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

It is currently 11 Jul 2014, 12:49

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

Two rectangles have the same breadth and the difference

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Intern
Intern
User avatar
Joined: 27 Sep 2011
Posts: 17
Followers: 0

Kudos [?]: 2 [0], given: 9

Two rectangles have the same breadth and the difference [#permalink] New post 01 May 2012, 01:36
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

70% (01:34) correct 30% (00:48) wrong based on 10 sessions
Two rectangles have the same breadth and the difference between their perimeters is 56m. If the difference between their areas is 336m^2, find the breadth of the rectangles.

A. 18
B. 10
C. 24
D. 12

Source: Mathematics by L.Harwood Clarke ( page: 168, No.11)
[Reveal] Spoiler: OA

_________________

All I want to be A Self-made Man

Intern
Intern
avatar
Joined: 25 Apr 2012
Posts: 16
Followers: 0

Kudos [?]: 6 [0], given: 1

Re: Two rectangles have the same breadth.... [#permalink] New post 01 May 2012, 01:44
Let the common breadth be 'b'
and lengths be x and y
Diff. of perimeters = 2(x+b) - 2(y+b) = 2(x-y) = 56
=> x-y = 28
Diff. of areas = bx - by = b(x-y) = 336
=> b = 336/28 = 12
Answer "D"
_________________

Ravi Sankar Vemuri

Re: Two rectangles have the same breadth....   [#permalink] 01 May 2012, 01:44
    Similar topics Author Replies Last post
Similar
Topics:
1 Experts publish their posts in the topic two states have different rules for Sachin9 5 06 Jan 2013, 03:10
1 Experts publish their posts in the topic Two people have birthdays on different dates of the same 30 Smita04 1 21 Feb 2012, 01:05
In the figure above, two rectangles with the same dimentions tarek99 5 07 Jan 2008, 01:42
In the figure above, two rectangles with the same dimensions Ferihere 7 15 Sep 2007, 06:07
In the figure attached, two rectangles with the same Meow 10 25 Jul 2006, 08:58
Display posts from previous: Sort by

Two rectangles have the same breadth and the difference

  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®.