Find all School-related info fast with the new School-Specific MBA Forum
Learn more about the recent changes... close

It is currently 25 May 2013, 08:14
Customize  |  Hide

Search
Register
New posts
Unanswered

How many 8-letter words can be created using computer

  Question banks Downloads My Bookmarks Reviews  
  Oldest Best Reply
Search for:
 
Print view
First unread post
Author Message
TAGS:
Senior Manager
Senior Manager
Joined: 02 Dec 2007
Posts: 461
Followers: 1

Kudos [?]: 19 [0], given: 6

GMAT Tests User
How many 8-letter words can be created using computer [#permalink] New post 27 Aug 2008, 08:50
. 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
Joined: 15 Jul 2008
Posts: 213
Followers: 3

Kudos [?]: 14 [0], given: 0

GMAT Tests User
Re: 8 letter word [#permalink] New post 27 Aug 2008, 09:54
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: 1842
Location: New York
Followers: 20

Kudos [?]: 291 [0], given: 5

GMAT Tests User
Re: 8 letter word [#permalink] New post 27 Aug 2008, 09:55
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
Joined: 22 Jul 2008
Posts: 156
Followers: 1

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

Re: 8 letter word [#permalink] New post 27 Aug 2008, 10:33
8 C 0 + 8 C 1 + 8 C 2 + ...........+ 8 C 8 = 2^8 = 256
Current Student
User avatar
Joined: 11 May 2008
Posts: 562
Followers: 5

Kudos [?]: 11 [0], given: 0

GMAT Tests User
Re: 8 letter word [#permalink] New post 27 Aug 2008, 18:26
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
Joined: 18 May 2008
Posts: 1
Followers: 0

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

Re: 8 letter word [#permalink] New post 27 Aug 2008, 22:03
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, 22:03
    Similar topics Author Replies Last post
Similar
Topics:
 New posts In how many ways can the laetters of the word "COMPUTER" be nocilis 4 05 Jan 2005, 23:36
Popular new posts 2 EXPERTS_POSTS_IN_THIS_TOPIC On how many ways can the letters of the word "COMPUTER" be a sonfbm 13 25 Jun 2007, 14:04
New posts 1 EXPERTS_POSTS_IN_THIS_TOPIC In how many ways can the letters of the word "COMPUTER" jakolik 2 27 Jul 2010, 20:50
New posts EXPERTS_POSTS_IN_THIS_TOPIC In how many ways can the letters of the word "COMPUTER" mohan514 1 10 Jan 2012, 07:08
New posts 2 EXPERTS_POSTS_IN_THIS_TOPIC How many words can be formed using all the letters of "EQUAT cyberjadugar 5 16 Jun 2012, 20:38
Display posts from previous: Sort by

How many 8-letter words can be created using computer

  Question banks Downloads My Bookmarks Reviews  
Print view
First unread post

Moderators: Bunuel, VeritasPrepKarishma

Search for:


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®.

Main navigation

GMAT Resources

Partners

MBA Resources

www.gmac.com|www.mba.com