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72% of the make students and 80% of female students applied

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Senior Manager
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72% of the make students and 80% of female students applied [#permalink] New post 26 Sep 2006, 17:04
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A
B
C
D
E

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72% of the make students and 80% of female students applied to college. What fraction of the students are male?

a) there are 840 students
b) 75% of the students applied to college
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 [#permalink] New post 26 Sep 2006, 18:01
Getting B :?:

Got go, but if is right will explain.
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 [#permalink] New post 26 Sep 2006, 21:32
Agree with B

a) Gives redundant information
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 [#permalink] New post 26 Sep 2006, 22:06
I go with B.

Fraction of male students applied = % of male students applied/Total % of students applied.
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Re: DS GmatPrep [#permalink] New post 27 Sep 2006, 02:58
EconGirl wrote:
72% of the make students and 80% of female students applied to college. What fraction of the students are male?

a) there are 840 students
b) 75% of the students applied to college


I'm getting E

It asking the % of male students. We dont know what the proportions of the remaining 25% is between Male and Female.

If the question is asking % of male students that applied for college, then B is correct.
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 [#permalink] New post 27 Sep 2006, 04:14
I got B. I will try to explain my answer.

A) Doesn't give any information about boy to girl ratio.

B) Let there be a total of 100 students.
72%(M) + 80%(100-M) = 75
Solve, M = 62.5 of 100
Sufficient!

Is this correct?
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 [#permalink] New post 27 Sep 2006, 04:44
OA=B. Thx for the explanation BCC145!
  [#permalink] 27 Sep 2006, 04:44
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