GMAT Practice Exam Questions and Answers

A scientist collected eight samples (Samples 1-8) from various surfaces in a laboratory to test for the presence of defferent types of bacteria For each of the samples, the graph shows the relative abundance of each of three types of bacteria (Bacteria X, Y, and Z) detected in the sample, as a percentage of all Bacteria X, Y, and Z detected In the sample.

Select the options from each drop-down menu that create the most accurate statement based on the information provided.

Suppose that m and n are two positive integers such that m< n, their least common multiple is 294, and their greatest common divisor is 7. In the table, select a value for m and a value for n that are jointly consistent with the given information. Make only two selections, one in each column.

Researchers studying long-term changes In regional mouse populations have found that by focusing on the populations of a rare but widespread and easily identifiable species of mouse (Species X), they can make fairly accurate estimations about the total regional mouse populations.

In a report on a recent study that Included the data tables that follow, the researchers provided some addenda:

1. The Species X population of Region CV increased by 123,995 between 1990 and 2005.

2. In contrast, the Species X population of Region EW declined by about 52% during that same time.

For each of the following regions, select Ye$\i the region's Species X population decreased from 1960 to 1975 AND the region's total mouse population exceeded 50 million In 1975. Otherwise, select No.

Journal

The editor of Metathesis, a new academic journal of literature, manages the peer-review of articles submitted for publication. The journal accepts articles focusing on any of three general subject areas: comparative literature, modernist literature, and postcolonial literature.

When an article is submitted, the editor has the article peer-reviewed by exactly three experts, none of whom authored or coauthored the article. The table (see the Reviewers/Authors tab) consists of all the authors or coauthors who have recently submitted articles and all the experts who currently peer-review or have recently peer-reviewed those articles. It also lists the general subject areas for each of the authors and reviewers.

Each author of each submitted article specializes in the general subject area of the article. Moreover, each recently submitted article was peer-reviewed by experts listed in the table.

Review Rules

The Red Balloon Challenge was an experiment aimed at determining how quickly widely disbursed information could be gathered using social media. Competitors tried to locate 10 red weather balloons that had been tethered above random locations around the world in return for a $40,000 prize. The winning team located all of the balloons in just 9 hours, using an incentive-based strategy to encourage information sharing; The first person to send the correct coordinates of a particular balloon to the team received $2,000, but whoever recruited that person received $1,000, and the recruiter's recruiter received S500, and that person's recruiter received $250.

Select for 3 payments per balloon the amount of the prize money that the winning team would have remaining if they had to pay 3 people for each balloon located, and select for 4 payments per balloon the amount of the prize money that the winning team would have remaining if they had to pay 4 people for each balloon located. Make only two selections, one in each column.

(1) The telephone company connected 12 calls for the customer to Country B last month.

(2) If the telephone company had no connection fee last month but had charged a per-minute rate that was 20 percent greater than the rate the customer was actually charged, then the total charge fa the customer's calls to Country B last month would have been $90.00.

Sales promotions can involve selling a product at a relatively low price or selling the product with a free (or seemingly free) unit of the product, as in "buy one, get one free" campaigns. Research shows that immediately following month-long sales promotions, a postpromotion dip may occur, i.e., sales for the following calendar month may be less than sales for the calendar month preceding the sales promotion.

To increase sales, Storex, a department store, held month-long sales campaigns to promote four of its products. A sales promotion was considered successful if unit sales of the product were at least 10% higher in each of the 2 calendar months immediately following the promotion than In the month preceding it.

Experts have offered explanations for postpromotion dip:

• Explanation I: Many consumers stockpile the product at relatively low cost during the sales promotion.

• Explanation II: "Buy one, get one free" promotions cause some consumers to undervalue the product, making them less likely to buy it following the sales promotion.

• Explanation HI: Many consumers who missed a "buy one, get one free" opportunity may, as a result, develop so-called inaction inertia, i.e., become less likely to buy the product at either the regular or even at a discount price than if the sales promotion had not occurred.

For each of the following actions, select Yes if it is mentioned in at least two of the tabs. Otherwise, select No.

At a carnival game, a winning player spins a wheel that always lands on either Prize 1 or Prize 2 to determine which of the two prizes he or she wins. The probability that the prize wheel indicates Prize 2 Is double the probability that It indicates Prize 1. If a player does not want the prize that the prize wheel first indicates, then he or she may spin the wheel again. In such cases, the player must accept whichever prize the prize wheel indicates on the second spin.

Select for Prize I the number nearest to the probability that a winning player who wants Prize 1 will receive Prize 1 after one or two spins of the prize wheel, and select for Prize ^the number nearest to the probability that a winning player who wants Prize 2 will receive Prize 2 after one or two spins of the prize wheel. Make only two selections, one in each column.

Archaeologists have excavated two ancient sites, Site A and Site B, each containing bowls and dishes. A third site containing similar vessels (bowls and dishes), Site C, Is known to have existed but has not yet been located. The vessels have been dated to three successive 40-vear-long time periods (Mil).

The dishes that were found are small and plain and were made primarily for everyday use. For each site, the average population at the site for a period is known to be roughly proportional to the number of dishes found that were dated to that period.

The bowls are more elaborate, decorated In either a curvy or a rectilinear style. They were made primarily for ritual use. The numbers of bowls found indicate the level of wealth of the site's inhabitants during the period to which the bowls were dated (with greater numbers indicating greater wealth).

Documents found at Sites A and B establish that exactly 18 of the dishes found at Site A were manufactured at Site C; otherwise, all of the vessels were made at the sites where they were found.

For each of Sites A through C, select Yes If the Information provided Indicates that the population at that site was both greater in Period II than Period I and greater in Period III than in Period II. Otherwise, select No.

A company is considering replacing its periodic offsite face-to-face meetings with ones that can be conducted online In a virtual environment. The company calculated Its costs for each face-Io-face meeting as well as the initial one-time costs necessary to set up online meeting capabilities. Once those capabilities are established, the company incurs negligible additional costs for each subsequent meeting. The graphic shows the one-time cost to the company for the virtual meetings as well as the total costs for the face-to-face meetings. For example, if the company conducted 5 face-to-face meetings, then the total costs to the company for the meetings would be approximately US$20,000.