GMAT Data Sufficiency

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Source: GWD

Level: 5

All 48 seniors in a certain high school take one of two English classes. What is the average (arithmetic mean) height of the seniors in this school?

(1) In the school, the average height of the seniors in the English class with the larger number of students is 70 inches.

(2) In the school, the average height of the seniors in the English class with the smaller number of students is of the average height of the seniors in the other English class.

  • 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 statement 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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