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GMAT Focus Edition practice questions

211 free questions with answers and explanations.

Practice test
  1. 1.What is the value of x?Quantitative Reasoning
  2. 2.A chemist needs to mix a 60% acid solution with a 30% acid solution to produce 15 liters of a 40% acid solution. How many liters of the 60% acid solution are needed?Quantitative Reasoning
  3. 3.A project manager estimates that a task can be completed by 3 workers in 15 days. If the manager needs the task completed in 9 days, how many additional workers, with the same work rate, are required?Quantitative Reasoning
  4. 4.A student scored 85, 92, and 78 on three exams. What score does the student need on the fourth exam to achieve an average score of 88 across all four exams?Quantitative Reasoning
  5. 5.A car travels from City A to City B at an average speed of 60 km/h and returns from City B to City A at an average speed of 40 km/h. What is the average speed for the entire round trip?Quantitative Reasoning
  6. 6.A quality control manager inspects a batch of 500 items. Historically, 3% of items are defective. If the manager randomly selects 20 items for inspection, what is the probability that none of the selected items are defective?Quantitative Reasoning
  7. 7.A town known for its historic architecture is considering implementing stricter building codes to preserve the unique character of its downtown area. These new codes would require all new constructions and major renovations to adhere to specific architectural styles and use certain traditional materials. Proponents argue this will boost tourism and property values by maintaining the town's appeal. Opponents contend that such codes will stifle development and make housing unaffordable. Which of the following, if true, would most strongly support the opponents' contention?Verbal Reasoning
  8. 8.A business consultant advises a startup to invest heavily in social media advertising, claiming it will significantly increase brand awareness and customer engagement. The consultant bases this advice on the observation that many successful large corporations have robust social media presences and high engagement rates. Which of the following, if true, would most seriously challenge the foundational assumption of the consultant's advice?Verbal Reasoning
  9. 9.A new agricultural technique promises to significantly increase crop yields by using genetically modified seeds that require less water. Proponents claim this technique will solve food scarcity issues in arid regions. Which of the following, if true, would most seriously challenge the claim that this technique will solve food scarcity issues in arid regions?Verbal Reasoning
  10. 10.A new study reveals that cities with a higher number of public parks per capita experience lower rates of respiratory illnesses among their residents. Researchers conclude that increasing the number of public parks directly improves public health. Which of the following, if true, would most strengthen the researchers' conclusion?Verbal Reasoning
  11. 11.A new fitness tracker claims to accurately measure calorie expenditure during exercise. However, a review of several independent studies found that the tracker consistently overestimated calorie burn by an average of 20%. The manufacturer argues that this overestimation is negligible, as users are primarily interested in tracking progress over time, not absolute accuracy. Which of the following, if true, most seriously undermines the manufacturer's argument?Verbal Reasoning
  12. 12.A recent study found that employees who participate in regular mindfulness meditation sessions report significantly lower stress levels and higher job satisfaction compared to those who do not. Based on these findings, a company decides to implement a mandatory mindfulness program for all its employees, expecting a substantial increase in overall productivity. Which of the following, if true, would most seriously weaken the company's expectation?Verbal Reasoning
  13. 13.A city council is debating whether to fund a new initiative to convert all streetlights to energy-efficient LED bulbs. Proponents argue that the long-term energy savings will justify the initial investment. Opponents, however, claim that the significant upfront cost will place an undue burden on taxpayers, especially given that the current streetlights are still functional. Which of the following, if true, would most strengthen the opponents' argument?Verbal Reasoning
  14. 14.A new study concludes that children who spend more time reading physical books tend to have better concentration skills than those who primarily use digital devices for reading. The study authors recommend that parents encourage physical book reading to improve their children's concentration. Which of the following, if true, would most seriously weaken the study's conclusion?Verbal Reasoning
  15. 15.A local government proposed a mandatory recycling program, arguing it would significantly reduce the amount of waste sent to landfills. An environmental advocacy group countered that the program would have a negligible impact because most of the city's waste is non-recyclable construction debris. Which of the following, if true, would most effectively refute the advocacy group's counter-argument?Verbal Reasoning
  16. 16.A recent study revealed that cities with extensive public transportation networks experience significantly lower rates of traffic-related air pollution compared to cities that rely primarily on private automobiles. This finding suggests that investing in public transportation could be an effective strategy for improving urban air quality. Which of the following, if true, most strengthens the argument?Verbal Reasoning
  17. 17.A small town relies heavily on its fishing industry. Recently, a new factory opened upstream, and shortly thereafter, the fish population in the town's river significantly declined. Local environmentalists conclude that the factory's operations are directly responsible for the decline in fish. Which of the following, if true, would most seriously weaken the environmentalists' conclusion?Verbal Reasoning
  18. 18.A pharmaceutical company is developing a new drug for a rare autoimmune disease. Initial clinical trials show that 70% of patients experienced a significant reduction in symptoms. The company's CEO claims this success rate is highly promising for securing regulatory approval. Which of the following, if true, would most seriously challenge the CEO's claim about *securing regulatory approval*?Verbal Reasoning
