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LSAT (Law School Admission Test) practice questions

200 free questions with answers and explanations.

Practice test
  1. 1.City Official: Our new public transportation system, which includes expanded bus routes and a new light rail line, has been a resounding success in reducing traffic congestion. Since its full implementation six months ago, peak hour commute times have decreased by an average of 10% across the city.Logical Reasoning
  2. 2.Economist: The government's new policy, which provides subsidies to renewable energy companies, will inevitably lead to a decrease in overall national energy costs. This is because renewable energy sources are becoming increasingly efficient and less expensive to produce than traditional fossil fuels. Therefore, as more companies adopt these subsidized technologies, the market price for energy will fall.Logical Reasoning
  3. 3.City Council Member: Our new initiative to provide free public Wi-Fi in all downtown areas has been a resounding success. Since its implementation six months ago, the number of new businesses opening in the downtown core has increased by 15%, which is a clear indication that the Wi-Fi has stimulated local economic growth.Logical Reasoning
  4. 4.Client: My financial advisor recommended that I invest in a particular biotechnology company, arguing that its recent breakthrough in gene editing technology will guarantee substantial returns. However, I am skeptical. This advisor has consistently recommended high-risk investments, and most of my previous investments based on their advice have performed poorly. Therefore, I should not invest in this biotechnology company.Logical Reasoning
  5. 5.A recent survey showed that 70% of respondents in City X believe that public parks are essential for community well-being. However, only 30% of those same respondents reported visiting a public park in the last month. This discrepancy indicates that most residents of City X do not truly value their public parks.Logical Reasoning
  6. 6.An architect proposes that a new city park should be designed with only native plant species. Her reasoning is that native plants require less water, fertilizer, and pest control, thereby reducing maintenance costs and promoting local biodiversity. A city council member responds, 'But many residents prefer the aesthetic of non-native ornamental flowers, and a park should primarily serve the preferences of its users.' The council member's response indicates a disagreement over which of the following?Logical Reasoning
  7. 7.Philosopher: Ethical egoism, the view that one ought always to act in one's own self-interest, cannot be a valid moral theory. If everyone were to act solely in their own self-interest, society would descend into chaos, making life unbearable for all. Therefore, ethical egoism is untenable.Logical Reasoning
  8. 8.A recent study found that individuals who regularly consume caffeine tend to report higher levels of daily stress. Therefore, to reduce daily stress, one should eliminate caffeine from their diet.Logical Reasoning
  9. 9.A philosopher argues: 'True happiness is found not in the pursuit of pleasure, but in the cultivation of virtue. For pleasure is fleeting and often leads to dissatisfaction, while virtue, once attained, provides lasting contentment.' Which of the following is an assumption underlying the philosopher's argument?Logical Reasoning
  10. 10.A recent article argues that widespread adoption of electric vehicles (EVs) will significantly reduce urban air pollution. The article cites data showing that EVs produce zero tailpipe emissions. \n\nWhich of the following, if true, most seriously challenges the article's conclusion?Logical Reasoning
  11. 11.Manager: Our company's new employee wellness program, which offers free gym memberships and nutrition counseling, has been a resounding success. Since its implementation six months ago, employee productivity has increased by 15%, and sick days have decreased by 20%. Clearly, the wellness program is directly responsible for these improvements.Logical Reasoning
  12. 12.Marketing Director: Our new advertising campaign, which focuses on emotional appeal rather than product features, has significantly increased sales. This demonstrates that consumers are primarily influenced by their feelings when making purchasing decisions. Which of the following, if true, would most seriously weaken the marketing director's conclusion?Logical Reasoning
  13. 13.A recent study found that employees who participate in voluntary wellness programs at work report higher job satisfaction than those who do not. The study concludes that offering wellness programs increases employee job satisfaction. Which of the following, if true, would most seriously weaken the study's conclusion?Logical Reasoning
  14. 14.Financial Analyst: 'Investing in cryptocurrency is inherently risky. The market is highly volatile, and there is no underlying asset or government backing. Therefore, no rational investor should put their money into cryptocurrency.'Logical Reasoning
  15. 15.Biologist: The recent increase in the population of deer in suburban areas is primarily due to the decline in their natural predators, such as wolves and cougars, which have been driven out by human expansion. Therefore, to control the deer population and prevent overgrazing, reintroducing these predators into suitable habitats is the most effective solution.Logical Reasoning
  16. 16.Legal Scholar: The recent Supreme Court ruling, which expanded the scope of digital privacy rights to include data stored on third-party servers, represents a significant victory for individual liberties. Critics argue that this ruling will hinder law enforcement's ability to investigate crimes by making it more difficult to access crucial digital evidence. However, this criticism overlooks the fact that law enforcement has always been required to obtain warrants for physical evidence, and digital evidence should be treated no differently.Logical Reasoning
