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

It is currently 31 Jul 2015, 17:54
GMAT Club Tests

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

If w,x,y and z are distinct positive integers such that

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
GMAT Instructor
avatar
Joined: 04 Jul 2006
Posts: 1266
Location: Madrid
Followers: 25

Kudos [?]: 169 [0], given: 0

If w,x,y and z are distinct positive integers such that [#permalink] New post 26 Aug 2006, 10:24
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If w,x,y and z are distinct positive integers such that w+x+y+z=150, which of the following must be true?

(I) If the three sums w+x, y+z and w+z are all even, at least one of {w,x,y,z} is greater than 40.
(II) If x/(w+y+z) > y/(x+w+z), x>y.
(III) If w,x, and y are factors of z, z is either 80 or 144.

Last edited by kevincan on 26 Aug 2006, 12:51, edited 1 time in total.
Director
Director
User avatar
Joined: 28 Dec 2005
Posts: 755
Followers: 1

Kudos [?]: 8 [0], given: 0

 [#permalink] New post 26 Aug 2006, 12:42
I seems unclear, could you clarify this part "f w+x and y+z w+z are all even"
Director
Director
User avatar
Joined: 06 May 2006
Posts: 780
Followers: 3

Kudos [?]: 17 [0], given: 0

 [#permalink] New post 26 Aug 2006, 13:00
I - means x y z w are all odd, or all even. Couldn't find a combo in even integers that had all below 40. So this is true...
II - Also seems to be true... Componendo rule? Also tried with numeric examples
III - :shock:
VP
VP
User avatar
Joined: 29 Dec 2005
Posts: 1348
Followers: 7

Kudos [?]: 38 [0], given: 0

Re: PS: distinct positive integers [#permalink] New post 26 Aug 2006, 13:05
kevincan wrote:
If w,x,y and z are distinct positive integers such that w+x+y+z=150, which of the following must be true?

(I) If w+x and y+z w+z are all even, at least one of {w,x,y,z} is greater than 40.
(II) If x/(w+y+z) > y/(x+w+z), x>y.
(III) If w,x, and y are factors of z, z is either 80 or 144.


I and II are true but not sure about III. confirm later.

Quote:
(I) If (w+x), (y+z) and (w+z) are all even, at least one of {w,x,y,z} is greater than 40.
Re: PS: distinct positive integers   [#permalink] 26 Aug 2006, 13:05
Display posts from previous: Sort by

If w,x,y and z are distinct positive integers such that

  Question banks Downloads My Bookmarks Reviews Important topics  


cron

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®.