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vittalgmat
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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 forty have master’s degrees?
(1) Exactly 100 of the employees are college
graduates.
(2) Of the employees forty years old or less, 25
percent have master’s degrees.
OA after some discussion.
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 forty have master’s degrees?
(1) Exactly 100 of the employees are college
graduates.
(2) Of the employees forty years old or less, 25
percent have master’s degrees.
OA after some discussion.
) and 30% of the old people have masters degrees. So, we know that 18% (30% of 60%) of the employees have masters degrees. 
