This lesson is part of a series of practice test questions for the quantitative reasoning section of the GRE revised General Test.

These are the directions for the Quantitative Comparison Questions.

Directions: Compare Quantity A and Quantity B, using additional information centered above the two quantities if such information is given, and select one of the following four answer choices:

(A) Quantity A is greater.

(B) Quantity B is greater.

(C) The two quantities are equal.

(D) The relationship cannot be determined from the information given.

Example 1:

Four friends win $120,000 in lottery, and they divided the winnings in 1:2:4:5 ratio.

Quantity A: The difference between the greatest and the least share

Quantity B: $40,000 Example 2:

Yesterday, a certain school had an equal number of boys and girls. Today, 18 boys left the school, and the ratio of the number of boys to girls is now 3 to 4.

Quantity A: Number of boys in the school now

Quantity B: 72 Example 3:

In Townville, the ratio of cats to dogs is 4 to 11.

In Villageton, the ratio of cats to dogs is 3 to 8.

Quantity A: The number of cats in Townville

Quantity B: The number of cats in Villageton Example 4:

Yesterday, a certain school, the ratio of the number of boys to girls was 1 to 3. Today, an equal number of boys to girls joined the school (and no students left)

Quantity A: Ratio of the number of boys to girls now

Quantity B: \(\frac{1}{3}\)

3w = 4x, 4y = 3x

Quantity A: The ratio of w to y

Quantity B: 1

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