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

 It is currently 20 Oct 2019, 14:32

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

In 2007, there were 300 juniors and 200 seniors at a high school. In 2

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

Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 58434
In 2007, there were 300 juniors and 200 seniors at a high school. In 2  [#permalink]

Show Tags

22 Jan 2019, 02:29
1
1
00:00

Difficulty:

25% (medium)

Question Stats:

78% (01:45) correct 22% (02:27) wrong based on 28 sessions

HideShow timer Statistics

In 2007, there were 300 juniors and 200 seniors at a high school. In 2008, there were 400 juniors and 250 seniors at the same high school. What was the approximate percent increase in the ratio of juniors to seniors from 2007 to 2008?

A 6.5%

B 6.66%

C 24%

D 25%

E 30%

_________________
GMAT Club Legend
Joined: 18 Aug 2017
Posts: 5022
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: In 2007, there were 300 juniors and 200 seniors at a high school. In 2  [#permalink]

Show Tags

22 Jan 2019, 05:37
Bunuel wrote:
In 2007, there were 300 juniors and 200 seniors at a high school. In 2008, there were 400 juniors and 250 seniors at the same high school. What was the approximate percent increase in the ratio of juniors to seniors from 2007 to 2008?

A 6.5%

B 6.66%

C 24%

D 25%

E 30%

2007 ratio : 300/200 ; 3/2
2008 ratio = 400/250' 40/25 ; 8/5

solve 8/5-3/2 / 3/2

we get 6.66 IMO B
Re: In 2007, there were 300 juniors and 200 seniors at a high school. In 2   [#permalink] 22 Jan 2019, 05:37
Display posts from previous: Sort by

In 2007, there were 300 juniors and 200 seniors at a high school. In 2

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

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