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What percent of the drama club members enrolled at a certain [#permalink] New post 20 Aug 2012, 03:16
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70% (02:11) correct 29% (01:06) wrong based on 4 sessions
The Official Guide for GMAT® Review, 13th Edition - Quantitative Questions Project

What percent of the drama club members enrolled at a certain school are female students?

(1) Of the female students enrolled at the school, 40 percent are members of the drama club.
(2) Of the male students enrolled at the school, 25 percent are members of the drama club.

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Difficulty: 650


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Re: What percent of the drama club members enrolled at a certain [#permalink] New post 20 Aug 2012, 03:16
SOLUTION

What percent of the drama club members enrolled at a certain school are female students?

(1) Of the female students enrolled at the school, 40 percent are members of the drama club. 0.4F are members of the drama club. Not sufficient.

(2) Of the male students enrolled at the school, 25 percent are members of the drama club. 0.25M are members of the drama club. Not sufficient.

(1)+(2) We need to find the vale of \frac{0.4F}{0.4F+0.25M}, which, as we can see, cannot be determined with the information provided.

Answer: E.
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Re: What percent of the drama club members enrolled at a certain [#permalink] New post 22 Aug 2012, 05:35
Tricky one. Level 650.

Stmt 1: Tells us about the percentage of female in drama club but does not talk about specific numbers. Not sufficient.
Stmt 2: Tells us about the percentage of male in drama club but does not talk about specific numbers. Not sufficient.

Together also no additional information is provided. Depending on absolute numbers of female or male students, the percentage of female students at drama club will vary.

Answer: E

Bunuel wrote:
RESERVED FOR A SOLUTION.
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Re: What percent of the drama club members enrolled at a certain [#permalink] New post 24 Aug 2012, 06:47
SOLUTION

What percent of the drama club members enrolled at a certain school are female students?

(1) Of the female students enrolled at the school, 40 percent are members of the drama club. 0.4F are members of the drama club. Not sufficient.

(2) Of the male students enrolled at the school, 25 percent are members of the drama club. 0.25M are members of the drama club. Not sufficient.

(1)+(2) We need to find the vale of \frac{0.4F}{0.4F+0.25M}, which, as we can see, cannot be determined with the information provided.

Answer: E.
_________________

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RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory

COLLECTION OF QUESTIONS:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. NEW!!!

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS ; 9 Devil's Dozen!!!; 10 Number Properties set. NEW!!!


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Re: What percent of the drama club members enrolled at a certain   [#permalink] 24 Aug 2012, 06:47
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