Find all School-related info fast with the new School-Specific MBA Forum
Learn more about the recent changes... close

It is currently 23 May 2013, 13:28
Customize  |  Hide

Search
Register
New posts
Unanswered

Average of numbers

  Question banks Downloads My Bookmarks Reviews  
  Oldest Best Reply
Search for:
 
Print view
First unread post
Author Message
TAGS:
Intern
Intern
Joined: 08 Oct 2009
Posts: 8
Followers: 0

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

Average of numbers [#permalink] New post 08 Oct 2009, 15:20
00:00

Question Stats:

100% (01:30) correct 0% (00:00) wrong based on 0 sessions
1. If the average of three numbers is V. If one of the numbers is Z and another is Y, what is the remaining number?

A. ZY - V
B. Z/V - 3 - Y
C. Z/3 - V - Y
D. 3V- Z - Y
E. V- Z - Y
GMAT Club team member
User avatar
Joined: 02 Sep 2009
Posts: 11591
Followers: 1798

Kudos [?]: 9582 [0], given: 826

GMAT Tests User CAT Tests
Top Member of the Month
Re: Average of numbers [#permalink] New post 08 Oct 2009, 15:55
timmaxwell8 wrote:
1. If the average of three numbers is V. If one of the numbers is Z and another is Y, what is the remaining number?

A. ZY - V
B. Z/V - 3 - Y
C. Z/3 - V - Y
D. 3V- Z - Y
E. V- Z - Y


(Z+Y+X)/3=V --> Z+Y+X=3V --> X=3V-Z-Y

D.
_________________

PLEASE READ AND FOLLOW: 11 Rules for Posting!!!

RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory

COLLECTION OF QUESTIONS:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. NEW!!!

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS ; 9 Devil's Dozen!!!; 10 Number Properties set. NEW!!!


What are GMAT Club Tests?
25 extra-hard Quant Tests

Find out what's new at GMAT Club - latest features and updates

1 KUDOS received
Senior Manager
Senior Manager
Joined: 31 Aug 2009
Posts: 426
Location: Sydney, Australia
Followers: 4

Kudos [?]: 76 [1] , given: 20

GMAT Tests User
Re: Average of numbers [#permalink] New post 08 Oct 2009, 16:00
1
This post received
KUDOS
V. If one of the numbers is Z and another is Y,

Let other number=n
(z+y+n)/3 = v
z+y+n=3v
n = 3v-z-y

ANS = D
Re: Average of numbers   [#permalink] 08 Oct 2009, 16:00
    Similar topics Author Replies Last post
Similar
Topics:
 New posts Is the average of X consecutive numbers odd? saurya_s 8 03 Aug 2004, 09:01
New posts For three numbers, M is the median and A is the average. is Vithal 9 05 Jun 2005, 19:10
New posts EXPERTS_POSTS_IN_THIS_TOPIC Average of numbers in calendar year timmaxwell8 4 12 Oct 2009, 13:34
New posts 4 EXPERTS_POSTS_IN_THIS_TOPIC The average of six number is 30. newmoon 6 15 Dec 2011, 08:55
New posts 2 What is the average of the following numbers? ikokurin 6 15 Oct 2012, 23:42
Display posts from previous: Sort by

Average of numbers

  Question banks Downloads My Bookmarks Reviews  
Print view
First unread post

Moderators: Bunuel, VeritasPrepKarishma, IanStewart

Search for:


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®.

Main navigation

GMAT Resources

Partners

MBA Resources

www.gmac.com|www.mba.com