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

It is currently 29 Jun 2015, 20:06

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

DS-Aithmetic Mean

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Director
Director
User avatar
Joined: 03 Sep 2006
Posts: 884
Followers: 6

Kudos [?]: 286 [0], given: 33

GMAT ToolKit User
DS-Aithmetic Mean [#permalink] New post 24 Jun 2007, 20:00
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Pl. exp.
Attachments

untitled.PNG
untitled.PNG [ 47.44 KiB | Viewed 305 times ]

Director
Director
User avatar
Joined: 03 Sep 2006
Posts: 884
Followers: 6

Kudos [?]: 286 [0], given: 33

GMAT ToolKit User
Re: DS-Aithmetic Mean [#permalink] New post 24 Jun 2007, 20:19
Himalayan wrote:
LM wrote:
Pl. exp.

C should give answer.

Could you please show the equations with corresponding equations?
Director
Director
User avatar
Joined: 26 Feb 2006
Posts: 905
Followers: 4

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

Re: DS-Aithmetic Mean [#permalink] New post 25 Jun 2007, 06:48
LM wrote:
Himalayan wrote:
LM wrote:
Pl. exp.

C should give answer.

Could you please show the equations with corresponding equations?


managers = m
managers' avg salary = x

directors = d
directors avg salary = y

from 1:
x + 5000 = (xm+dy) / (m+d)
y - x = 5000(m+d)/d

from 2:
y - 15000 = (xm+dy) / (m+d)
y - x = 15000(m+d)/m

from 1 and 2:
5000 (m+d)/d = 15000 (m+d)/m
m = 3d

so C
Re: DS-Aithmetic Mean   [#permalink] 25 Jun 2007, 06:48
    Similar topics Author Replies Last post
Similar
Topics:
Mean of group shanewyatt 3 02 Dec 2009, 12:58
1 mean question? keeshafey 1 06 Oct 2009, 08:33
Experts publish their posts in the topic Mean, median questions. Median > Mean ?? Etc.. icandy 3 09 May 2009, 06:10
DS Mean yb 1 15 Dec 2005, 16:04
For a set of integers, A is the arithmetic mean and S is the AJB77 9 29 Jul 2005, 17:30
Display posts from previous: Sort by

DS-Aithmetic Mean

  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®.