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

It is currently 19 Jun 2013, 23:10
Customize  |  Hide

Search
Register
New posts
Unanswered

In the sequence 1, 2, 4, 8, 16, 32, , each term after the

  Question banks Downloads My Bookmarks Reviews  
  Oldest Best Reply
Search for:
 
Print view
First unread post
Author Message
TAGS:
Director
Director
User avatar
Joined: 08 Jun 2004
Posts: 505
Location: Europe
Followers: 1

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

GMAT Tests User
In the sequence 1, 2, 4, 8, 16, 32, , each term after the [#permalink] New post 25 Apr 2006, 12:34
00:00

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
In the sequence 1, 2, 4, 8, 16, 32, …, each term after the first is twice the previous term. What is the sum of the 16th, 17th, and 18th terms in the sequence?

A. 2^18
B. 3(2^17)
C. 7(2^16)
D. 3(2^16)
E. 7(2^15)
Intern
Intern
Joined: 25 Apr 2006
Posts: 10
Followers: 0

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

 [#permalink] New post 25 Apr 2006, 13:27
This series can be written as
1, 2^1,2^2,2^3...
So the nth term = 2^n-1

So the sum of 16,17,18 th term = 2^15 +2^16 + 2^17
= 2^15(1+2+4) Answer = E
  [#permalink] 25 Apr 2006, 13:27
    Similar topics Author Replies Last post
Similar
Topics:
 New posts In the sequence 1, 2, 4, 8, 16, 32, , each term after the acfuture 2 15 Jul 2006, 20:46
New posts In the sequence 1, 2, 4, 8, 16, 32, , each term after the Nihit 2 19 Sep 2008, 10:40
New posts In the sequence 1, 2, 4, 8, 16, 32, , each term after the albany09 3 07 Oct 2008, 08:37
New posts Experts publish their posts in the topic In the sequence 1, 2, 4, 8, 16, 32, …, each term after the udaymathapati 3 08 Sep 2010, 11:27
New posts Experts publish their posts in the topic In the sequence 1, 2, 4, 8, 16, 32, …, each term after the dkverma 2 03 Nov 2010, 02:51
Display posts from previous: Sort by

In the sequence 1, 2, 4, 8, 16, 32, , each term after the

  Question banks Downloads My Bookmarks Reviews  
Print view
First unread post

Moderators: VeritasPrepKarishma, Bunuel, IanStewart

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