Find all School-related info fast with the new School-Specific MBA Forum
Learn more about the recent changes... close

It is currently 24 May 2013, 14:04
Customize  |  Hide

Search
Register
New posts
Unanswered

A certain company has 18 equally qualified applicants for 4

  Question banks Downloads My Bookmarks Reviews  
  Oldest Best Reply
Search for:
 
Print view
First unread post
Author Message
TAGS:
Manager
Manager
Joined: 21 Mar 2007
Posts: 76
Followers: 1

Kudos [?]: 7 [0], given: 0

A certain company has 18 equally qualified applicants for 4 [#permalink] New post 07 Mar 2008, 04:12
A certain company has 18 equally qualified applicants for 4 open positions. How many different groups of 4 applicants can be chosen by the company to fill the positions if the order of selection does not matter?
A) 18
B) 72
C) 180
D) 1260
E) 3060

Please explain
Manager
Manager
Joined: 31 Oct 2007
Posts: 117
Location: Frankfurt, Germany
Followers: 1

Kudos [?]: 20 [0], given: 0

Re: GMAT Prep Q [#permalink] New post 07 Mar 2008, 04:18
This is a combination question since order is not important.

n!
--------
k! (n-k!)

= 18!
--------
4! 14!

= 18 * 17 * 16 * 15 * 14!
---------------------------
4 * 3 * 2 * 1 * 14!

= 3060 (Ans: E)
_________________

Jimmy Low, Frankfurt, Germany
Blog: http://mytrainmaster.wordpress.com
GMAT Malaysia: http://gmatmalaysia.blogspot.com

Re: GMAT Prep Q   [#permalink] 07 Mar 2008, 04:18
    Similar topics Author Replies Last post
Similar
Topics:
 New posts Of the 12 temporary employees in a certain company, 4 will themagiccarpet 2 16 Nov 2005, 03:01
New posts Q15realset4c: At a certain company, each employee has a shinewine 7 28 Aug 2006, 06:05
New posts 1 EXPERTS_POSTS_IN_THIS_TOPIC GMATPrep 18 equally qualified applicants for 4 open position jpr200012 1 07 Sep 2010, 10:47
New posts A certain company’s net profit in September was equal to 9.8 danzig 2 13 Nov 2012, 13:06
New posts EXPERTS_POSTS_IN_THIS_TOPIC For an employee to qualify for early retirement at a certain ritumaheshwari02 4 26 Nov 2012, 00:12
Display posts from previous: Sort by

A certain company has 18 equally qualified applicants for 4

  Question banks Downloads My Bookmarks Reviews  
Print view
First unread post

Moderators: Bunuel, VeritasPrepKarishma

Search for:


cron

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®.

Main navigation

GMAT Resources

Partners

MBA Resources

www.gmac.com|www.mba.com