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

It is currently 18 Sep 2014, 07:52

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

if 200 lb of a mixture contain 80% husk and 20%sand. Then

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Current Student
avatar
Joined: 28 Dec 2004
Posts: 3404
Location: New York City
Schools: Wharton'11 HBS'12
Followers: 13

Kudos [?]: 159 [0], given: 2

GMAT Tests User
if 200 lb of a mixture contain 80% husk and 20%sand. Then [#permalink] New post 21 Jun 2008, 08:11
if 200 lb of a mixture contain 80% husk and 20%sand. Then how much husk needs to be extracted in order to have 75% concentration of Husk?

1/4
20/3
1/2
40
60
Director
Director
avatar
Joined: 27 May 2008
Posts: 552
Followers: 5

Kudos [?]: 173 [0], given: 0

GMAT Tests User
Re: ratio problem [#permalink] New post 21 Jun 2008, 08:24
if x lb of hust is removed

cureet husk = 80% of 200 = 160

160 - x = (200-x) * 75/100

x=40
Current Student
avatar
Joined: 28 Dec 2004
Posts: 3404
Location: New York City
Schools: Wharton'11 HBS'12
Followers: 13

Kudos [?]: 159 [0], given: 2

GMAT Tests User
Re: ratio problem [#permalink] New post 21 Jun 2008, 08:35
my approach is similar

(80-x)/20=75/25
80-x=60
x=20

2*20=40..
Re: ratio problem   [#permalink] 21 Jun 2008, 08:35
    Similar topics Author Replies Last post
Similar
Topics:
2 Mixture A is 20% oil and 80% material B by weight. sva2300 1 06 Aug 2013, 07:55
A mixture of nuts is to contain 3 parts... niheil 0 12 Oct 2010, 20:46
7 If 200 lb of a mixture contain 80% husk and 20% sand. Then tejal777 19 13 Aug 2009, 02:27
A surprise inspection of 200 companies revealed that 80 of kevincan 9 19 Jul 2006, 13:54
A has 300 bags (comprising some 100 lb and some 200 lb) with HIMALAYA 2 18 May 2005, 05:32
Display posts from previous: Sort by

if 200 lb of a mixture contain 80% husk and 20%sand. Then

  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®.