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

 It is currently 23 May 2013, 13:28

# Average of numbers

Author Message
TAGS:
Intern
Joined: 08 Oct 2009
Posts: 8
Followers: 0

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

Average of numbers [#permalink]  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
Joined: 02 Sep 2009
Posts: 11591
Followers: 1798

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

Re: Average of numbers [#permalink]  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.
_________________
Senior Manager
Joined: 31 Aug 2009
Posts: 426
Location: Sydney, Australia
Followers: 4

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

Re: Average of numbers [#permalink]  08 Oct 2009, 16:00
1
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 Replies Last post
Similar
Topics:
Is the average of X consecutive numbers odd? 8 03 Aug 2004, 09:01
For three numbers, M is the median and A is the average. is 9 05 Jun 2005, 19:10
Average of numbers in calendar year 4 12 Oct 2009, 13:34
4 The average of six number is 30. 6 15 Dec 2011, 08:55
2 What is the average of the following numbers? 6 15 Oct 2012, 23:42
Display posts from previous: Sort by