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

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

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17 Oct 2008, 11:22
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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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Joined: 17 Jun 2008
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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.
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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
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Re: male & female   [#permalink] 17 Oct 2008, 12:13
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