GMAT Strengthen practice questions
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5 sample questions
The principal of our school has decided to adopt a new curriculum for math classes, citing a study that showed significant improvement in math scores at several schools that implemented this curriculum. The principal believes that adopting this curriculum will lead to similar improvements in our school's math scores.
Which of the following, if true, most seriously strengthens the argument?
The study cited by the principal was conducted by a team of internationally recognized educational researchers.
The schools included in the study were selected randomly from a diverse range of geographical locations.
The schools in the study all had similar socioeconomic backgrounds to our school.
Parents of students in schools that adopted the curriculum reported higher satisfaction with their children's education.
The study found that schools implementing the new curriculum saw a 15% improvement in math scores.
A manufacturing company plans to implement new inventory management technology to improve operational efficiency. The company argues that this technology will achieve the desired outcome because it has been effective in other industries with comparable production scales.
Which of the following, if true, most strengthens the argument that implementing the new technology will achieve the desired outcome?
The technology is compatible with existing systems, reducing the need for costly upgrades.
The company has allocated a significant budget for employee training on the new technology.
Employees have expressed enthusiasm about learning the new system.
The technology vendor has won industry awards for innovation in similar operational systems.
The technology has been successfully implemented in three direct competitors, resulting in a 30% efficiency gain.
Agricultural analysts predict that regional crop yields will decline by at least 30% over the next 20 years, citing the steady loss of topsoil due to intensive farming practices. This projection assumes current soil conservation efforts remain unchanged.
Which of the following, if true, most strengthens the argument's prediction?
Government subsidies for organic farming practices are expected to increase substantially over the next decade.
Consumer demand for sustainably grown produce has grown by 25% annually for the past five years.
The current rate of soil degradation in the region is slower than previously estimated by agricultural scientists.
No new technologies capable of reversing topsoil loss are likely to become economically viable within 20 years.
Farmers who adopt precision irrigation techniques typically achieve higher yields than those who do not.
A rail industry report argues that new safety measures costing $2.3 billion annually are justified, citing a 12% reduction in accidents during the pilot program. However, critics note the pilot only involved high-traffic urban routes where accident rates were already declining.
Which of the following, if true, most strengthens the argument that the new rail safety measures are justified?
Freight rail operators have reported higher profitability since adopting the same safety measures.
The annual cost of implementing the measures ($2.3 billion) is less than half the estimated $5.1 billion annual economic losses from rail accidents.
Passenger surveys indicate widespread approval of any measure that improves perceived safety.
Rail companies that adopted similar measures in other countries saw no reduction in accident rates.
The majority of rail accidents occur on routes that have not yet implemented the new safety measures.
A recent study found that stricter safety regulations for commercial airlines could significantly reduce the number of accidents. Proponents argue that the economic benefits of preventing these accidents justify the costs of implementing the new regulations.
Which of the following, if true, most strengthens the argument that implementing stricter safety regulations for commercial airlines is cost-effective?
Passenger confidence in airline safety increases significantly when new regulations are introduced, leading to higher ticket sales.
The majority of accidents involving commercial airlines occur due to mechanical failures that stricter regulations could prevent, reducing accident rates by an estimated 40%.
The economic benefits of preventing airline accidents, including liability costs and lost revenue, outweigh the implementation costs of stricter safety measures by a 3:1 margin.
Stricter safety regulations have been shown to reduce maintenance costs for airlines by 15% annually after the initial implementation period.
Many countries with strict airline safety regulations have lower accident rates than those with less stringent rules, though their regulatory compliance costs are 20% higher.
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