GMAT Assumption – Sufficient practice questions
Assumption – Sufficient is a high-yield GMAT topic. Work through these practice questions to build accuracy and speed before test day.
Free Assumption – Sufficient practice
5 sample questions
Over the past five years, the city has steadily improved its municipal services, including public transportation, waste management, and public safety. Given this trend, it is likely that the city will continue to enhance these services in the coming years.
Which of the following, if true, most seriously undermines the argument's prediction?
The city's population is projected to grow by 10% over the next five years.
Recent surveys indicate that public satisfaction with municipal services has declined.
Many residents have expressed concerns about the quality of local schools.
The city has invested heavily in infrastructure improvements over the past decade.
A new state law will restrict the city's ability to raise property taxes.
After implementing a comprehensive employee training program, a company reported a 15% increase in productivity over the following quarter. The company's management concluded that the training program was responsible for this improvement.
Which of the following, if true, would most effectively call into question the explanation given for the increase in productivity?
The training sessions were conducted during work hours, temporarily reducing available work time.
The company simultaneously introduced a new performance-based bonus system during the same period.
Several competing companies have also reported productivity increases this quarter.
Employees who participated in the training program reported higher job satisfaction than those who did not.
The training program focused primarily on theoretical concepts rather than practical skills.
A company recently shifted to a remote work model and observed a 20% increase in workplace productivity. The company's management concluded that the increase in productivity is due to employees being able to work from home.
Which of the following, if true, most seriously undermines the explanation given for the increase in workplace productivity?
Employees who work remotely report higher levels of job satisfaction than those who work in the office.
Employees who work remotely tend to have more experience in their roles than those who work in the office.
The company invested heavily in new technology that streamlined many of the employees' daily tasks.
The increase in productivity coincided with a significant reduction in the number of meetings employees were required to attend.
The company recently introduced a new performance evaluation system that rewards high productivity with bonuses.
Archaeologists recently uncovered sophisticated stone tools in Region X, while only basic tools were found in nearby Region Y, dating to the same period. The researchers concluded that the ancient inhabitants of Region X were more technologically advanced than those of Region Y and will likely continue to show greater advancement in future discoveries.
The argument depends on the assumption that:
the tools found in Region X were not imported from another region
the climate conditions in Region X will remain stable in the future
future archaeological discoveries in Region X will not reveal more advanced tools
the population of Region X was larger than that of Region Y
the tools found in Region Y were used for the same purposes as those in Region X
A government report argues that new environmental regulations should be implemented because historical data shows that the benefits of such regulations have always outweighed their costs. The report concludes that since past regulations produced net benefits, future regulations will do the same.
The argument relies on the assumption that:
Future technological changes will not substantially reduce compliance costs.
The public's demand for environmental protection will remain constant over time.
The same factors that made past regulations cost-effective will continue to operate in the future.
The ratio of benefits to costs for past regulations was sufficiently high to justify implementation.
The economic costs of past regulations did not prevent companies from remaining profitable.
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