GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 19 Jul 2018, 14:34

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

Permutation and Combination

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Intern
Intern
avatar
Joined: 02 Dec 2017
Posts: 6
Permutation and Combination  [#permalink]

Show Tags

New post 03 Dec 2017, 22:48
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

HideShow timer Statistics

You are to make a sitting arrangement for 10 school visitor.

a. How many possible sitting arrangements can you make it all?
b. How many possible sitting arrangements can you make if two visitors must sit next to each other?

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
1 KUDOS received
Intern
Intern
avatar
B
Joined: 27 Jul 2017
Posts: 15
Reviews Badge CAT Tests
Re: Permutation and Combination  [#permalink]

Show Tags

New post 03 Dec 2017, 23:24
1
A) Possible arrangements In circular seating arrangement is 9! And in linear arrangement is 10!
B) circular arrangement - 8!*2!
Linear arrangement - 9!*2!

Sent from my GT-N7100 using GMAT Club Forum mobile app
Expert Post
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 47112
Re: Permutation and Combination  [#permalink]

Show Tags

New post 04 Dec 2017, 08:01
Anica123 wrote:
You are to make a sitting arrangement for 10 school visitor.

a. How many possible sitting arrangements can you make it all?
b. How many possible sitting arrangements can you make if two visitors must sit next to each other?


Please read carefully and follow our RULES OF POSTING. Thank you.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

Re: Permutation and Combination &nbs [#permalink] 04 Dec 2017, 08:01
Display posts from previous: Sort by

Permutation and Combination

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

Moderators: chetan2u, KarishmaB, Bunuel, niks18

Events & Promotions

PREV
NEXT


GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| 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®.