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# In a corporation, 50 percent of the male employees and 40

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Intern
Joined: 17 Oct 2008
Posts: 7
In a corporation, 50 percent of the male employees and 40  [#permalink]

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17 Oct 2008, 11:22
In a corporation, 50 percent of the male employees and 40 percent of the female employees are at least 35 years old. If 42 percent of all the employees are at least 35 years old, what fraction of the employees in the corporation are females?

A. 3/5
B. 2/3
C. 3/4
D. 4/5
E. 5/6

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VP
Joined: 17 Jun 2008
Posts: 1476
Re: male & female  [#permalink]

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17 Oct 2008, 12:08
0.5m + 0.4f = 0,42(m+f)
or 4m = f.

Hence, f/(f+m) = 4/5.

Hence, D.
SVP
Joined: 29 Aug 2007
Posts: 2425
Re: male & female  [#permalink]

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17 Oct 2008, 12:13
mikegao wrote:
In a corporation, 50 percent of the male employees and 40 percent of the female employees are at least 35 years old. If 42 percent of all the employees are at least 35 years old, what fraction of the employees in the corporation are females?

A. 3/5
B. 2/3
C. 3/4
D. 4/5
E. 5/6

0.5m + 0.f = 0.42 (m+f)
4m = f
so, f/(m+f) = 4/5

--== Message from GMAT Club Team ==--

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If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: male & female &nbs [#permalink] 17 Oct 2008, 12:13
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# In a corporation, 50 percent of the male employees and 40

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