Free GMAT® Practice Questions

The amount of time that three people worked on a certain project was in the ratio of 2 : 3 : 5. If the project took 110 hours, what is the difference between the number of hours worked by the person who worked for the greatest time and the person who worked for the least time?

Tickets to a play cost $10 for children and $25 for adults. If 100 tickets were sold, were more adult tickets sold than children’s tickets?

(1) The average revenue per ticket was $18.25.

(2) The revenue from ticket sales exceeded $1,800.

If a < 0 and b < c, which of the following must be true?

A. ab < c B. ac > b C. ab > 0 D. ac < 0 E. ab > ac

Company X has exactly two product lines and no other sources of revenue. If the consumer product line experienced a k% increase in annual revenue (where k is a positive integer) from 2014 to 2015 and the machine parts line experienced a k% decrease in annual revenue from 2014 to 2015, did Company X’s overall revenue increase in 2015 ?

(1) In 2014, the consumer products line generated more revenue than the machine parts line.

(2) k = 8

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 statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. D. EACH statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient.

Twelve identical machines, running continuously at the same constant rate, take 8 days to complete a shipment. How many additional machines, each running at the same constant rate, would be needed to reduce the time required to complete a shipment by 2 days?

Student Advisor: One of our exchange students faced multiple arguments with her parents over the course of the past year. Not surprisingly, her grade point average (GPA) over the same period showed a steep decline. This is just one example of a general truth: Problematic family relationships can cause significant academic difficulties for our students.

Which of the following is required for the student advisor to conclude that problematic family relationships can cause academic difficulties?

The Smithtown Theatre, which stages old plays, has announced an expansion that will double its capacity along with its operating costs. The theatre is only slightly profitable at present. In addition, all of the current customers live in Smithtown, and the population of the town is not expected to increase in the next several years. Thus, the expansion of the Smithtown Theatre will prove unprofitable.

Which of the following, if true, would most seriously weaken the argument?

A certain museum will display only objects that are undamaged and that have been definitively proven to be authentic. Doubts have been raised about the origins of a supposedly Mycenaean vase currently on display in the museum’s antiquities wing. The only way to establish this vase’s authenticity would be to pulverize a portion of it, then subject the dust to spectroscopic analysis.

The claims above, if true, most strongly support which of the following conclusions?

In 2010, China comprised about 10 percent of the world’s gross domestic product (GDP), and its voting share in the World Bank was increased from less than 3 percent to 4.4 percent. During the same time frame, France comprised about 4 percent of the world’s GDP and saw its voting share in the World bank drop from 4.3 percent to 3.8 percent.

Which of the following can be logically concluded from the passage above?

Media Critic: Network executives allege that television viewership is decreasing due to the availability of television programs on other platforms, such as the internet and mobile devices. These executives claim that declining viewership will cause advertising revenue to fall and networks will thus be unable to spend the large sums necessary to produce high-quality programming. That development, in turn, will lead to a dearth of programming for the very devices that cannibalized television’s audience. However, research shows that users of alternative platforms are exposed to new programs and, as a result, actually increase the number of hours per week that they watch television. This demonstrates that alternative platforms will not prevent networks from increasing advertising revenue.

The portions in boldface play which of the following roles in the media critic’s argument?