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

It is currently 31 Jul 2014, 20:20

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

In the first half of the 20th century, the population of a

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
1 KUDOS received
Intern
Intern
avatar
Joined: 18 Oct 2012
Posts: 7
Followers: 1

Kudos [?]: 12 [1] , given: 11

In the first half of the 20th century, the population of a [#permalink] New post 19 Oct 2012, 02:00
1
This post received
KUDOS
1
This post was
BOOKMARKED
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

47% (01:50) correct 53% (00:40) wrong based on 51 sessions
In the first half of the 20th century, the population of a particular country increased by 200 percent. In the second half of the century, the population increased by 300 percent. What was the percent increase for the 20th century as a whole?

(A) 500%
(B) 600%
(C) 800%
(D) 1100%
(E) 1200%

The question is from MBA Center GMAT Study Book.
[Reveal] Spoiler: OA

Last edited by Bunuel on 19 Oct 2012, 02:23, edited 1 time in total.
Renamed the topic.
Kaplan GMAT Prep Discount CodesKnewton GMAT Discount CodesVeritas Prep GMAT Discount Codes
Expert Post
2 KUDOS received
Veritas Prep GMAT Instructor
User avatar
Joined: 16 Oct 2010
Posts: 4601
Location: Pune, India
Followers: 1043

Kudos [?]: 4563 [2] , given: 162

Re: Percent question [#permalink] New post 19 Oct 2012, 02:19
2
This post received
KUDOS
Expert's post
Anichka wrote:
In the first half of the 20th century, the population of a particular country increased by 200 percent. In the second half of the century, the population increased by 300 percent. What was the percent increase for the 20th century as a whole?

(A) 500%
(B) 600%
(C) 800%
(D) 1100%
(E) 1200%

Could you explain why the correct answer is (D)?

The question is from MBA Center GMAT Study Book.

Thank you!


Say initially population was 100.

What is 200% of 100? It is 200/100 * 100 = 200.
An increase of 200% means the new population became 100 + 200 = 300

What is 300% of 300? It is 300/100 * 300 = 900
An increase of 300% means the new population now is 300 + 900 = 1200

So from 100, the population increased to 1200 i.e. an increase of 1100.

1100 is what percent of 100?

1100 = x/100 * 100

i.e. it is 1100%
_________________

Karishma
Veritas Prep | GMAT Instructor
My Blog

Save $100 on Veritas Prep GMAT Courses And Admissions Consulting
Enroll now. Pay later. Take advantage of Veritas Prep's flexible payment plan options.

Veritas Prep Reviews

SVP
SVP
User avatar
Joined: 09 Sep 2013
Posts: 1835
Followers: 167

Kudos [?]: 33 [0], given: 0

Premium Member
Re: In the first half of the 20th century, the population of a [#permalink] New post 16 Jul 2014, 09:15
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________

GMAT Books | GMAT Club Tests | Best Prices on GMAT Courses | GMAT Mobile App | Math Resources | Verbal Resources

Re: In the first half of the 20th century, the population of a   [#permalink] 16 Jul 2014, 09:15
    Similar topics Author Replies Last post
Similar
Topics:
1 Experts publish their posts in the topic Hunted by poachers throughout the 20th century ... avohden 4 15 Oct 2013, 07:32
4 Experts publish their posts in the topic The second half of the 20th century would have been a kingb 4 07 Oct 2012, 14:59
3 A history of the humanities in the 20th century getgyan 3 05 Oct 2012, 03:44
2 Experts publish their posts in the topic Doctors in the early 20th century commonly mistook vibhav 18 26 May 2012, 08:15
Experts publish their posts in the topic Herman Hesse was one of the most renowned 20th century jade3 5 11 Nov 2009, 07:56
Display posts from previous: Sort by

In the first half of the 20th century, the population of a

  Question banks Downloads My Bookmarks Reviews Important topics  


cron

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®.