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

It is currently 24 Jul 2014, 15:26

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

Is the average (arithmetic mean) of 5 different positive

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
VP
VP
avatar
Joined: 22 Nov 2007
Posts: 1101
Followers: 6

Kudos [?]: 106 [0], given: 0

GMAT Tests User
Is the average (arithmetic mean) of 5 different positive [#permalink] New post 10 Mar 2008, 22:12
Is the average (arithmetic mean) of 5 different positive integers at least 30?

(1) Each of the integers is a multiple of 10.
(2) The sum of the five integers is 160.
Director
Director
avatar
Joined: 05 Jan 2008
Posts: 709
Followers: 2

Kudos [?]: 86 [0], given: 0

GMAT Tests User
Re: stat gmatprep [#permalink] New post 11 Mar 2008, 01:40
Is it B

We need the sum and number of numbers to compute the mean

thus B alone is sufficient
_________________

Persistence+Patience+Persistence+Patience=G...O...A...L

VP
VP
User avatar
Joined: 22 Oct 2006
Posts: 1443
Schools: Chicago Booth '11
Followers: 7

Kudos [?]: 146 [0], given: 12

GMAT Tests User
Re: stat gmatprep [#permalink] New post 11 Mar 2008, 08:29
B

Although A would work too if you do not count 0 as a multiple. But from my understanding it is a multiple.
VP
VP
avatar
Joined: 22 Nov 2007
Posts: 1101
Followers: 6

Kudos [?]: 106 [0], given: 0

GMAT Tests User
Re: stat gmatprep [#permalink] New post 14 Mar 2008, 08:13
terp26 wrote:
B

Although A would work too if you do not count 0 as a multiple. But from my understanding it is a multiple.


can't figure it out but also 1 is suff and oa is d, source gmatprep. Is it a mistake?
Manager
Manager
avatar
Joined: 02 Mar 2008
Posts: 212
Concentration: Finance, Strategy
Followers: 1

Kudos [?]: 38 [0], given: 1

GMAT Tests User
Re: stat gmatprep [#permalink] New post 14 Mar 2008, 14:36
Nope, because it mentions POSITIVE integer (0 not included) so D
Director
Director
avatar
Joined: 05 Jan 2008
Posts: 709
Followers: 2

Kudos [?]: 86 [0], given: 0

GMAT Tests User
Re: stat gmatprep [#permalink] New post 16 Mar 2008, 04:30
hmmm

Yes D it should be..

taking the 10,20,30,40,50( the smallest multiples of 10) -> 150/5 =30
_________________

Persistence+Patience+Persistence+Patience=G...O...A...L

Director
Director
avatar
Joined: 01 May 2007
Posts: 795
Followers: 1

Kudos [?]: 56 [0], given: 0

GMAT Tests User
Re: stat gmatprep [#permalink] New post 19 Mar 2008, 18:41
I knew it was D...If it seems to simple it has to be a gmat trick. A is suff because the question is ATLEAST 30. So the minimum it could be is 10,20,30,40,50...which would give us 30. So yes, suff. Pick any other 5 multiples of 10 and it will always be greater than 30. thats why its suff.
Re: stat gmatprep   [#permalink] 19 Mar 2008, 18:41
    Similar topics Author Replies Last post
Similar
Topics:
The average (arithmetic mean) of four different positive... sheyla96 1 16 Mar 2013, 22:15
3 Experts publish their posts in the topic Is the average (arithmetic mean) of 5 different positive piyushksharma 12 07 May 2012, 07:55
If the average (arithmetic mean) of 5 different numbers is Value 2 01 Jul 2008, 02:16
Is the average (arithmetic mean) of 5 different positive tarek99 3 10 Dec 2007, 12:03
1 Experts publish their posts in the topic Is the average (arithmetic mean) of 5 different positive bewakoof 19 01 Apr 2006, 15:48
Display posts from previous: Sort by

Is the average (arithmetic mean) of 5 different positive

  Question banks Downloads My Bookmarks Reviews Important topics  


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®.