LSAT Cheat Sheet 2026

The 30 highest-yield LSAT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. In a grouping game where exactly 3 items are placed in Group 1 and exactly 2 in Group 2, a contrapositive is most useful when: → A conditional rule has a known false consequent
2. A conditional argument states: 'If the eyewitness testimony is unreliable, the jury should acquit. The jury convicted.' What can be logically inferred? → The eyewitness testimony was reliable.
3. A 'straw man' fallacy involves: → Misrepresenting an opponent's position to attack it more easily
4. When a Reading Comprehension passage presents multiple viewpoints on a controversy and then explicitly endorses one, the main point is most likely: → The author's preferred position among those debated
5. An LSAT argument is described as 'valid' when: → If the premises are true, the conclusion must be true
6. In a grouping game with three groups (X, Y, Z), 'Each group must contain at least one item' establishes what type of constraint? → A minimum constraint per group
7. In an LSAT sequencing game, a 'floater' variable is best described as: → A variable with no constraints linking it to other variables.
8. As ______ is to _________, apple is to orange. → sparrow : robin
9. What does 'blind review' mean in the context of LSAT preparation? → Reworking every question without a time limit after a timed practice test
10. What is the primary skill tested by Reading Comprehension passages on the LSAT? → Understanding the structure, purpose, and main point of complex academic writing
11. The LSAT Writing Sample section is: → An unscored section that is sent to law schools as part of the application
12. In an LSAT selection game, a 'dual option' technique is most useful when: → An item must occupy one of exactly two positions
13. Which resource is officially published by LSAC and considered the gold standard for LSAT practice material? → Official PrepTests published by LSAC
14. Philosopher: This action is moral because wise people throughout history have always done it. What is the primary flaw in this reasoning? → It appeals to tradition as a substitute for moral argument
15. Which of the following, if true, most weakens the argument that banning cell phones in schools improves student grades? → Schools that banned phones also hired additional tutors during the same period.
16. Parent: My son says he didn't steal the cookie, so he didn't steal it. Which reasoning flaw is illustrated? → Circular reasoning — using the claim itself as the only evidence for the claim
17. Passage (continued from above): According to the passage, seafloor spreading contributed to the acceptance of plate tectonics by: → Providing the mechanical explanation that Wegener's hypothesis had lacked.
18. An argument has premises P1 and P2 and conclusion C. A sufficient assumption SA is one where: → P1 + P2 + SA → C
19. When a comparative reading question asks which statement 'the authors of both passages would agree with,' you should look for a claim that: → Both authors are committed to based on their respective arguments
20. A judge instructs: 'If new evidence is presented, the case will be reopened. The case was not reopened.' What can be concluded? → No new evidence was presented.
21. Which of the following answer choices is most likely WRONG on a Main Point question? → An answer that accurately restates a premise from the argument
22. In LSAT grouping games, a 'floater' element is best described as: → An element with no rules governing its placement
23. In reading comprehension, the 'primary purpose' of a passage is best identified by: → Determining the overall goal the author is trying to achieve across the entire passage
24. In a selection game, the rule 'P is selected if and only if Q is not selected' is equivalent to which pair of conditionals? → P→not Q and not Q→P
25. Passage (continued from above): According to the passage, which of the following scenarios would most likely fall under the 'plain view' doctrine? → Officers conducting a lawful traffic stop observe illegal drugs on the car's back seat.
26. A passage states: 'All mammals are warm-blooded. Whales are mammals.' Which conclusion is most strongly supported? → Whales are warm-blooded
27. On the LSAT, when a question asks 'The argument depends on which assumption?' it is asking for a: → Necessary assumption
28. A hiring committee must select exactly 3 employees from applicants J, K, L, M, N. The rule states K and L cannot both be hired. Which scenario is impossible? → K, L, M are hired
29. In an LSAT Logical Reasoning question, a 'necessary assumption' is one that: → The argument cannot be true without
30. The 'principle' question type in Logical Reasoning typically asks you to: → Identify a general rule that justifies the argument or matches a specific situation