GMAT Exam Dumps : Graduate Management Admission Test (2022)

Daniel: Historically, railroads substantially altered the course of the United States economy, enabling the country to enjoy unprecedented growth in the nineteenth century.

Robert: It's true that growth required cheap inland transportation, which railroads provided. But with government support similar to the massive land grants that subsidized rapid railroad expansion, canals and roads could have had the same effect.

Which of the following is most likely a point that Robert believes is at issue between Daniel and himself?

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.

In 90 percent of the commercial airline accidents last year, one or another of a group consisting of only 18 percent of the world's commercial airlines was involved. Since the other 82 percent of airlines were generally flying the same types of airplanes as the accident-prone airlines, significant differences in safety procedures must have been responsible for these differences In safety records.

Which of the following, if true about the world's commercial airlines last year, most seriously weakens the argument above?