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In 1995 the number of students enrolled in public institutio

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Founder
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In 1995 the number of students enrolled in public institutio [#permalink]  16 May 2017, 01:52
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52% (00:58) correct 47% (02:06) wrong based on 53 sessions

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#GREpracticequestion In 1995 the number of students enrolled in public institutions of higher education was approximately how many times.jpg [ 86.17 KiB | Viewed 4305 times ]

In 1995 the number of students enrolled in public institutions of higher education was approximately how many times the number of students enrolled in private institutions of higher education?

A) 2

B) 2.5

C) 3

D) 3.5

E) 4
[Reveal] Spoiler: OA

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Intern
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Re: In 1985 the number [#permalink]  07 Dec 2017, 10:46
Can some one please provide the solution to this question? Thanks
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Re: In 1985 the number [#permalink]  08 Dec 2017, 05:25
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Explanation

Looking at the bottom graph you can see the %. Actually, the question is asking you for the ratio public/private

Public 4 years + public 2 years = 41% + 37% = 78%

Private 4 years + private 2 years = 21% + 1% = 22%

$$\frac{78 %}{22%}= 3.5 %$$

D is the answer. Hope is clear now
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Re: In 1985 the number [#permalink]  02 Apr 2018, 10:18
Well, but if we use the top graph the result will be different.

Total enrollment public = Public 4 year + Public 2 year = 115+110 = 225
Total enrollment private = private 4 year + Puprivate 2 year = 115+90 = 205

Public / Private = 225/205 = 1.097 or 109.7% ...
Founder
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Re: In 1985 the number [#permalink]  02 Apr 2018, 11:17
Expert's post
We need to take into account the percentage (the second graph) not the total enrollment.

Hope this helps.

Regards
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Intern
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Re: In 1985 the number [#permalink]  01 Jul 2018, 08:37
Carcass wrote:
We need to take into account the percentage (the second graph) not the total enrollment.

Hope this helps.

Regards

Thank you for your neat explanation. How i should know which figure i should use? I am not sure why we did not consider the first?
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Re: In 1985 the number [#permalink]  01 Jul 2018, 10:57
Expert's post
This is the tricky part.

You should infer from the stem. Moreover, this GRE (or GMAT) is all about: a test of reasoning.

Quote:
In 1995 the number of students enrolled in public institutions of higher education was approximately how many times the number of students enrolled in private institutions of higher education?

From the bold part you might infer that you need the %. As such, the second graph.

Regards
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Re: In 1985 the number [#permalink]  09 Dec 2018, 13:08
Carcass wrote:
This is the tricky part.

You should infer from the stem. Moreover, this GRE (or GMAT) is all about: a test of reasoning.

Quote:
In 1995 the number of students enrolled in public institutions of higher education was approximately how many times the number of students enrolled in private institutions of higher education?

From the bold part you might infer that you need the %. As such, the second graph.

Regards

Shouldn't you get the same answer if you use the first graph or the second? Shouldn't both of them give you the "approximately how many times" ratio they are looking for? What am I missing here?
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Re: In 1985 the number [#permalink]  10 Dec 2018, 15:14
Expert's post
Just take into account the second graph.

it is the only source you do need to answer this specific question.

Regards
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