  17. 17.A medical researcher states: 'Our new drug, 'NeuroBoost,' has been shown to significantly improve memory function in elderly patients. In our trial, 70% of patients receiving NeuroBoost reported noticeable improvements, while only 30% of patients receiving a placebo reported similar improvements.'Logical Reasoning
  18. 18.Marketing Director: 'Our new advertising campaign, which focuses on emotional appeal rather than product features, has been a resounding success. Sales of our flagship product have increased by 20% since the campaign launched.'Logical Reasoning
  19. 19.Psychologist: A recent study showed that children who regularly participate in structured musical training programs tend to score higher on standardized math tests than children who do not. This suggests that musical training enhances mathematical ability.Logical Reasoning
  20. 20.A company executive argues: 'Our new employee wellness program, which offers free gym memberships and healthy cooking classes, has been a resounding success. Employee absenteeism has decreased by 15% since its implementation.'\n\nWhich of the following, if true, identifies the most serious flaw in the executive's reasoning?Logical Reasoning
  21. 21.Biologist: The recent increase in the population of deer in suburban areas is primarily due to increased deforestation, which forces deer into human-dominated habitats. However, a local wildlife expert points out that the deer population has also increased in areas where deforestation rates have remained stable. Therefore, the biologist's claim is incorrect.Logical Reasoning
  22. 22.A historian argues that the primary cause of the empire's downfall was a prolonged drought, leading to widespread famine and social unrest. However, recent geological surveys indicate that the drought was not as severe or prolonged as previously thought, and the empire had robust irrigation systems. This new information, if true, would most likely lead the historian to:Logical Reasoning
  23. 23.A nutritionist states: 'To maintain a healthy weight, individuals should drastically reduce their intake of carbohydrates. Carbohydrates are easily converted to fat in the body, leading to weight gain.' Which of the following principles, if valid, would cast the most doubt on the nutritionist's recommendation?Logical Reasoning
  24. 24.A biologist argues: 'The recent decline in the local frog population is due to increased pesticide use in agricultural areas bordering their habitats. Last year, pesticide application doubled, and the frog population subsequently decreased by 30%.' Which of the following statements, if true, would most weaken the biologist's argument?Logical Reasoning
  25. 25.Legal Scholar: The recent Supreme Court ruling, which expanded the scope of digital privacy, will undoubtedly stifle technological innovation. Companies will now face increased regulatory burdens and legal risks when developing new data-driven services, leading to a significant slowdown in progress in the tech sector.Logical Reasoning
  26. 26.A medical researcher states: 'Our new drug, 'VitalityX,' has been shown to significantly reduce the severity of symptoms in patients with chronic fatigue syndrome. In our clinical trial, 70% of patients receiving VitalityX reported a noticeable improvement, compared to only 30% in the control group.'\n\nWhich of the following, if true, identifies the most serious flaw in the researcher's reasoning?Logical Reasoning
  27. 27.Philosopher: Ethical relativism, the view that moral judgments are true or false only relative to some particular standpoint, such as that of a culture or historical period, is untenable. If ethical relativism were true, then any moral judgment, no matter how abhorrent, would be considered 'true' within its own context, making moral progress or critique impossible. But moral progress is evident throughout history. The philosopher's argument proceeds by:Logical Reasoning
  28. 28.A medical researcher claims: 'Our new drug, 'Cognito,' significantly improves memory function in elderly patients. In a clinical trial, patients who received Cognito showed an average 15% increase in their scores on standardized memory tests, whereas patients in the control group showed no significant change.' Which of the following, if true, would most seriously weaken the researcher's conclusion?Logical Reasoning
  29. 29.A recent study showed that children who regularly consume sugary drinks are more likely to perform poorly in school. This has led many to conclude that sugary drinks directly cause academic decline. However, critics point out that children from lower-income households, who often have less access to healthy food options, also tend to consume more sugary drinks and disproportionately face academic challenges. Which of the following, if true, most weakens the conclusion that sugary drinks directly cause academic decline?Logical Reasoning
  30. 30.Historian: 'The decline of the Roman Empire was primarily due to its overreliance on slave labor. This reliance stifled innovation and made the economy inflexible, ultimately leading to its collapse.'Logical Reasoning
  31. 31.Environmentalist: To protect endangered species, we must either ban all development in their habitats or accept their inevitable extinction. Since we cannot allow species to go extinct, we are obligated to ban all development.Logical Reasoning
  32. 32.A consumer advocate claims: 'The rising cost of organic produce is solely due to increased demand. As more people choose organic, prices naturally increase.' However, a farmer points out that the cost of organic certification has also significantly increased, along with stricter regulations for organic farming, which require more labor and specialized equipment. The farmer's statement functions as:Logical Reasoning
  33. 33.Legal Scholar: The recent Supreme Court ruling, which expanded the scope of digital privacy rights, is a landmark decision. It correctly recognizes that constitutional protections, originally designed for physical property and personal liberty, must evolve to address the challenges of the digital age.Logical Reasoning
