GMAT Prep: Combinatorics

This topic has expert replies
Junior | Next Rank: 30 Posts
Posts: 11
Joined: Mon Jun 23, 2008 1:42 pm

GMAT Prep: Combinatorics

by rookieingmat » Sun Jun 29, 2008 4:48 pm
A certain company employs 6 senior officers and 4 junior officers. If a committee is to be created that is made up of 3 senior officers and 1 junior officer, how many different committees are possible?

A. 8
B. 24
C. 58
D. 80
E. 210

Could someone solve this?
Source: — Problem Solving |

Legendary Member
Posts: 527
Joined: Mon Jun 02, 2008 9:14 am
Location: Atlanta
Thanked: 17 times

by pandeyvineet24 » Sun Jun 29, 2008 7:12 pm
hi rookieingmat,

Is the answer D ?

6C3 * 4C1 = 20 * 4 = 80

Junior | Next Rank: 30 Posts
Posts: 11
Joined: Mon Jun 23, 2008 1:42 pm

by rookieingmat » Mon Jun 30, 2008 8:03 am
That is the correct answer.

Thanks, Pandeyvineet24.