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DI Set #12- Number of Graduates

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Joined: 07 Jun 2014
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GRE 1: Q167 V156
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DI Set #12- Number of Graduates [#permalink] New post 15 May 2015, 11:10
Expert's post
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Question Stats:

100% (01:44) correct 0% (00:00) wrong based on 5 sessions
Image

For the categories given, which category accounts for approximately ¼ of the total number of graduates expected for each off the years shown?

(A) High school diploma
(B) Associate degree
(C) Bachelor's degree
(D) Master's degree
(E) Doctoral degree

The number of associate degrees expected to be granted in 2001 is most nearly what percent greater than the number of associate degrees expected to be granted in 1995?

(A) 2%
(B) 3%
(C) 5%
(D) 7%
(E) 9%



[Reveal] Spoiler:
Attachment:
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Re: DI Set #12 [#permalink] New post 16 May 2015, 13:47
Expert's post
sandy wrote:
Image

For the categories given, which category accounts for approximately ¼ of the total number of graduates expected for each off the years shown?

(A) High school diploma
(B) Associate degree
(C) Bachelor's degree
(D) Master's degree
(E) Doctoral degree


Let's add the APPROXIMATE values in the 1995 column.
We get: 2300 + 500 + 1000 + 300 + 0 = 4100
Which category comprises 1/4 of the total number of graduates?
Well, 1/4 of 4100 is APPROXIMATELY 1000
The only category that has APPROXIMATELY 1000 graduates is the Bachelor's degree category.

Answer:
[Reveal] Spoiler:
C


Cheers,
Brent
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Brent Hanneson – Creator of greenlighttestprep.com
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GRE Instructor
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Joined: 10 Apr 2015
Posts: 1232
Followers: 45

Kudos [?]: 1115 [0], given: 7

Re: DI Set #12 [#permalink] New post 16 May 2015, 13:54
Expert's post
sandy wrote:
Image

The number of associate degrees expected to be granted in 2001 is most nearly what percent greater than the number of associate degrees expected to be granted in 1995?

(A) 2%
(B) 3%
(C) 5%
(D) 7%
(E) 9%


Associate degrees expected to be granted in 2001 = 489
Associate degrees expected to be granted in 1995 = 458

The DIFFERENCE in the number of associate degrees = 489 - 458 = 31
So, the question is, what percentage is represented by 31/458
One option is to use your calculator for this conversion.

The other option is to apply some number sense.
31/458 is pretty close to 30/450, which equals 1/15
1/15 = 6.7%
So, it looks like the correct answer is
[Reveal] Spoiler:
D


Cheers,
Brent
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