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

It is currently 31 Aug 2014, 00:47

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

On a given day, 50 students in a certain class took a math

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Current Student
User avatar
Joined: 11 May 2008
Posts: 559
Followers: 7

Kudos [?]: 22 [0], given: 0

GMAT Tests User
On a given day, 50 students in a certain class took a math [#permalink] New post 22 Jul 2008, 18:17
On a given day, 50 students in a certain class took a math test. Some of the students w took the test on test paper A, and the remaining of the 50 students took the test on test paper B. What is the average score on the test for the 50 students?
(1) The average score for the students who take the test A was 75.
(2) The average score for the students who take the test B was 77.
Manager
Manager
User avatar
Joined: 05 Jul 2008
Posts: 139
GMAT 1: Q V
GMAT 2: 740 Q51 V38
Followers: 2

Kudos [?]: 66 [0], given: 40

Re: average marks [#permalink] New post 22 Jul 2008, 20:21
arjtryarjtry wrote:
On a given day, 50 students in a certain class took a math test. Some of the students w took the test on test paper A, and the remaining of the 50 students took the test on test paper B. What is the average score on the test for the 50 students?
(1) The average score for the students who take the test A was 75.
(2) The average score for the students who take the test B was 77.


I think it's E coz we don't have the number of students taking each paper test.
Senior Manager
Senior Manager
User avatar
Joined: 28 Feb 2007
Posts: 308
Followers: 1

Kudos [?]: 28 [0], given: 0

GMAT Tests User
Re: average marks [#permalink] New post 22 Jul 2008, 20:42
E.
X- #of stu. who took test A.
(50-X ) is the # of stu. for test B.

1) 75X insuff.
2) 77(50-x) insuff

1+2) (77*50-2x)/50 X=? Insuff.
SVP
SVP
avatar
Joined: 28 Dec 2005
Posts: 1593
Followers: 2

Kudos [?]: 71 [0], given: 2

GMAT Tests User
Re: average marks [#permalink] New post 23 Jul 2008, 03:57
E, as we dont know the breakdown of how many students took test A vs test B
Re: average marks   [#permalink] 23 Jul 2008, 03:57
    Similar topics Author Replies Last post
Similar
Topics:
Of the students N in a certain class, X took a course in bio Maksym 1 03 Jul 2014, 22:57
2 Experts publish their posts in the topic The X boys and Y girls in a certain class took a math test. fozzzy 3 17 Sep 2013, 00:59
3 Experts publish their posts in the topic There are 17 students in a certain class. On the day the te guerrero25 6 17 Mar 2013, 06:00
1 Of the 45 students in a certain class, 30 joined math club, bkk145 12 26 Sep 2007, 18:49
50 students of a certain class took a test. How many of them Cedars 3 24 Oct 2006, 13:57
Display posts from previous: Sort by

On a given day, 50 students in a certain class took a math

  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®.