LSAT Mixed Practice Questions Set 5 Practice Questions with Answers

Concept Explanation

LSAT Mixed Practice Questions Set 5 refers to a diverse collection of problems encompassing Logical Reasoning, Reading Comprehension, and Analytical Reasoning designed to simulate the varied cognitive demands of the Law School Admission Test. These sets require test-takers to pivot quickly between identifying logical fallacies, extracting nuanced themes from dense legal or scientific texts, and organizing complex spatial relationships. Success on the LSAT Prep journey depends on a student's ability to maintain high accuracy while under strict time constraints, a skill best honed through exposure to mixed question formats. By integrating different section types into a single study session, learners improve their mental agility and reduce the fatigue often experienced during the actual four-section exam.

Solved Examples

1. Logical Reasoning: Flaw in the Reasoning
   Argument: Most people who exercise daily report feeling more energetic. Therefore, if John starts exercising daily, he will definitely feel more energetic.
   Step-by-Step Solution:
   1. Identify the premise: "Most people who exercise daily report feeling more energetic." Note the quantifier "most," which implies a high probability but not a universal truth.
   2. Identify the conclusion: "If John starts exercising daily, he will definitely feel more energetic." Note the word "definitely."
   3. Analyze the gap: The argument moves from a probabilistic premise (most) to a certain conclusion (definitely).
   4. Conclusion: The flaw is that what is true for a majority is not necessarily true for every specific individual.
2. Analytical Reasoning: Linear Ordering
   Scenario: Seven runners (P, Q, R, S, T, U, V) finish a race. R finishes before T. S finishes exactly two spots behind R. U finishes last.
   Step-by-Step Solution:
   1. Represent the constraints: $R < T$, $R \_ S$ (meaning $R$ is in spot $n$ and $S$ is in $n+2$), and $U = 7$.
   2. Combine constraints: If $R$ is at 1, $S$ is at 3. If $R$ is at 4, $S$ is at 6.
   3. Test possibilities: If $R$ were at 5, $S$ would be at 7, but $U$ is already at 7. Therefore, $R$ cannot be later than position 4.
   4. Final Deduction: The block $R-x-S$ must occupy spots 1-3, 2-4, 3-5, or 4-6.
3. Reading Comprehension: Main Point
   Passage Excerpt: While many historians argue that the industrial revolution was driven solely by technological innovation, recent evidence suggests that shifting labor laws played an equally vital role in facilitating the transition to factory-based production.
   Step-by-Step Solution:
   1. Identify the "pivot": The word "While" signals a contrast between a common view and the author's view.
   2. Locate the thesis: The author asserts that labor laws were "equally vital" to innovation.
   3. Synthesize: The main point is that the industrial revolution's causes are more multifaceted than previously thought, specifically including legal frameworks.

Practice Questions

1. Logical Reasoning: All mammals are warm-blooded. Some warm-blooded creatures are birds. Therefore, some mammals are birds. Which of the following most accurately describes the flaw in this argument?

2. Analytical Reasoning: Five books (A, B, C, D, E) are placed on a shelf. A is to the left of B. C is between A and D. E is at the far right. If B is immediately to the left of E, what is the position of D from the left?

3. Logical Reasoning: A study found that 80% of successful entrepreneurs wake up before 6:00 AM. A local columnist concludes that if a person wants to be a successful entrepreneur, they must start waking up before 6:00 AM. This reasoning is most vulnerable to criticism on the grounds that it:

4. Reading Comprehension: A passage discusses the "precautionary principle" in environmental law, which suggests that if an action has a risk of causing harm to the public or the environment, in the absence of scientific consensus, the burden of proof that it is not harmful falls on those taking the action. What is the primary purpose of this principle according to the description?

5. Logical Reasoning: If the museum is open, then the flag is flying. The flag is not flying. Therefore, the museum is not open. This argument is an example of:

6. Analytical Reasoning: In a group of four friends (Kim, Leo, Mo, Nic), Kim is taller than Leo. Mo is shorter than Leo. Nic is taller than Kim. Who is the shortest?

