GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 22 Oct 2019, 13:17

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

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

A think tank projects that people over the age of 65 will comprise 25%

Author Message
TAGS:

Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 58427
A think tank projects that people over the age of 65 will comprise 25%  [#permalink]

Show Tags

08 Feb 2019, 05:01
00:00

Difficulty:

15% (low)

Question Stats:

89% (01:36) correct 11% (02:50) wrong based on 19 sessions

HideShow timer Statistics

A think tank projects that people over the age of 65 will comprise 25% of the U.S. population by 2010. If the current population of 300 million is expected to grow by 8% by 2010, how many people over age 65, in millions, will there be in 2010 ?

A. 75
B. 77
C. 80
D. 81
E. 85

_________________
Veritas Prep GMAT Instructor
Joined: 16 Oct 2010
Posts: 9701
Location: Pune, India
Re: A think tank projects that people over the age of 65 will comprise 25%  [#permalink]

Show Tags

08 Feb 2019, 05:20
Bunuel wrote:
A think tank projects that people over the age of 65 will comprise 25% of the U.S. population by 2010. If the current population of 300 million is expected to grow by 8% by 2010, how many people over age 65, in millions, will there be in 2010 ?

A. 75
B. 77
C. 80
D. 81
E. 85

Current Population = 300 million
Population in 2010 = 300*(1 + 8/100) = 324 million

People over 65 yrs = 25% of 324 million = 81 million

_________________
Karishma
Veritas Prep GMAT Instructor

GMAT Club Legend
Joined: 18 Aug 2017
Posts: 5032
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: A think tank projects that people over the age of 65 will comprise 25%  [#permalink]

Show Tags

08 Feb 2019, 05:52
Bunuel wrote:
A think tank projects that people over the age of 65 will comprise 25% of the U.S. population by 2010. If the current population of 300 million is expected to grow by 8% by 2010, how many people over age 65, in millions, will there be in 2010 ?

A. 75
B. 77
C. 80
D. 81
E. 85

popn 300
2010 = 1.08 * 300= 324
and 25% = .25* 324 = 324*1/4 = 81
IMO D
Re: A think tank projects that people over the age of 65 will comprise 25%   [#permalink] 08 Feb 2019, 05:52
Display posts from previous: Sort by