| View previous topic :: View next topic |
| Author |
Message |
CITI29
Rising GMAT Star
Joined: 18 Mar 2008
Posts: 95
Thanks given: 0
Thanked 0 times in 0 posts
|
 Posted: Sun Jul 13, 2008 5:07 pm Post subject: confusing |
 |
|
Are all of the numbers in a certain list of 15 numbers
equal?
(1) The sum of all the numbers in the list is 60
(2) The sum of any 3 numbers in the list is 12.
ans is 'b' ...pls explain |
|
| Back to top |
|
 |
|
|
Delph
Just gettin' started!
Joined: 19 Jun 2008
Posts: 5
Thanks given: 0
Thanked 0 times in 0 posts
|
| Posted: Tue Jul 15, 2008 10:50 am Post subject: Re: confusing |
|
|
| CITI29 wrote: | Are all of the numbers in a certain list of 15 numbers
equal?
(1) The sum of all the numbers in the list is 60
(2) The sum of any 3 numbers in the list is 12.
ans is 'b' ...pls explain |
1) can be:
4+4+4...+4 - True
5+3+4+...+4 - False
=>Not A or D
2) If the sum of ANY 3 numbers is 12 - it means that n could only be equal to 4. Thus it's always TRUE - all of the numbers are equal. |
|
| Back to top |
|
|
|
|
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You cannot download files in this forum
|
|
"GMAT" and other GMAC™ trademarks are registered trademarks of the Graduate Management Admission Council™. The Graduate Management Admission Council™ does not endorse, nor is it affiliated in any way with the owner or any content on this website. The opinions expressed here are solely those of the author or those of the members of this website. Copyright © 2008 BTG Test Prep, LLC. Powered by phpBB © 2001, 2005 phpBB Group.
|
|
