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Sufficient Assumption Questions.

An assumption that, added, makes the argument valid. There are 185 Sufficient Assumption questions in PrepTests 101–159: 29 rated easiest (1), 55 rated easy–medium (2), 68 rated hard (3), 33 rated hardest (4). Filter them below, then practice in your own materials.

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PT · Sec · QSubtypeQuestion typeStructureDifficultyWhat it asksQuestionReview

What Sufficient Assumption questions ask

Our plain-English paraphrase of the task in the first 50 of the 185 Sufficient Assumption questions in PrepTests 101–159 (paraphrases, not LSAC’s copyrighted stems — use the table above to locate each question in your own materials):

  1. PT101 S2 Q21 — Find the assumption that makes the conclusion properly drawn.
  2. PT101 S2 Q24 — Find the assumption that makes the conclusion follow logically.
  3. PT101 S3 Q10 — Find the assumption that makes the final conclusion follow.
  4. PT101 S3 Q19 — Find the assumption that makes the conclusion follow logically.
  5. PT102 S4 Q7 — Find the assumption justifying the predicted halibut price increase.
  6. PT102 S4 Q18 — Find the assumption that makes the conclusion follow logically.
  7. PT103 S3 Q21 — Find the assumption that makes the conclusion follow logically.
  8. PT104 S1 Q16 — Find the assumption that best justifies the conclusion.
  9. PT105 S1 Q9 — Find the assumption that lets the conclusion follow.
  10. PT105 S4 Q22 — Find the assumption that lets the conclusion be inferred.
  11. PT106 S1 Q24 — Find what added premise makes the conclusion follow logically.
  12. PT107 S1 Q20 — Find the assumption that lets the conclusion be drawn properly.
  13. PT108 S3 Q4 — Find the assumption that makes the conclusion follow logically.
  14. PT109 S3 Q21 — Identify the assumption that makes the conclusion follow logically.
  15. PT109 S3 Q23 — Find the assumption that makes the conclusion follow logically.
  16. PT110 S2 Q2 — Identify the assumption that makes the conclusion follow logically.
  17. PT110 S2 Q10 — Find the assumption that makes the conclusion follow logically.
  18. PT110 S3 Q21 — Identify the assumption that best justifies the conclusion.
  19. PT111 S1 Q20 — Identify the assumption that makes the columnist's conclusion follow.
  20. PT111 S1 Q22 — Find the assumption that makes the conclusion follow logically.
  21. PT111 S4 Q14 — Find the assumption that makes the conclusion follow logically.
  22. PT111 S4 Q19 — Identify the assumption that makes the conclusion follow logically.
  23. PT112 S1 Q18 — Identify the assumption that makes the conclusion follow logically.
  24. PT112 S1 Q22 — Find the assumption that makes the conclusion follow.
  25. PT112 S1 Q26 — Find the assumption that makes the conclusion follow logically.
  26. PT112 S3 Q12 — Find the assumption that makes the conclusion follow logically.
  27. PT113 S2 Q5 — Find the assumption that makes the conclusion follow logically.
  28. PT113 S4 Q9 — Find the assumption that makes the historian's conclusion follow.
  29. PT113 S4 Q20 — Find the assumption that lets the conclusion be properly drawn.
  30. PT114 S1 Q1 — Find the assumption that makes the physician's conclusion follow.
  31. PT114 S4 Q16 — Find the assumption that makes the conclusion follow logically.
  32. PT115 S2 Q21 — Find the assumption making the psychologist's conclusion follow.
  33. PT115 S4 Q17 — Identify the assumption that makes the conclusion follow logically.
  34. PT116 S2 Q14 — Find what best justifies the resident's conclusion.
  35. PT116 S2 Q18 — Identify the assumption making the editorial's conclusion follow.
  36. PT116 S3 Q16 — Find the assumption that makes the conclusion follow logically.
  37. PT117 S2 Q13 — Identify the assumption making the conclusion follow.
  38. PT117 S4 Q26 — Identify the assumption that makes the conclusion follow logically.
  39. PT118 S1 Q21 — Find the assumption that lets the conclusion follow.
  40. PT118 S1 Q23 — Find the assumption that makes the conclusion follow logically.
  41. PT118 S4 Q22 — Find the assumption that makes the conclusion follow logically.
  42. PT119 S2 Q4 — Find the assumption that lets Chapin's conclusion follow.
  43. PT119 S2 Q23 — Find the assumption that makes the conclusion follow logically.
  44. PT119 S3 Q24 — Find the assumption that lets the editorialist's conclusion follow.
  45. PT120 S1 Q9 — Find the assumption that makes the conclusion follow logically.
  46. PT120 S1 Q12 — Find the assumption that makes the conclusion follow logically.
  47. PT120 S3 Q21 — Find the assumption that makes the conclusion follow logically.
  48. PT121 S1 Q25 — Find the assumption that lets the conclusion follow.
  49. PT121 S4 Q8 — Find the assumption that makes the conclusion follow.
  50. PT121 S4 Q21 — Find the assumption making the sociologist's conclusion follow.

Sufficient Assumption questions, briefly

What is a Sufficient Assumption question on the LSAT?

An assumption that, added, makes the argument valid. It is one of the 18 Logical Reasoning question types in LSAT Academy's classification.

How many Sufficient Assumption questions are in PrepTests 101–159?

There are 185 Sufficient Assumption questions across PrepTests 101–159: 29 rated easiest (1), 55 rated easy–medium (2), 68 rated hard (3), 33 rated hardest (4).

How do I drill LSAT Sufficient Assumption questions by difficulty?

Use the free LR Drill Finder at https://www.lsat.academy/drill-finder/sufficient-assumption — filter the 185 Sufficient Assumption questions by difficulty (1–4), PrepTest range, and argument structure, then practice them in your own LawHub materials.

Want these questions worked through? Explore the free articles or book a consultation with David.

BetaThe portal, Drill Finder and Wrong Answer Journal are still in beta, so you might hit a few rough edges while we polish things up.