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

It is currently 30 Sep 2014, 12:00

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

A 4 cm cube is cut into 1 cm cubes. What is the percentage

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Manager
Manager
User avatar
Joined: 02 Aug 2007
Posts: 146
Followers: 1

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

A 4 cm cube is cut into 1 cm cubes. What is the percentage [#permalink] New post 11 Nov 2007, 12:10
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions
A 4 cm cube is cut into 1 cm cubes. What is the percentage increase in the surface area after such cutting?

A. 4%
B. 166%
C. 266%
D. 300%
E. 400%
VP
VP
User avatar
Joined: 08 Jun 2005
Posts: 1156
Followers: 6

Kudos [?]: 116 [0], given: 0

 [#permalink] New post 11 Nov 2007, 12:20
Area of 4cm cube = 4^3 = 64 ---> Surface = 4^2*6 = 96

Area of 1cm cube = 1^3 = 1 ---> Surface = 1^2*6 = 6

No. of 1cm cubes 64/1 = 64

(6*64/96 - 1) = 3

the answer is (D)

:)
Manager
Manager
User avatar
Joined: 02 Aug 2007
Posts: 146
Followers: 1

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

 [#permalink] New post 11 Nov 2007, 12:31
KS - Why did you multipy by 6 and subtract 1 from 96?

(6*64/96 - 1) = 3

change / original = percent increase
VP
VP
User avatar
Joined: 08 Jun 2005
Posts: 1156
Followers: 6

Kudos [?]: 116 [0], given: 0

 [#permalink] New post 11 Nov 2007, 12:37
  [#permalink] 11 Nov 2007, 12:37
    Similar topics Author Replies Last post
Similar
Topics:
Experts publish their posts in the topic A 4 cm cube is cut into 1 cm cubes. What is the percentage Vavali 2 02 Jun 2008, 01:30
A 4 cm cube is cut into 1 cm cubes. What is the percentage alimad 4 06 May 2008, 20:44
4cm cube is cut into 1 cm cubes. what is the surface area of successstory 3 16 Nov 2006, 15:25
A 4 cm cube is cut into 1 cm cubes. What is the percentage pawan82 2 09 Nov 2006, 03:43
A 4 cm cube is cut into 1 cm cube. What is the percentage uvs_mba 6 19 Oct 2006, 16:09
Display posts from previous: Sort by

A 4 cm cube is cut into 1 cm cubes. What is the percentage

  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®.