Bunuel wrote:
What percent of Gigacorp’s 80 female employees are college graduates?
(1) Gigacorp has 20 male employees.
(2) 30 percent of Gigacorp’s employees are college graduates.
We need to know how many among the females are graduates or not.
Statement 1:We are focusing on how to breakdown the female employees, so this is meaningless information for this question. Insufficient.
Statement 2:This info can be useful if we knew how many total employees there are AND how many of the 30 percent are female. Insufficient.
Combined:We know there are 30 college grads but not all of them are female, so we don't know how many female college grads there are. Insufficient.
Ans: E
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