  34. 34.A biologist states: 'The recent decline in the local frog population is due to increased pesticide use in agricultural areas bordering their habitats. Studies show a direct correlation between pesticide runoff and frog mortality rates.'\n\nWhich of the following, if true, would most weaken the biologist's conclusion?Logical Reasoning
  35. 35.A recent study found that individuals who regularly consume whole grains have a significantly lower risk of heart disease. The researchers concluded that consuming whole grains directly protects against heart disease.Logical Reasoning
  36. 36.A recent study found that employees who participate in voluntary wellness programs at work report higher job satisfaction. The study concluded that employers should implement wellness programs to boost employee morale.Logical Reasoning
  37. 37.City Official: Our new public transportation system, which includes expanded bus routes and a new light rail line, has been a success. Ridership has increased by 20% in the last year, proving that our investment has encouraged more people to use public transit. \n\nWhich of the following, if true, most seriously weakens the city official's conclusion?Logical Reasoning
  38. 38.A philosopher argues: 'Since it is impossible to definitively prove the existence of free will through empirical observation, we must conclude that free will does not exist.'Logical Reasoning
  39. 39.City Official: Our new public transportation system, which includes expanded bus routes and a new light rail, was designed to reduce traffic congestion and carbon emissions. However, a recent analysis shows that traffic congestion has not decreased and carbon emissions have only marginally improved since the system's implementation. This indicates that public transportation systems are ineffective tools for achieving environmental and traffic goals.Logical Reasoning
  40. 40.Financial Analyst: Investing in cryptocurrency is inherently risky. The market is highly volatile, unregulated, and vulnerable to sudden crashes. Therefore, no rational investor should allocate a significant portion of their portfolio to cryptocurrency.Logical Reasoning
  41. 41.A medical researcher states: 'Despite the common belief that regular consumption of vitamin C supplements prevents the common cold, studies consistently show no significant difference in cold incidence or duration between supplement users and non-users. Therefore, the widespread use of vitamin C supplements for cold prevention is a waste of money.' Which of the following is a flaw in the researcher's reasoning?Logical Reasoning
  42. 42.Biologist: The recent increase in the population of a certain invasive beetle species is a direct result of climate change. Warmer average temperatures have allowed the beetles to complete more reproductive cycles each year, leading to a rapid population explosion. Which of the following, if true, would most seriously weaken the biologist's conclusion?Logical Reasoning
  43. 43.Economist: The government's new tax incentive program for electric vehicle purchases will not significantly reduce overall carbon emissions. While it will encourage some consumers to switch to electric vehicles, the program does not address the fundamental issue of electricity generation, which in many regions still relies heavily on fossil fuels. Thus, the carbon emissions saved from fewer gasoline cars will simply be offset by increased emissions from power plants. Which of the following is the main point of the economist's argument?Logical Reasoning
  44. 44.Columnist: The mayor's proposal to fund new public parks by increasing property taxes is deeply flawed. Property taxes disproportionately burden homeowners, many of whom are already struggling financially. Therefore, this proposal is unjust and should be rejected.Logical Reasoning
  45. 45.A recent study found that individuals who regularly engage in creative hobbies, such as painting or playing a musical instrument, report significantly lower stress levels than those who do not. A psychologist concludes that engaging in creative hobbies is an effective way to reduce stress.\n\nWhich of the following, if true, would most strengthen the psychologist's conclusion?Logical Reasoning
  46. 46.Health Official: Our city's new mandatory vaccination policy for public school children is crucial for public health. While some argue it infringes on parental rights, the policy is justified because it protects the entire community, especially vulnerable individuals who cannot be vaccinated, by achieving herd immunity.Logical Reasoning
  47. 47.A recent survey found that 80% of residents in City X believe that their local government is doing a 'good' or 'excellent' job. This is a significant increase from five years ago, when only 50% held the same view. Therefore, the quality of local governance in City X has substantially improved over the past five years. Which of the following, if true, would most seriously weaken the conclusion?Logical Reasoning
  48. 48.Columnist: Many critics argue that the recent decline in classical music concert attendance is due to a lack of interest among younger generations. However, this view overlooks a crucial factor: the average ticket price for classical concerts has risen significantly faster than inflation over the past decade. It is far more likely that the decline in attendance is primarily an economic issue, not a generational one.Logical Reasoning
  49. 49.Politician: My opponent claims that raising the minimum wage will lead to job losses. However, my opponent is a wealthy business owner who benefits from low wages, so his arguments against a higher minimum wage are clearly self-serving and should be dismissed.Logical Reasoning
  50. 50.A medical researcher states: 'A recent study found that individuals who regularly consume caffeine tend to report higher levels of daily productivity. Therefore, caffeine consumption directly causes increased productivity.'\n\nThe researcher's conclusion is problematic primarily because it:Logical Reasoning