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# DI Set #12- Number of Graduates

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Retired Moderator
Joined: 07 Jun 2014
Posts: 4804
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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Kudos [?]: 2841 [1] , given: 394

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Expert's post
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Question Stats:

85% (02:20) correct 15% (04:38) wrong based on 20 sessions

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

[Reveal] Spoiler: OA
C

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: OA
D

[Reveal] Spoiler:
Attachment:

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Sandy
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Joined: 10 Apr 2015
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Kudos [?]: 4257 [1] , given: 67

Re: DI Set #12 [#permalink]  16 May 2015, 13:47
1
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Expert's post
sandy wrote:

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.

[Reveal] Spoiler:
C

Cheers,
Brent
_________________

Brent Hanneson – Creator of greenlighttestprep.com
If you enjoy my solutions, you'll like my GRE prep course.

GRE Instructor
Joined: 10 Apr 2015
Posts: 3685
Followers: 142

Kudos [?]: 4257 [1] , given: 67

Re: DI Set #12 [#permalink]  16 May 2015, 13:54
1
KUDOS
Expert's post
sandy wrote:

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
_________________

Brent Hanneson – Creator of greenlighttestprep.com
If you enjoy my solutions, you'll like my GRE prep course.

Intern
Affiliations: Shahjalal University of Science and Technology, Sylhet
Joined: 15 Mar 2019
Posts: 11
WE: Engineering (Consulting)
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Kudos [?]: 12 [1] , given: 348

Re: DI Set #12- Number of Graduates [#permalink]  24 Jul 2020, 04:37
1
KUDOS
Nice question

The first problem can be solved by approximation
2500+500+1000+300+50 = 4350, 1/4 th of which is approximately 1000+.
For the 2nd problem
% change is $$| \frac{old-new}{old} | = \frac{ 489-458}{458 } = \frac{ 31}{458 }$$
Now if we approximate numerator as 30 and denominator as 450, then it will be 6.7%
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