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

It is currently 22 Oct 2014, 04:48

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

values for the expression

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Intern
Intern
avatar
Joined: 02 May 2008
Posts: 2
Followers: 0

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

values for the expression [#permalink] New post 05 May 2008, 06:06
Can somebody please help me with the following problem:
THanks in advance

If a, b, and c are three different digits and can have any one of the
following values: 3, 5, or 7, what is the difference between the largest possible
value and the least possible value for the expression (a/b)/c?

Answers:
(A) 7/15 (B) 3/35 (C) 8/21
(D) 8/35 (E) 1/5
Intern
Intern
avatar
Joined: 07 Jan 2006
Posts: 49
Followers: 0

Kudos [?]: 3 [0], given: 0

Re: values for the expression [#permalink] New post 05 May 2008, 06:51
(a/b)/c = (a/b)(1/c) = a/bc

a = 7, bc = 15, a/bc = 7/15
a = 3, bc = 35, a/bc = 3/35

7/15 - 3/35 = 7(35)/15(35) - 3(15)/35(15) = (245-45)/525 = 200/525 = 8/21

C
Intern
Intern
avatar
Joined: 28 Mar 2008
Posts: 35
Followers: 0

Kudos [?]: 2 [0], given: 0

Re: values for the expression [#permalink] New post 05 May 2008, 10:55
C
7/3*5 - 3/7*5
=8/21
Re: values for the expression   [#permalink] 05 May 2008, 10:55
    Similar topics Author Replies Last post
Similar
Topics:
2 The aristocratic values expressed in the writings of nitya34 35 18 Mar 2009, 09:31
find the value of the expression gmatnub 1 21 Jun 2008, 14:04
The aristocratic values expressed in the writings of sangarelli 4 22 Sep 2006, 02:05
The aristocratic values expressed in the writings of ghantark 10 24 Aug 2006, 08:10
The aristocratic values expressed in the writings of qhoc0010 2 18 Jan 2005, 04:41
Display posts from previous: Sort by

values for the expression

  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®.