# Free GRE Practice Questions

Question 1 of 1
ID: GRE-QCQ-4
Section: Quantitative Reasoning - Comparison
Topics: Arithmetic; Speed, Time and Distance
Difficulty level: Challenging

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A driver completed the first 20 miles of a 40-mile trip at an average speed of 50 miles per hour and the second 20 miles at an average speed of $x$ miles per hour. The average speed for the entire 40-mile trip was 60 miles per hour. (Assume that the driver did not make any stops during the 40-mile trip.)

• Quantity A

$x-60$

• Quantity B

$10$

AQuantity A is greater.
BQuantity B is greater.
CThe two quantities are equal.
DThe relationship cannot be determined from the information given.