  19. 19.A recent study found that individuals who regularly consume blueberries score significantly higher on memory tests than those who do not. Researchers concluded that regular blueberry consumption enhances cognitive function. Which of the following, if true, would most seriously weaken the researchers' conclusion?Verbal Reasoning
  20. 20.A city council is considering implementing a new bicycle-sharing program to reduce traffic congestion and carbon emissions. A council member argues that since a similar program in a neighboring city successfully reduced both traffic and emissions, their city should expect similar positive outcomes. Which of the following, if true, would most seriously challenge the council member's argument?Verbal Reasoning
  21. 21.A multinational corporation, seeking to reduce its carbon footprint, announced a new initiative to convert all company vehicles to electric models within five years. The CEO stated that this initiative alone would demonstrate the company's strong commitment to environmental sustainability and significantly reduce its overall environmental impact. Which of the following, if true, most strongly suggests that the CEO's claim about 'significantly reduc[ing] its overall environmental impact' is overstated?Verbal Reasoning
  22. 22.A company is considering whether to invest in a new automated customer service system. Proponents argue that this system will reduce operational costs by replacing human agents and will improve customer satisfaction due to faster response times. Opponents, however, claim that while costs might decrease, customer satisfaction will decline because many customers prefer interacting with human agents. Which of the following is an assumption on which the proponents' argument relies?Verbal Reasoning
  23. 23.A study found that employees who regularly use standing desks report fewer instances of back pain compared to those who use traditional sitting desks. The study concluded that companies should invest in standing desks to reduce employee back pain. Which of the following, if true, would most seriously weaken the study's conclusion?Verbal Reasoning
  24. 24.A pharmaceutical company is developing a new drug to treat a rare disease. Initial trials show that patients taking the drug experienced a 30% reduction in symptoms, while those on a placebo experienced only a 5% reduction. The company concludes that the drug is effective. Which of the following, if true, would be most important to know in evaluating the company's conclusion?Verbal Reasoning
  25. 25.A local bookstore owner observes that sales of classic literature have significantly increased since a new art gallery opened next door. The owner concludes that the presence of the art gallery encourages people to purchase classic literature. Which of the following, if true, would most seriously weaken the bookstore owner's conclusion?Verbal Reasoning
  26. 26.Research indicates that children who eat breakfast regularly tend to perform better academically than those who frequently skip it. Therefore, schools should implement mandatory breakfast programs to improve students' academic performance. Which of the following describes a flaw in the reasoning above?Verbal Reasoning
  27. 27.A marketing firm advises a new e-commerce startup to focus its advertising budget on social media influencers, claiming this will generate the highest return on investment (ROI) for their product, a line of artisanal handcrafted jewelry. The firm cites a report that shows influencer marketing is highly effective for fashion brands. Which of the following, if true, would most seriously weaken the firm's advice?Verbal Reasoning
  28. 28.A new online education platform boasts that its students achieve significantly higher exam scores compared to students in traditional classroom settings. They attribute this success to their proprietary AI-driven personalized learning modules. Which of the following, if true, would most seriously weaken the platform's claim about the effectiveness of its AI modules?Verbal Reasoning
  29. 29.A technology company plans to launch a new smartphone with a significantly longer battery life than its competitors. The marketing team projects that this feature will be the primary driver of sales, leading to a 20% market share increase within the first year. Which of the following, if true, would provide the strongest reason to doubt the marketing team's projection?Verbal Reasoning
  30. 30.A technology company plans to launch a new smartphone with a significantly longer battery life than its competitors. The company's marketing strategy is built around the assumption that battery life is the primary factor consumers consider when purchasing a smartphone. Which of the following, if true, would most seriously challenge this primary driver assumption?Verbal Reasoning
  31. 31.A new fitness tracker claims to accurately measure calorie expenditure during exercise. However, a review in a consumer magazine states that the tracker's readings can vary by as much as 20% compared to laboratory-grade equipment. The magazine concludes that the tracker is unreliable for serious athletes. Which of the following, if true, would most seriously undermine the magazine's conclusion?Verbal Reasoning
  32. 32.A new agricultural technique promises to significantly increase crop yields by using genetically modified (GM) seeds that are resistant to a specific herbicide. Farmers adopting this technique are advised to apply the herbicide liberally to control weeds, which would otherwise compete with the GM crops. Environmental activists argue that this technique will inevitably lead to a decrease in biodiversity due to the widespread use of a potent herbicide. Which of the following, if true, would most seriously weaken the activists' argument?Verbal Reasoning
  33. 33.A new diet program promises rapid weight loss by drastically restricting carbohydrate intake. The program's proponents claim that this restriction forces the body to burn fat for energy, leading to quick and substantial results. Which of the following, if true, provides the most significant alternative explanation for the observed rapid weight loss in the initial stages of the program?Verbal Reasoning
  34. 34.A business consultant advises a startup to invest heavily in social media advertising, claiming it's the most cost-effective way to reach their target demographic of young adults. The consultant points to a recent report showing that 90% of young adults use social media daily. Which of the following, if true, would most seriously undermine the consultant's advice?Verbal Reasoning
