# GMAT Question of the Day: Data Sufficiency

A total of 9 women and 12 men reside in the 21 apartments that are in a certain apartment building, one person to each apartment. If a poll taker is to select one of the apartments at random, what is the probability that the resident of the apartment selected will be a woman who is a student?
(1) Of the women, 4 are students.
(2) Of the women, 5 are not students.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

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9 Comments Post a Comment
1. mrinal says:

d

2. V Pat says:

D. EACH statement ALONE is sufficient.

3. gks80 says:

D

4. AP says:

d

5. shilpa says:

D

6. chrisrobsmith says:

d

7. deepakraam says:

I will go with option D

8. prashant.misra11@gmail.com says:

the answer to this question is option D

9. RS says:

Why D.. Not a student does not mean that the left over are students. there is no mention of categories. I will go with A