LSAT Law School Admission Test Exam
Preparation 2026/2027 – Questions
and Answers | 100% Verified |
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QUESTION 1 (Necessary Assumption)
Stimulus:
"All successful businesses adapt to changing consumer
preferences. Therefore, any business that fails to conduct regular
market research cannot be successful."
Which one of the following is an assumption required by the
argument?
A) Conducting regular market research guarantees that a business
will adapt to changing consumer preferences.
B) A business that adapts to changing consumer preferences will
necessarily conduct regular market research.
C) Some businesses that conduct regular market research still fail.
D) Market research is the only way to identify changing consumer
preferences.
,E) Failing to adapt to consumer preferences is the sole cause of
business failure.
✅ Correct Answer: B
Explanation: The argument links success → adapt and then
says no research → not successful. To get there, it must
assume adapt → research (or its contrapositive: no research → no
adapt). B states that adapting requires research, which is exactly
the missing bridge.
QUESTION 2 (Flaw)
Stimulus:
"Mayor: We should build the new stadium because most residents
who attended the town hall meeting supported it. Clearly, the
majority of all residents are in favor."
The reasoning is flawed because the mayor fails to consider
that:
A) Town hall attendees may not be representative of all residents.
B) The stadium might be too expensive.
C) Some attendees who supported it may change their minds
later.
D) The meeting was held on a weekday when many residents
work.
E) Both A and D.
✅ Correct Answer: E
Explanation: The flaw is a sample bias. The attendees are self-
,selected and may not reflect the broader population. Both A and
D point to this issue, making E the best answer.
QUESTION 3 (Strengthen)
Stimulus:
"Studies show that people who drink green tea daily have lower
rates of heart disease. Therefore, drinking green tea prevents
heart disease."
Which of the following, if true, most strengthens the
argument?
A) Green tea drinkers also tend to exercise more and eat healthier
diets.
B) The study controlled for diet and exercise and still found a
significant correlation.
C) Heart disease rates have declined overall in the past decade.
D) Some people who drink green tea still develop heart disease.
E) Black tea does not show the same correlation.
✅ Correct Answer: B
Explanation: The argument's weakness is correlation ≠ causation.
B strengthens by ruling out alternative explanations
(diet/exercise), making it more likely that green tea itself is
protective.
, QUESTION 4 (Weaken)
Stimulus:
"Last year, our company introduced a new customer service
training program. Since then, customer satisfaction scores have
increased by 15%. Therefore, the training program caused the
increase."
Which of the following, if true, most weakens the argument?
A) The training program was expensive to implement.
B) The company also launched a new product line that customers
love.
C) Customer satisfaction scores were already increasing before the
training.
D) Employees reported that the training was helpful.
E) Competitors also saw satisfaction increases last year.
✅ Correct Answer: C
Explanation: If scores were already rising before the training, the
training may not have caused the increase. C provides a pre-
existing trend, undermining causality.
QUESTION 5 (Must Be True)
Stimulus:
"All lawyers are highly educated. Some highly educated people
are also artists. No artists are bankers."
Which of the following must be true?
Preparation 2026/2027 – Questions
and Answers | 100% Verified |
Complete Verified Answers – Pass
Guaranteed – Already Graded A+|
Instant download pdf
QUESTION 1 (Necessary Assumption)
Stimulus:
"All successful businesses adapt to changing consumer
preferences. Therefore, any business that fails to conduct regular
market research cannot be successful."
Which one of the following is an assumption required by the
argument?
A) Conducting regular market research guarantees that a business
will adapt to changing consumer preferences.
B) A business that adapts to changing consumer preferences will
necessarily conduct regular market research.
C) Some businesses that conduct regular market research still fail.
D) Market research is the only way to identify changing consumer
preferences.
,E) Failing to adapt to consumer preferences is the sole cause of
business failure.
✅ Correct Answer: B
Explanation: The argument links success → adapt and then
says no research → not successful. To get there, it must
assume adapt → research (or its contrapositive: no research → no
adapt). B states that adapting requires research, which is exactly
the missing bridge.
QUESTION 2 (Flaw)
Stimulus:
"Mayor: We should build the new stadium because most residents
who attended the town hall meeting supported it. Clearly, the
majority of all residents are in favor."
The reasoning is flawed because the mayor fails to consider
that:
A) Town hall attendees may not be representative of all residents.
B) The stadium might be too expensive.
C) Some attendees who supported it may change their minds
later.
D) The meeting was held on a weekday when many residents
work.
E) Both A and D.
✅ Correct Answer: E
Explanation: The flaw is a sample bias. The attendees are self-
,selected and may not reflect the broader population. Both A and
D point to this issue, making E the best answer.
QUESTION 3 (Strengthen)
Stimulus:
"Studies show that people who drink green tea daily have lower
rates of heart disease. Therefore, drinking green tea prevents
heart disease."
Which of the following, if true, most strengthens the
argument?
A) Green tea drinkers also tend to exercise more and eat healthier
diets.
B) The study controlled for diet and exercise and still found a
significant correlation.
C) Heart disease rates have declined overall in the past decade.
D) Some people who drink green tea still develop heart disease.
E) Black tea does not show the same correlation.
✅ Correct Answer: B
Explanation: The argument's weakness is correlation ≠ causation.
B strengthens by ruling out alternative explanations
(diet/exercise), making it more likely that green tea itself is
protective.
, QUESTION 4 (Weaken)
Stimulus:
"Last year, our company introduced a new customer service
training program. Since then, customer satisfaction scores have
increased by 15%. Therefore, the training program caused the
increase."
Which of the following, if true, most weakens the argument?
A) The training program was expensive to implement.
B) The company also launched a new product line that customers
love.
C) Customer satisfaction scores were already increasing before the
training.
D) Employees reported that the training was helpful.
E) Competitors also saw satisfaction increases last year.
✅ Correct Answer: C
Explanation: If scores were already rising before the training, the
training may not have caused the increase. C provides a pre-
existing trend, undermining causality.
QUESTION 5 (Must Be True)
Stimulus:
"All lawyers are highly educated. Some highly educated people
are also artists. No artists are bankers."
Which of the following must be true?
