It is currently 18 Dec 2018, 23:18
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.

Six beads, each a different color, are put into a bag. How

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Senior Manager
Senior Manager
Joined: 20 May 2014
Posts: 282
Followers: 15

Kudos [?]: 49 [0], given: 220

CAT Tests
Six beads, each a different color, are put into a bag. How [#permalink] New post 19 Oct 2017, 01:19
00:00

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Six beads, each a different color, are put into a bag. How many different three-color combinations are possible if 3 beads are drawn out of the bag simultaneously? (Assume the order of the colors does not matter.)

(A) 6
(B) 9
(C) 18
(D) 20
(E) 120

Kudos for correct solution.
[Reveal] Spoiler: OA
1 KUDOS received
Director
Director
Joined: 03 Sep 2017
Posts: 521
Followers: 1

Kudos [?]: 334 [1] , given: 66

Re: Six beads, each a different color, are put into a bag. How [#permalink] New post 19 Oct 2017, 01:30
1
This post received
KUDOS
Since the order does not matter we are talking about combinations. Then, the problem is solved by computing \(\frac{6!}{3!3!} = \frac{6*5*4}{2*3} = 20\).

Answer D
Re: Six beads, each a different color, are put into a bag. How   [#permalink] 19 Oct 2017, 01:30
Display posts from previous: Sort by

Six beads, each a different color, are put into a bag. How

  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®.