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251. Of the employees in a company, 30 % are female who have

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Manager
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251. Of the employees in a company, 30 % are female who have [#permalink] New post 09 Mar 2011, 08:16
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66% (02:09) correct 33% (02:32) wrong based on 6 sessions
251. Of the employees in a company, 30 % are female who have a master degree. If 20 % of the female employees do not have a master degree, what percent of the employees in the company are female?
(A) 25 %
(B) 30 %
(C) 32.5 %
(D) 37.5 %
(E) 45 %
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Re: 251. Of the employees in a company, 30 % are female who have [#permalink] New post 09 Mar 2011, 08:32
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Let E be total no. of employees and F be total no of female employees.

Question asked what is F/E X 100%?


No. of female employees with Masters = 0.3 x E (From the question)

No. of female employees without masters = 0.2 x F (From the question)
Therefore No. of female employees with masters = F - 0.2 F = 0.8 F

The 2 expressions equal each other therefore 0.8F = 0.3E; F/E = 0.3/0.8 = 37.5%

Ans: D
Re: 251. Of the employees in a company, 30 % are female who have   [#permalink] 09 Mar 2011, 08:32
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251. Of the employees in a company, 30 % are female who have

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