题目:
Each of the students in a certain class received a single grade of P, F, or I. What percent of the students in the class were females?
(1) Of those who received a P, 40 percent were females.
(2) Of those who received either an F or I, 80 percent were males.
选项:
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.
答案:
E