GRE- Quantitative Reasoning
A. The quantity in Column A is greater;
B. The quantity in Column B is greater;
C. The quantities are equal;
D. The relationship cannot be determined from the information given.

Answer(s): C
Explanation: The ring's height is equal to its radius. To determine Quantity A (the surface area
of the outside of the ring), multiply the ring's circumference
by its height (r): SA =
.
To determine Quantity B (twice the ring's circular area), multiply 2 by the base's area:
. As
you can see, the two quantities are equal.
QUESTION: 20

A. The quantity in Column A is greater;
B. The quantity in Column B is greater;
C. The quantities are equal;
D .The relationship cannot be determined from the information given.

Answer(s): C
Explanation: The average (arithmetic mean) of any two numbers is half their sum. Regardless
of the values of x and y, Quantity A will always equal Quantity B:

QUESTION: 21
Three movie patrons of differing heights are standing in line, one behind the other, to purchase
tickets for the movie.

Free GRE GRE Section 2: Quantitative Exam Questions (page: 9)

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