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

It is currently 27 Aug 2014, 07:13

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
TAGS:
Senior Manager
Senior Manager
avatar
Joined: 02 Dec 2007
Posts: 463
Followers: 2

Kudos [?]: 30 [0], given: 6

GMAT Tests User
How many 8-letter words can be created using computer [#permalink] New post 27 Aug 2008, 07:50
. 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
avatar
Joined: 15 Jul 2008
Posts: 209
Followers: 3

Kudos [?]: 21 [0], given: 0

GMAT Tests User
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: 1829
Location: New York
Followers: 26

Kudos [?]: 441 [0], given: 5

GMAT Tests User
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 [?]: 8 [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: 559
Followers: 7

Kudos [?]: 22 [0], given: 0

GMAT Tests User
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
    Similar topics Author Replies Last post
Similar
Topics:
Experts publish their posts in the topic In how many ways can the letters of the word "COMPUTER" mohan514 1 10 Jan 2012, 06:08
1 Experts publish their posts in the topic In how many ways can the letters of the word "COMPUTER" jakolik 2 27 Jul 2010, 19:50
5 Experts publish their posts in the topic On how many ways can the letters of the word "COMPUTER" be a sonfbm 14 25 Jun 2007, 13:04
How many 7 letter words can be constructed using 26 letters chillpill 9 12 Apr 2006, 19:09
In how many ways can the laetters of the word "COMPUTER" be nocilis 4 05 Jan 2005, 22:36
Display posts from previous: Sort by

How many 8-letter words can be created using computer

  Question banks Downloads My Bookmarks Reviews Important topics  


cron

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®.