Logical Reasoning — Assumption Questions
Assumption (Necessary and Sufficient) questions are the most common LR item type.
What you need to know
1Necessary Assumption: what MUST be true for the argument to work — use the negation test
2Sufficient Assumption: what, if added, GUARANTEES the conclusion
3Both types require isolating the conclusion from the premises first
4Combined, Assumption items represent ~25% of the entire LSAT
About the LSAT
- Full name
- Law School Admission Test
- Passing score
- Scored 120–180; the score you need varies by law school
Study Logical Reasoning — Assumption Questions with Koydo
Practice questions with instant explanations.
Keep studying
Other LSAT Topics
Logic Games — Linear Sequencing
Study →The most trainable LSAT section — diagramming skill determines score more than reasoning.
Reading Comprehension — Comparative Passages
Study →Paired passages testing the relationship between two authors' arguments.
Logical Reasoning — Weaken & Strengthen
Study →Together ~25% of all LR items. Attack or support the link between premises and conclusion.