7. Logical Reasoning: Many people believe that drinking coffee causes insomnia. However, a recent survey shows that people who suffer from insomnia drink more coffee than those who do not. Thus, coffee does not cause insomnia; rather, insomnia causes coffee consumption. Which of the following identifies a flaw in the argument?

8. Reading Comprehension: An author argues that the use of DNA profiling in criminal trials should be limited due to the potential for jury members to overvalue statistical evidence. Which of the following would the author most likely agree with?

9. Analytical Reasoning: Six people (1, 2, 3, 4, 5, 6) sit around a circular table. 1 is opposite 4. 2 is next to 1. 3 is opposite 2. If 5 is not next to 3, who is next to 4?

10. Logical Reasoning: Only if the price of gold drops will the jewelry store have a sale. The jewelry store is having a sale. Which of the following must be true?

Answers & Explanations

1. Answer: It assumes that two groups (mammals and birds) must overlap because they both share a common characteristic (being warm-blooded). Explanation: This is a classic fallacy of the undistributed middle. Just because both A and B belong to category C doesn't mean A is B.

2. Answer: 2nd or 3rd. Explanation: Constraints: $A < B$, $A < C < D$ or $D < C < A$, $E = 5$, $B = 4$. Since $A < B$, A must be in 1, 2, or 3. If $A=1$, then $C=2, D=3$. If $D=1$, then $C=2, A=3$.

3. Answer: It confuses a correlation with a causal necessity. Explanation: The fact that successful people share a habit doesn't mean the habit causes the success, nor that it is the only way to achieve success.

4. Answer: To shift the burden of proof to the party proposing a potentially harmful action. Explanation: The passage explicitly states that the burden falls on those taking the action to prove it is not harmful.

5. Answer: Modus Tollens. Explanation: The structure is: If P, then Q. Not Q. Therefore, not P. This is a valid logical form.

6. Answer: Mo. Explanation: Ordering the heights: $\text{Nic} > \text{Kim} > \text{Leo} > \text{Mo}$. Mo is at the bottom of the chain.

7. Answer: It assumes that because two things are correlated, the direction of causation must be the opposite of what is commonly believed, without ruling out a third factor. Explanation: The argument reverses the cause and effect without sufficient evidence to exclude the original theory or a common cause.

8. Answer: Jurors may lack the technical expertise to weigh probabilistic evidence appropriately. Explanation: The author's concern is the "overvaluation" of evidence, implying a misunderstanding of its weight.

9. Answer: 5 and 6. Explanation: 1 is opposite 4. 2 is next to 1. 3 is opposite 2. This leaves spots next to 4 for 5 and 6. Since 5 is not next to 3, and 3 is next to 4, 5 must be on the other side of 4.

10. Answer: The price of gold dropped. Explanation: "Only if P, then Q" means Q requires P. Since the sale (Q) happened, the price drop (P) must have occurred.

Frequently Asked Questions

What makes LSAT Mixed Practice Questions Set 5 different from single-section practice?

Mixed practice sets simulate the actual test day experience by forcing your brain to switch between different logical frameworks and reading styles. This builds the mental stamina required for the full-length GRE Prep or LSAT sessions where context switching is constant.

How should I time myself when working through these mixed questions?

You should aim for an average of 1 minute and 25 seconds per Logical Reasoning question and about 8-9 minutes per Reading Comprehension passage or Logic Game. Using an AI Exam Simulator can help you track these metrics automatically.

Are these questions representative of the current LSAT format?

Yes, these questions mirror the difficulty and structure of the current LSAT, focusing heavily on logical validity, inference, and complex rule-based reasoning. They are designed to align with the standards set by the Law School Admission Council.

Can I use these questions for other exams like the GRE?

While specifically tailored for the LSAT, the logical reasoning and reading comprehension skills overlap significantly with the GRE. Students often find that Hard GRE Practice Questions share similar deductive requirements.

What is the best way to review my mistakes in Set 5?

Don't just look at the correct answer; identify why the wrong answers were tempting and which specific logical flaw you missed. Using a tool like the AI Flashcard Generator can help you drill the specific logical patterns you find most difficult.