It is currently 19 Apr 2018, 21:58

### 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

# How many math majors are in Professor X’s physics class? (1) If Profes

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 44566
How many math majors are in Professor X’s physics class? (1) If Profes [#permalink]

### Show Tags

13 Apr 2018, 02:00
00:00

Difficulty:

(N/A)

Question Stats:

100% (00:43) correct 0% (00:00) wrong based on 15 sessions

### HideShow timer Statistics

How many math majors are in Professor X’s physics class?

(1) If Professor X admits 10 more students into the class, and if all the newly admitted students are math majors, then the ratio of non-math majors to math majors would be 5 to 4.

(2) Currently, there are 25 non-math majors in Professor X’s class.

The OA will be automatically revealed on Friday 20th of April 2018 02:00:18 AM Pacific Time Zone
_________________
Intern
Joined: 10 Jan 2017
Posts: 6
Location: India
Concentration: Social Entrepreneurship, General Management
WE: Information Technology (Computer Software)
Re: How many math majors are in Professor X’s physics class? (1) If Profes [#permalink]

### Show Tags

13 Apr 2018, 08:25
Bunuel wrote:
How many math majors are in Professor X’s physics class?

(1) If Professor X admits 10 more students into the class, and if all the newly admitted students are math majors, then the ratio of non-math majors to math majors would be 5 to 4.

(2) Currently, there are 25 non-math majors in Professor X’s class.

I)

m=no. of math major students
n=no. of non math major students

$$\frac{n}{m+10}$$ = $$\frac{5}{4}$$ ==> 4n-5m = 50

not sufficient

II) n=25

not sufficient

Using I & II m=10

Therefore ans C
Re: How many math majors are in Professor X’s physics class? (1) If Profes   [#permalink] 13 Apr 2018, 08:25
Display posts from previous: Sort by

# How many math majors are in Professor X’s physics class? (1) If Profes

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne 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®.