  35. 35.A new study concludes that children who spend more time reading physical books tend to have better concentration skills than those who primarily read on digital devices. The researchers suggest this is because physical books offer fewer distractions. Which of the following, if true, would most seriously weaken the researchers' suggested reason for the difference in concentration skills?Verbal Reasoning
  36. 36.A new diet program promises rapid weight loss by drastically restricting carbohydrate intake. The program's founder claims that participants will not experience significant hunger because the body will efficiently burn fat for energy, leading to sustained satiety. Which of the following, if true, would cast the most serious doubt on the founder's claim about sustained satiety?Verbal Reasoning
  37. 37.A company is considering whether to invest in a new automated customer service system. Proponents argue that the system will reduce costs by replacing human agents and improve service efficiency. Opponents, however, claim that customers prefer interacting with human agents and that the automated system will lead to decreased customer satisfaction. Which of the following is an assumption on which the opponents' argument relies?Verbal Reasoning
  38. 38.A recent study found that individuals who regularly consume fermented foods, such as yogurt and kimchi, exhibit lower levels of perceived stress and anxiety. The study authors concluded that increasing fermented food intake in the diet can effectively reduce psychological stress. Which of the following, if true, would most strengthen the study's conclusion?Verbal Reasoning
  39. 39.A recent study found that individuals who regularly consume fermented foods, such as yogurt and kimchi, exhibit lower rates of anxiety. Researchers concluded that the probiotics in these foods positively impact gut-brain axis communication, thereby reducing anxiety. Which of the following, if true, would most strengthen the researchers' conclusion?Verbal Reasoning
  40. 40.A new online education platform boasts that its students achieve significantly higher exam scores than students in traditional classroom settings. However, the platform's enrollment is entirely voluntary, and students must pass a rigorous entrance exam to be accepted. Which of the following, if true, most seriously undermines the platform's claim that its teaching methods are superior?Verbal Reasoning
  41. 41.A local coffee shop owner observes that sales of specialty lattes have significantly increased during the past year. The owner attributes this surge primarily to a new marketing campaign featuring vibrant social media ads. Which of the following, if true, would provide the strongest alternative cause for the increase in latte sales?Verbal Reasoning
  42. 42.A regional airline has observed a significant increase in customer complaints regarding flight delays over the past year. To address this, the airline plans to hire additional ground crew staff, arguing that this will improve turnaround times and reduce delays. Which of the following, if true, would most critically undermine the airline's proposed solution?Verbal Reasoning
  43. 43.A regional airline has observed a significant increase in customer complaints regarding flight delays and cancellations. The airline's management attributes this primarily to an aging fleet of aircraft, which requires more frequent maintenance and is prone to mechanical issues. Which of the following, if true, points to the most significant overlooked factor contributing to the increase in complaints?Verbal Reasoning
  44. 44.A country has implemented a new policy aimed at reducing its carbon emissions by heavily investing in renewable energy sources. Proponents argue that this policy will not only achieve emission reduction targets but also stimulate economic growth through job creation in the green sector. Which of the following, if true, would most seriously weaken the claim that the policy will stimulate economic growth?Verbal Reasoning
  45. 45.A recent study found that individuals who regularly consume blueberries score significantly higher on cognitive function tests than those who do not. Researchers conclude that including blueberries in one's diet directly enhances cognitive function. Which of the following, if true, would most seriously weaken the researchers' conclusion?Verbal Reasoning
  46. 46.A local government proposed a mandatory recycling program, arguing it would significantly reduce landfill waste and promote environmental sustainability. Opponents argued that the program would impose an undue burden on residents and businesses without achieving its stated goals. Which of the following, if true, would most strongly support the opponents' argument that the program would not achieve its stated goals?Verbal Reasoning
  47. 47.A new art gallery opened in a city known for its vibrant cultural scene. The gallery owner attributes initial high visitor numbers and sales primarily to the gallery's prime location in the city center. Which of the following, if true, would most strengthen the specific link between the gallery's location and its success?Verbal Reasoning
  48. 48.A city council is debating whether to fund a new public art installation that features interactive digital displays. Proponents argue that the installation will attract tourists, boost local businesses, and enhance the city's cultural image. Opponents, however, claim that such an installation would be an unnecessary expense, diverting funds from more critical infrastructure projects. Which of the following, if true, would most strengthen the opponents' argument?Verbal Reasoning
  49. 49.A marketing firm advises a local restaurant to focus its advertising on social media influencers, claiming this strategy will significantly increase the restaurant's customer base. The firm cites recent data showing that 70% of the restaurant's current customers follow at least one local food influencer. Which of the following, if true, would most seriously weaken the marketing firm's claim?Verbal Reasoning
  50. 50.A national restaurant chain is considering replacing its traditional deep fryers with new air fryers in all its locations. Proponents argue that this change will drastically improve the nutritional profile of their menu items, appealing to health-conscious customers and boosting sales. Which of the following, if true, would most seriously weaken the claim that the change will drastically improve the nutritional profile of their menu items?Verbal Reasoning