Free GMAT Practice Question

Question 1 of 1
ID: GMAT-DI-DS-004
Section: Data Insights - Data Sufficiency (DS)
Topic: Statistics
Difficulty level: Medium

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A certain course has exactly two sections, a morning section and an evening section, and each student in the course is enrolled in exactly one of them. On the final examination, the average (arithmetic mean) score of the students in the morning section was $72$ and the average (arithmetic mean) score of the students in the evening section was $84$. Was the average (arithmetic mean) score of all the students in the course greater than $80$?

The morning section has twice as many students as the evening section.
There are $96$ students in the course.

AStatement (1) ALONE is sufficient, but statement (2) ALONE is not sufficient to answer the question asked.

BStatement (2) ALONE is sufficient, but statement (1) ALONE is not sufficient to answer the question asked.

CBOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.

DEACH statement ALONE is sufficient to answer the question asked.

EStatements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.

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