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Practice Test 7 - LSAT Logical Reasoning

20 questions. Answer them in any order, then submit to see your score and every explanation.

  1. The two speakers are committed to disagreeing about which of the following?
  2. Poll: 500 sampled voters approve of the mayor. Mayor: most residents approve. Requires assuming:
  3. A city issues three types of parking permits: resident, visitor, and commercial. Every commercial permit allows parking in loading zones. No visitor permit allows parking in loading zones. Some resident permits allow parking in loading zones, and some do not. Permit A allows parking in loading zones. Permit B is a visitor permit. Permit C is a commercial permit. Permit D is a resident permit. Each permit is exactly one type, and the only types are resident, visitor, and commercial. Which one of the following can be properly inferred from the statements above?
  4. The argument requires assuming which one of the following?
  5. A restaurant owner claims that switching to a shorter menu increased customer satisfaction. She points out that after the menu was reduced from 40 items to 20, online ratings rose from an average of 3.8 to 4.4 stars over the next six weeks. She also notes that the kitchen staff reported fewer mistakes during busy hours once the menu was simplified. Therefore, she concludes that a shorter menu generally leads to happier customers, and she advises other restaurants in the area to cut their menus as well. The owner attributes the improved ratings mainly to the menu change. Which one of the following, if true, most strengthens the argument?
  6. The conclusion follows logically if which one of the following is assumed?
  7. At a mid-sized company, the human resources director notes that after the company began offering a free on-site yoga class twice a week, reported sick days fell by 15% over the next two months. During that same period, several employees told managers that the class helped them sleep better and feel less stressed at work. Lower stress, the director reasons, makes people less likely to get minor illnesses and more willing to come to work. Therefore, the yoga program is responsible for the reduction in sick days, and expanding it to daily classes will further reduce absenteeism across the company. Which one of the following, if true, most strengthens the argument?
  8. Based on the above, which of the following cannot be true?
  9. Which one of the following assumptions permits the conclusion above to be properly drawn?
  10. The two speakers are committed to disagreeing about which of the following?
  11. Which one of the following principles, if valid, most justifies the reasoning above?
  12. Which one of the following assumptions permits the conclusion above to be properly drawn?
  13. A wildlife biologist concludes that a certain wetland has become unsuitable for a frog species. The biologist notes that if a wetland's water contains more than 0.1 mg/L of a particular pesticide, then either the wetland is unsuitable for that frog species or the pesticide is present only in sediment, not in the water column. The biologist also notes that tests found 0.12 mg/L of the pesticide in the wetland's water. Therefore, the wetland is unsuitable for the frog species. Which one of the following assumptions, if made, enables the conclusion to be properly drawn?
  14. A neighborhood association president argues that planting more trees along the main street will reduce local air pollution. She notes that in a nearby town, measured particulate pollution fell the year after a large tree-planting campaign. She also points out that trees can trap some airborne particles on their leaves. Therefore, she concludes, if her neighborhood plants a similar number of trees along its main street, air pollution there will decline noticeably within a year. Which one of the following, if true, casts the most doubt on the conclusion above?
  15. A museum director argues that extending weekend hours will increase total ticket revenue. Last year, the museum ran a two-month pilot in which it stayed open two extra hours on Saturdays, and ticket sales during those added hours were strong. The director infers that visitors who came during the extra hours represent demand that previously went unmet. Therefore, if the museum extends weekend hours permanently, the director concludes that total weekend revenue will rise. This conclusion hinges on whether the additional visitors are mostly new visitors rather than people who would have visited anyway during regular hours. Which one of the following would be most useful to know in evaluating the museum director's argument?
  16. Which of the following, if true, most helps resolve the apparent paradox?
  17. Given that renewable energy sources are becoming more cost-effective and environmentally friendly, governments should increase investment in solar and wind technologies. The statement that renewable energy sources are becoming more cost-effective plays which one of the following roles in the argument?
  18. The reasoning in which one of the following arguments most closely resembles the reasoning in the argument above?
  19. A recent survey indicates that individuals who meditate regularly report higher levels of life satisfaction. The survey included responses from 1,000 participants, half of whom meditate daily. Researchers suggest that meditation could be a key factor in improving life satisfaction. However, the survey did not explore other mental health practices the participants might engage in. Which one of the following would be most useful to know in evaluating the researchers' hypothesis?
  20. Which of the following can be inferred from the information above?

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