Classroom Exam Pass Analysis

Very Easy Data Sufficiency Analyzing Information

In a classroom, a teacher has a total of 30 students. The teacher is trying to determine how many students passed an exam.

Statement (1): 18 students passed the exam.

Statement (2): The number of students who failed the exam is half the number of students who passed.

Statement (1) alone is sufficient, but Statement (2) alone is not sufficient.

Statement (2) alone is sufficient, but Statement (1) alone is not sufficient.

Both statements together are sufficient, but neither statement alone is sufficient.

Each statement alone is sufficient.

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% Correct91%