It is currently 21 Oct 2017, 09:03

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.

Close

Request Expert Reply

Confirm Cancel

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

How many ways can four married couples sit on a park bench

  post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Director
Director
User avatar
Joined: 07 Nov 2004
Posts: 683

Kudos [?]: 162 [0], given: 0

How many ways can four married couples sit on a park bench [#permalink]

Show Tags

New post 08 Dec 2004, 16:58
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

How many ways can four married couples sit on a park bench if every husband and wife must sit together?

Kudos [?]: 162 [0], given: 0

Intern
Intern
avatar
Joined: 26 Nov 2004
Posts: 47

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

 [#permalink]

Show Tags

New post 08 Dec 2004, 18:35
4!*2^4...did i miss something

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

Director
Director
User avatar
Joined: 07 Nov 2004
Posts: 683

Kudos [?]: 162 [0], given: 0

 [#permalink]

Show Tags

New post 08 Dec 2004, 19:10
foraj wrote:
4!*2^4...did i miss something


It is the right answer. Can you please explain 2^4? Thanks.

Kudos [?]: 162 [0], given: 0

Director
Director
User avatar
Joined: 16 Jun 2004
Posts: 891

Kudos [?]: 65 [0], given: 0

 [#permalink]

Show Tags

New post 08 Dec 2004, 20:05
My understanding is..
1. group the pairs . We will have 4 pairs of husbands and wifes and they can be arranged in 4! ways.
2. Each pair can be arranged in 2! ways.

So 4!*2!*2!*2!*2! = 24 *16 = 384

Kudos [?]: 65 [0], given: 0

Director
Director
User avatar
Joined: 07 Nov 2004
Posts: 683

Kudos [?]: 162 [0], given: 0

 [#permalink]

Show Tags

New post 08 Dec 2004, 20:47
thanks, get it now! :-D

Kudos [?]: 162 [0], given: 0

  [#permalink] 08 Dec 2004, 20:47
Display posts from previous: Sort by

How many ways can four married couples sit on a park bench

  post reply Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

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®.