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Each of the students in a certain class recieved a single

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CEO
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Each of the students in a certain class recieved a single [#permalink] New post 17 Oct 2007, 18:35
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E

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Each of the students in a certain class recieved a single grade of P,F,or I. What percent of the students in the
class were females?

1) Of those who recieved a P, 40% were females
2) Of those who recieved either an F or I, 80% were males.
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Re: GMAT Prep DS- Grades [#permalink] New post 18 Oct 2007, 01:21
GMATBLACKBELT wrote:
Each of the students in a certain class recieved a single grade of P,F,or I. What percent of the students in the
class were females?

1) Of those who recieved a P, 40% were females
2) Of those who recieved either an F or I, 80% were males.


Ans. E

Stat 1 unsuff: doesnt give information about F & I and the number of students who received P

Stat 2 unsuff: doesnt give information about P and the number of students who received F or I

If we combine them we still dont have info about the nb of students in each categorie => ans. E
Re: GMAT Prep DS- Grades   [#permalink] 18 Oct 2007, 01:21
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Each of the students in a certain class recieved a single

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