In a certain office, 50 percent of the employees are college : DS Archive
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# In a certain office, 50 percent of the employees are college

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In a certain office, 50 percent of the employees are college [#permalink]

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28 Oct 2006, 23:13
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In a certain office, 50 percent of the employees are college graduates and 60 percent of the employees are over 40 years old. If 30 percent of those over 40 have master's degrees, how many of the employees over 40 have master's degrees?

(1) Exactly 100 of the employees are college graduates

(2) Of the employees forty years old of less, 25 percent have master's degrees
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29 Oct 2006, 03:45

St (1) gives you the no. of college graduates = 100.
Hence the total no. of emplyees = 200
Hence the No of employees over 40 = 120
Hence the No of employees over 40 with Masters Degrees = 36

St (2) only gives you a percentage and so you can't find the answer. All you can get is a percentage
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29 Oct 2006, 18:41
yes. agree with A.

from 2, u can't get the total no of employees, so u can't find the answer.
29 Oct 2006, 18:41
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