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

It is currently 24 May 2019, 14:30

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

Combinatorics Problem from Manhattan

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Manager
Manager
avatar
S
Joined: 17 May 2018
Posts: 137
Location: India
Combinatorics Problem from Manhattan  [#permalink]

Show Tags

New post 13 Apr 2019, 03:04
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

50% (00:11) correct 50% (01:31) wrong based on 2 sessions

HideShow timer Statistics

Combinatorics
Can the experts explain this problem:
https://gmatclub.com/forum/a-mother-bir ... 12#p781653
Didn't find the previous explanations as helpful

Posted from my mobile device
Manager
Manager
avatar
S
Joined: 17 May 2018
Posts: 137
Location: India
Re: Combinatorics Problem from Manhattan  [#permalink]

Show Tags

New post 13 Apr 2019, 03:05
Bunuel IanStewart SajjadAhmad

Posted from my mobile device
Intern
Intern
avatar
B
Joined: 04 Sep 2016
Posts: 49
Location: Germany
GPA: 3
Re: Combinatorics Problem from Manhattan  [#permalink]

Show Tags

New post 13 Apr 2019, 06:46
sumi747 wrote:
Bunuel IanStewart SajjadAhmad

Posted from my mobile device


To pick all the combinations we have to do a 6C3 which is equal to 20

That means 20 combinations are there for everyone to get fed atleast once.

Each combination will have 3 birds. Total birds being fed 20*3 = 60

hence 60 * 5 = 120 which is 5 hours
_________________
Your Kudos are much appreciated


The three great essentials to achieve anything worthwhile are, first, hard work; second, stick-to-itiveness; third, common sense."
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 55271
Re: Combinatorics Problem from Manhattan  [#permalink]

Show Tags

New post 13 Apr 2019, 09:49
GMAT Club Bot
Re: Combinatorics Problem from Manhattan   [#permalink] 13 Apr 2019, 09:49
Display posts from previous: Sort by

Combinatorics Problem from Manhattan

  new topic 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®.