It is currently 20 Feb 2018, 11:49

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.

Close

Request Expert Reply

Confirm Cancel

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

There are 100 apples in a bag of which 98% are green and the rest red.

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Manager
Manager
User avatar
G
Status: Quant Expert Q51
Joined: 02 Aug 2014
Posts: 65
There are 100 apples in a bag of which 98% are green and the rest red. [#permalink]

Show Tags

New post 07 Nov 2016, 04:39
10
This post was
BOOKMARKED
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

68% (01:38) correct 32% (02:01) wrong based on 233 sessions

HideShow timer Statistics

There are 100 apples in a bag of which 98% are green and the rest red. How many green apples do you need
to remove so that only 96% of the apples are green?

A. 40
B. 8
C. 15
D. 25
E. 50
[Reveal] Spoiler: OA

_________________

My GMAT DATA SUFFICIENCY Course on UDEMY

Expert Post
Top Contributor
2 KUDOS received
SVP
SVP
User avatar
P
Joined: 11 Sep 2015
Posts: 2051
Location: Canada
Re: There are 100 apples in a bag of which 98% are green and the rest red. [#permalink]

Show Tags

New post 07 Nov 2016, 05:06
2
This post received
KUDOS
Expert's post
Top Contributor
1
This post was
BOOKMARKED
ReussirleGMAT wrote:
There are 100 apples in a bag of which 98% are green and the rest red. How many green apples do you need
to remove so that only 96% of the apples are green?

A. 40
B. 8
C. 15
D. 25
E. 50


There are 100 apples in a bag of which 98% are green and the rest red.
So, we can conclude that (initially) there are 98 green apples and 2 red apples in the bag.

If (after we remove some green apples) 96% of the apples are green. This means that 4% of the apples are red.
So, let's reword the question as "How many green apples do you need to remove so that 4% of the apples are red?"

We already know there are 2 red apples, and we know that 2/50 = 4%
That is, if there were 50 apples altogether, and 2 were red, then 4% of the apples would be red.
In order to get 50 apples altogether, we must remove 50 apples from the bag.

Answer:
[Reveal] Spoiler:
E


RELATED VIDEO

_________________

Brent Hanneson – Founder of gmatprepnow.com

Image

5 KUDOS received
Board of Directors
User avatar
G
Status: QA & VA Forum Moderator
Joined: 11 Jun 2011
Posts: 3326
Location: India
GPA: 3.5
WE: Business Development (Commercial Banking)
GMAT ToolKit User Premium Member
Re: There are 100 apples in a bag of which 98% are green and the rest red. [#permalink]

Show Tags

New post 07 Nov 2016, 07:12
5
This post received
KUDOS
3
This post was
BOOKMARKED
ReussirleGMAT wrote:
There are 100 apples in a bag of which 98% are green and the rest red. How many green apples do you need
to remove so that only 96% of the apples are green?

A. 40
B. 8
C. 15
D. 25
E. 50


\(\frac{98 - x}{100 - x} = \frac{96}{100}\)

Or, \(9800 - 100x = 9600 - 96x\)

Or, \(200 = 4x\)

Or, \(x = 50\)

Hence, only 50 green apples need to be removed from the bag , answer will be (E)



_________________

Thanks and Regards

Abhishek....

PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS

How to use Search Function in GMAT Club | Rules for Posting in QA forum | Writing Mathematical Formulas |Rules for Posting in VA forum | Request Expert's Reply ( VA Forum Only )

Director
Director
avatar
G
Joined: 07 Dec 2014
Posts: 906
There are 100 apples in a bag of which 98% are green and the rest red. [#permalink]

Show Tags

New post 07 Feb 2018, 18:30
AnisMURR wrote:
There are 100 apples in a bag of which 98% are green and the rest red. How many green apples do you need
to remove so that only 96% of the apples are green?

A. 40
B. 8
C. 15
D. 25
E. 50


let a=total apples remaining after green apples removed
.04a=2 red apples
a=50 total apples
50-2=48 green apples remaining
98-48=50 green apples removed
Manager
Manager
avatar
B
Status: Turning my handicaps into assets
Joined: 09 Apr 2017
Posts: 67
CAT Tests
Re: There are 100 apples in a bag of which 98% are green and the rest red. [#permalink]

Show Tags

New post 14 Feb 2018, 02:38
98-x=(100-x)*96/100

Solving this equation,we get x-24x/25=2,hence x=50
_________________

If time was on my side, I'd still have none to waste......

Expert Post
Target Test Prep Representative
User avatar
G
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 2181
Location: United States (CA)
Re: There are 100 apples in a bag of which 98% are green and the rest red. [#permalink]

Show Tags

New post 15 Feb 2018, 09:54
AnisMURR wrote:
There are 100 apples in a bag of which 98% are green and the rest red. How many green apples do you need
to remove so that only 96% of the apples are green?

A. 40
B. 8
C. 15
D. 25
E. 50


We see that there are 98 green apples and 2 red apples. We can let n = the number of green apples to remove and create the equation:

(98 - n)/(100 - n) = 96/100

100(98 - n) = 96(100 - n)

9800 - 100n = 9600 - 96n

200 = 4n

50 = n

Answer: E
_________________

Scott Woodbury-Stewart
Founder and CEO

GMAT Quant Self-Study Course
500+ lessons 3000+ practice problems 800+ HD solutions

Re: There are 100 apples in a bag of which 98% are green and the rest red.   [#permalink] 15 Feb 2018, 09:54
Display posts from previous: Sort by

There are 100 apples in a bag of which 98% are green and the rest red.

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

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®.