LSAT Practice Exam Questions With Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
Question 1
Which of the following most weakens the argument that increasing
study hours always improves test performance?
A. Some students prefer studying in groups
B. Test performance depends on study quality, not just hours
C. Longer study hours reduce sleep time
D. Many students study late at night
Answer: B
Study effectiveness depends on quality, not duration, undermining the
assumption that more hours automatically improve performance.
Question 2
If all lawyers are licensed professionals and some licensed professionals
are judges, which must be true?
A. All judges are lawyers
B. Some lawyers are judges
C. Some licensed professionals are not lawyers
D. No lawyers are judges
Answer: C
Since only some licensed professionals are judges and all lawyers are a
,subset of licensed professionals, some licensed professionals are not
lawyers.
Question 3
A city reduces speed limits and reports fewer accidents. What
assumption is required?
A. Drivers obeyed the new speed limits
B. Weather remained constant
C. Cars became safer
D. Traffic increased
Answer: A
The conclusion depends on drivers actually following the reduced speed
limits.
Question 4
Which weakens the claim that online education is more effective than
classroom learning?
A. Online courses are cheaper
B. Students in online courses are more motivated
C. Dropout rates are higher in online programs
D. Technology improves learning access
Answer: C
Higher dropout rates suggest online education may not be more
effective.
,Question 5
All mammals are warm-blooded. Some warm-blooded animals live in
water. Which must be true?
A. Some mammals live in water
B. All mammals live in water
C. Some warm-blooded animals are mammals
D. No mammals live in water
Answer: C
Since all mammals are warm-blooded, and some warm-blooded
animals exist, some must be mammals.
Question 6
A study shows coffee improves memory. Which weakens this
conclusion?
A. Coffee is widely consumed
B. Participants were also given sugar
C. Memory tests were conducted in the morning
D. Coffee tastes bitter
Answer: B
Sugar could be the factor affecting memory, not coffee.
Question 7
If no athletes are lazy and some students are athletes, which is true?
A. Some students are not lazy
B. All students are athletes
, C. No students are lazy
D. Some lazy people are students
Answer: A
Students who are athletes cannot be lazy, so some students are not lazy.
Question 8
The argument: “Prices increased, so demand must have increased.”
What is flawed?
A. Assumes supply stayed constant
B. Confuses correlation with causation
C. Ignores inflation
D. Assumes demand causes prices
Answer: B
Price increase does not necessarily indicate demand increase.
Question 9
Which strengthens: “Exercise improves productivity”?
A. Some people dislike exercise
B. Exercising employees report higher focus
C. Exercise is time-consuming
D. Not all workers exercise
Answer: B
Direct link between exercise and improved focus supports the claim.
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
Question 1
Which of the following most weakens the argument that increasing
study hours always improves test performance?
A. Some students prefer studying in groups
B. Test performance depends on study quality, not just hours
C. Longer study hours reduce sleep time
D. Many students study late at night
Answer: B
Study effectiveness depends on quality, not duration, undermining the
assumption that more hours automatically improve performance.
Question 2
If all lawyers are licensed professionals and some licensed professionals
are judges, which must be true?
A. All judges are lawyers
B. Some lawyers are judges
C. Some licensed professionals are not lawyers
D. No lawyers are judges
Answer: C
Since only some licensed professionals are judges and all lawyers are a
,subset of licensed professionals, some licensed professionals are not
lawyers.
Question 3
A city reduces speed limits and reports fewer accidents. What
assumption is required?
A. Drivers obeyed the new speed limits
B. Weather remained constant
C. Cars became safer
D. Traffic increased
Answer: A
The conclusion depends on drivers actually following the reduced speed
limits.
Question 4
Which weakens the claim that online education is more effective than
classroom learning?
A. Online courses are cheaper
B. Students in online courses are more motivated
C. Dropout rates are higher in online programs
D. Technology improves learning access
Answer: C
Higher dropout rates suggest online education may not be more
effective.
,Question 5
All mammals are warm-blooded. Some warm-blooded animals live in
water. Which must be true?
A. Some mammals live in water
B. All mammals live in water
C. Some warm-blooded animals are mammals
D. No mammals live in water
Answer: C
Since all mammals are warm-blooded, and some warm-blooded
animals exist, some must be mammals.
Question 6
A study shows coffee improves memory. Which weakens this
conclusion?
A. Coffee is widely consumed
B. Participants were also given sugar
C. Memory tests were conducted in the morning
D. Coffee tastes bitter
Answer: B
Sugar could be the factor affecting memory, not coffee.
Question 7
If no athletes are lazy and some students are athletes, which is true?
A. Some students are not lazy
B. All students are athletes
, C. No students are lazy
D. Some lazy people are students
Answer: A
Students who are athletes cannot be lazy, so some students are not lazy.
Question 8
The argument: “Prices increased, so demand must have increased.”
What is flawed?
A. Assumes supply stayed constant
B. Confuses correlation with causation
C. Ignores inflation
D. Assumes demand causes prices
Answer: B
Price increase does not necessarily indicate demand increase.
Question 9
Which strengthens: “Exercise improves productivity”?
A. Some people dislike exercise
B. Exercising employees report higher focus
C. Exercise is time-consuming
D. Not all workers exercise
Answer: B
Direct link between exercise and improved focus supports the claim.
