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

 It is currently 04 May 2015, 19:42

### 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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# Mr. x has taken r test and has average of 80%. What must get

 Question banks Downloads My Bookmarks Reviews Important topics
Author Message
TAGS:
Manager
Joined: 25 Feb 2008
Posts: 54
Followers: 0

Kudos [?]: 8 [0], given: 0

Mr. x has taken r test and has average of 80%. What must get [#permalink]  11 Mar 2008, 07:02
Mr. x has taken r test and has average of 80%. What must get on the next test to acheive an average of 82%?

2r+82
2r+80
r+82
2r-80
2r-82

please explain your answer.
thanks
SVP
Joined: 24 Aug 2006
Posts: 2134
Followers: 3

Kudos [?]: 98 [0], given: 0

Re: Average [#permalink]  11 Mar 2008, 07:16
Capthan wrote:
Mr. x has taken r test and has average of 80%. What must get on the next test to acheive an average of 82%?

2r+82
2r+80
r+82
2r-80
2r-82

please explain your answer.
thanks

let x = next test score

(80r + x)/(r+1) = 82

solve for x
Re: Average   [#permalink] 11 Mar 2008, 07:16
Similar topics Replies Last post
Similar
Topics:
5 A positive integer x has 60 divisors and 7x has 80 divisors. What is t 8 22 Jan 2015, 01:01
7 A certain list of 200 test scores has an average 14 27 Apr 2012, 12:33
1 Mr. Kip has been selected in the chorus group. What is the 2 09 Feb 2012, 22:22
1 The average score on a test taken by 10 students was X. If 2 28 Dec 2008, 14:08
Country A has 80 airports (must be a wealthy country!). The 3 10 Feb 2007, 03:39
Display posts from previous: Sort by

# Mr. x has taken r test and has average of 80%. What must get

 Question banks Downloads My Bookmarks Reviews Important topics

 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®.