It is currently 24 Mar 2019, 03:10
My Tests

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.

GRE Math Challenge #71-number of students in 3 economics

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
GRE Prep Club Legend
GRE Prep Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4857
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 105

Kudos [?]: 1782 [0], given: 397

GRE Math Challenge #71-number of students in 3 economics [#permalink] New post 03 May 2015, 01:24
Expert's post
00:00

Question Stats:

100% (00:10) correct 0% (00:00) wrong based on 10 sessions
The average (arithmetic mean) number of students in 3 economics classes at a certain college is 24. If the total number of students in 2 of the classes combined is 38, how many students are in the remaining class?

(A) 14
(B) 19
(C) 24
(D) 31
(E) 34
[Reveal] Spoiler: OA

_________________

Sandy
If you found this post useful, please let me know by pressing the Kudos Button

Try our free Online GRE Test

1 KUDOS received
Director
Director
Joined: 20 Apr 2016
Posts: 826
WE: Engineering (Energy and Utilities)
Followers: 11

Kudos [?]: 603 [1] , given: 124

CAT Tests
Re: GRE Math Challenge #71-number of students in 3 economics [#permalink] New post 12 Dec 2017, 12:51
1
This post received
KUDOS
sandy wrote:
The average (arithmetic mean) number of students in 3 economics classes at a certain college is 24. If the total number of students in 2 of the classes combined is 38, how many students are in the remaining class?

(A) 14
(B) 19
(C) 24
(D) 31
(E) 34


Here Let x = number of students in the remaining classes

Total no. of students in the two classes = 38

Therefore we can write as = \(\frac{(38 + x)}{3} = 24\)

or 38 + x = 72

or x= 34 students in the remaining classes.
_________________

If you found this post useful, please let me know by pressing the Kudos Button


Rules for Posting https://greprepclub.com/forum/rules-for ... -1083.html

Re: GRE Math Challenge #71-number of students in 3 economics   [#permalink] 12 Dec 2017, 12:51
Display posts from previous: Sort by

GRE Math Challenge #71-number of students in 3 economics

  Question banks Downloads My Bookmarks Reviews Important topics  


GRE Prep Club Forum Home| About| Terms and Conditions and Privacy Policy| GRE Prep Club Rules| Contact

Powered by phpBB © phpBB Group

Kindly note that the GRE® test is a registered trademark of the Educational Testing Service®, and this site has neither been reviewed nor endorsed by ETS®.