GRE Quantitative Comparison Strategies 2

Question 1

Quantity A: x. Quantity B: x^2. Given no restriction on x, which is correct?

Accepted Answer

The relationship cannot be determined

Answer

Quantity A is greater

Answer

Quantity B is greater

Answer

The two quantities are equal

Question 2

Quantity A: the average of 10 and 20. Quantity B: the average of 12 and 18. Which is correct?

Accepted Answer

The two quantities are equal

Answer

Quantity A is greater

Answer

Quantity B is greater

Answer

The relationship cannot be determined

Question 3

Given x < 0, Quantity A: x^3. Quantity B: x^2. Which is correct?

Accepted Answer

Quantity B is greater

Answer

Quantity A is greater

Answer

The two quantities are equal

Answer

The relationship cannot be determined

Question 4

Quantity A: 25% of 80. Quantity B: 80% of 25. Which is correct?

Accepted Answer

The two quantities are equal

Answer

Quantity A is greater

Answer

Quantity B is greater

Answer

The relationship cannot be determined

Question 5

A circle has radius r. Quantity A: its circumference. Quantity B: its area, given r = 2. Which is correct?

Accepted Answer

The two quantities are equal

Answer

Quantity A is greater

Answer

Quantity B is greater

Answer

The relationship cannot be determined

Question 6

Given that n is a positive integer, Quantity A: 2^n. Quantity B: n^2. Which is correct?

Accepted Answer

The relationship cannot be determined

Answer

Quantity A is greater

Answer

Quantity B is greater

Answer

The two quantities are equal

Question 7

Quantity A: the number of distinct prime factors of 12. Quantity B: the number of distinct prime factors of 30. Which is correct?

Accepted Answer

Quantity B is greater

Answer

Quantity A is greater

Answer

The two quantities are equal

Answer

The relationship cannot be determined