Thanks UMB. I def overlooked x =ing 0. the OA is C. stmnt 1 says that m is less than n. this means that the m/n is a proper fraction. adding x/x, a whole number since x/x = 1, will make m/n an improper fraction unless x = 0. stmnt. 2 states that x is greater than 0.

Kudos [?]: 172 [0], given: 1

CEO
Joined: 29 Mar 2007
Posts: 2553

Kudos [?]: 536 [0], given: 0

Show Tags

10 Jun 2007, 14:45
I also thought it was A at first. Its what I picked in my 2min timing. But takin bout another minute after my alloted time, I figured out that its C.

Stmnt 1:
Since M<N>
6/7>4/5 Now lets say x=-2. 2/3<4/5 So A is NOT sufficient. We don't know whether x is negative or positive.

Stmnt 2: x>0. We dont know anything about m or n so we cannot determine anything from just this. M>N or M<N we have no idea.

UMB you can't say x=-3 for stmnt 2 b/c it says that x is greater than 0.

stmnt 1: established a relationship between m and n saying m<n>0. SO since x cannot be negative adding any positive value to m and then n will give us a greater value than m/n.

Try it even w/ fractions:

(4+1/10)/(5+1/10) equates out to 41/10/51/10--> 41/51 or 4.1/5.1 which is greater (just slightly) than 4/5.

Kudos [?]: 536 [0], given: 0

10 Jun 2007, 14:45
Display posts from previous: Sort by