Find all School-related info fast with the new School-Specific MBA Forum

It is currently 28 Jul 2015, 19:03
GMAT Club 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.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

How many 8-letter words can be created using computer

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
Senior Manager
Senior Manager
avatar
Joined: 02 Dec 2007
Posts: 462
Followers: 2

Kudos [?]: 68 [0], given: 6

How many 8-letter words can be created using computer [#permalink] New post 27 Aug 2008, 07:50
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

. How many 8-letter words can be created using computer language (0/1 only)?

a) 16
b) 64
c) 128
d) 256
e) 512
Manager
Manager
avatar
Joined: 15 Jul 2008
Posts: 207
Followers: 3

Kudos [?]: 33 [0], given: 0

Re: 8 letter word [#permalink] New post 27 Aug 2008, 08:54
x2suresh wrote:
Nihit wrote:
. How many 8-letter words can be created using computer language (0/1 only)?

a) 16
b) 64
c) 128
d) 256
e) 512


\(2^8 =128\)


2^8 = 256 :-D
SVP
SVP
User avatar
Joined: 07 Nov 2007
Posts: 1824
Location: New York
Followers: 29

Kudos [?]: 572 [0], given: 5

Re: 8 letter word [#permalink] New post 27 Aug 2008, 08:55
bhushangiri wrote:
x2suresh wrote:
Nihit wrote:
. How many 8-letter words can be created using computer language (0/1 only)?

a) 16
b) 64
c) 128
d) 256
e) 512


\(2^8 =128\)


2^8 = 256 :-D

I KNOW .. I will be famous for silly mistakes
_________________

Your attitude determines your altitude
Smiling wins more friends than frowning

Manager
Manager
avatar
Joined: 22 Jul 2008
Posts: 154
Followers: 1

Kudos [?]: 10 [0], given: 0

Re: 8 letter word [#permalink] New post 27 Aug 2008, 09:33
8 C 0 + 8 C 1 + 8 C 2 + ...........+ 8 C 8 = 2^8 = 256
Current Student
User avatar
Joined: 11 May 2008
Posts: 560
Followers: 7

Kudos [?]: 64 [0], given: 0

Re: 8 letter word [#permalink] New post 27 Aug 2008, 17:26
how come we dont have to divide???
usually we divide by no. of similar things right??
out of 5 cars 2 are blue and 3 are red. how many ways can we arrange?
5!/(2!*3!).
so why not here?
Intern
Intern
avatar
Joined: 18 May 2008
Posts: 1
Followers: 0

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

Re: 8 letter word [#permalink] New post 27 Aug 2008, 21:03
arjtryarjtry wrote:
how come we dont have to divide???
usually we divide by no. of similar things right??
out of 5 cars 2 are blue and 3 are red. how many ways can we arrange?
5!/(2!*3!).
so why not here?


Each letter has 2 ways to write (either 0 or 1). Because there are 8 letters, numbers of words are 2^8
Re: 8 letter word   [#permalink] 27 Aug 2008, 21:03
Display posts from previous: Sort by

How many 8-letter words can be created using computer

  Question banks Downloads My Bookmarks Reviews Important topics  


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

Powered by phpBB © phpBB Group and phpBB SEO

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®.