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

It is currently 21 Oct 2018, 14:06

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

A football team has 99 players. Each player has a uniform nu

  post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Manager
Manager
User avatar
Status: Final Lap
Joined: 25 Oct 2012
Posts: 242
Concentration: General Management, Entrepreneurship
GPA: 3.54
WE: Project Management (Retail Banking)
A football team has 99 players. Each player has a uniform nu  [#permalink]

Show Tags

New post Updated on: 09 Feb 2013, 02:01
1
5
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

77% (00:39) correct 23% (01:35) wrong based on 69 sessions

HideShow timer Statistics

A football team has 99 players. Each player has a uniform number from 1 to 99 and no two players share the same number. When football practice ends, all the players run off the field one-by-one in a completely random manner. What is the probability that the first four players off the field will leave in order of increasing uniform numbers (e.g., #2, then #6, then #67, then #72,etc) ?

(A) 1/64
(B) 1/48
(C) 1/36
(D) 1/24
(E) 1/16

_________________

KUDOS is the good manner to help the entire community.

"If you don't change your life, your life will change you"


Originally posted by Rock750 on 08 Feb 2013, 20:12.
Last edited by Bunuel on 09 Feb 2013, 02:01, edited 1 time in total.
Edited the question and added the OA.
VP
VP
User avatar
Joined: 02 Jul 2012
Posts: 1184
Location: India
Concentration: Strategy
GMAT 1: 740 Q49 V42
GPA: 3.8
WE: Engineering (Energy and Utilities)
Premium Member
Re: A football team has 99 players. Each player has a uniform nu  [#permalink]

Show Tags

New post 08 Feb 2013, 22:00
5
No. of ways in which 4 people can leave the field i.e. No. of ways of arranging 4 people = 4! = 24

Out of these 24 ways, there is only one way in which they are in ascending order.

So, probability = \(\frac{1}{24}\)

Answer is D.
_________________

Did you find this post helpful?... Please let me know through the Kudos button.

Thanks To The Almighty - My GMAT Debrief

GMAT Reading Comprehension: 7 Most Common Passage Types

Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 50009
Re: A football team has 99 players. Each player has a uniform nu  [#permalink]

Show Tags

New post 09 Feb 2013, 02:05
Rock750 wrote:
A football team has 99 players. Each player has a uniform number from 1 to 99 and no two players share the same number. When football practice ends, all the players run off the field one-by-one in a completely random manner. What is the probability that the first four players off the field will leave in order of increasing uniform numbers (e.g., #2, then #6, then #67, then #72,etc) ?

(A) 1/64
(B) 1/48
(C) 1/36
(D) 1/24
(E) 1/16


Similar question to practice: devil-s-dozen-129312.html#p1063874

P.S. Always indicate OA!!! Rule #7 here: rules-for-posting-please-read-this-before-posting-133935.html
_________________

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

Non-Human User
User avatar
Joined: 09 Sep 2013
Posts: 8507
Premium Member
Re: A football team has 99 players. Each player has a uniform nu  [#permalink]

Show Tags

New post 30 Sep 2018, 06:45
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________

GMAT Books | GMAT Club Tests | Best Prices on GMAT Courses | GMAT Mobile App | Math Resources | Verbal Resources

GMAT Club Bot
Re: A football team has 99 players. Each player has a uniform nu &nbs [#permalink] 30 Sep 2018, 06:45
Display posts from previous: Sort by

A football team has 99 players. Each player has a uniform nu

  post reply Question banks Downloads My Bookmarks Reviews Important topics  


Copyright

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®.