A: The answer is (D).
Answer the following multiple choice question with options (a), (b), (c), (d), (e).
Q: In an engineering class that contained 150 students, the final exam consisted of 2 questions. Three fifths of the students answered the first question correctly. If four fifths of the remainder answered the second question correctly, how many students answered both questions incorrectly? Answer Choices: A)4 B)6 C)10 D)12 E)24