LSAT Domain 3: Logical Reasoning

If all poets are dreamers, and some dreamers are musicians, which of the following must be true?

A study shows that students who study logic improve their problem-solving skills more than those who study arithmetic. However, arithmetic study is more essential for everyday tasks. Which of the following conclusions can be logically drawn?

If a law does not enhance public safety, it should not be enacted. Law X increases administrative burdens without proven safety benefits. Which of the following conclusions follows logically?

Only students who are disciplined and attentive can achieve high grades. Some disciplined students do not achieve high grades. Which of the following must be true?

All items produced by Factory X must pass a quality test. Last month, 20% of its items failed the test. Which of the following can be inferred?

Every member of the book club enjoys either science fiction or mystery novels, but not both. If Sam, a member of the book club, enjoys science fiction, which of the following must be true?

If the premises are true, which of the following conclusions cannot be true? Premises: All cats are animals. Some animals are pets. No pets are wild animals.

In a survey, 90% of respondents said they prefer tea over coffee. If a respondent prefers tea, which of the following conclusions is least supported by the survey results?

If a car is blue, then it must have been painted. A car at the dealership is not blue. Which of the following must be true?

All successful entrepreneurs are risk-takers. No risk-averse person is a successful entrepreneur. Which of the following must be true?

If increasing the price of an item results in fewer sales, decreasing the price will result in more sales. The store has not decreased the price of any item. Which of the following conclusions follows logically?

A new law requires that for a product to be labeled "organic," it must contain 95% organic ingredients. Product X is labeled "organic" but contains 10% non-organic ingredients. Which of the following conclusions is logically supported?

If a government increases taxes on luxury goods, then sales of luxury goods decrease. The government has not increased taxes on luxury goods this year. Which of the following conclusions follows logically?

In a certain town, anyone who owns a car must also own a parking permit. Sara does not own a parking permit. Which of the following must be true?

All members of the debate club are required to participate in at least one debate per month. John has not participated in any debates this month. Which of the following conclusions can be drawn?

If a student studies for more than five hours, they will pass the exam. Alex studied for four hours and did not pass the exam. Which of the following must be true?

Every person who has received the vaccine reports no side effects. Maria reports having side effects. Which of the following conclusions follows logically?

If a plant is watered daily, it grows to its full height. Plant X was not watered daily and did not grow to its full height. Which of the following can be inferred?

In a certain city, every library member has access to online resources. Tom does not have access to online resources. Which of the following must be true?

All products on sale have been discounted by at least 20%. Item Y has not been discounted. Which of the following conclusions is logically supported?

A new policy states that a student must maintain an A average to qualify for the honors program. Jane, who has a B average, argues that she should be admitted based on her extracurricular achievements. Which of the following conclusions follows logically?

All foods containing artificial preservatives are unhealthy. No fruits contain artificial preservatives. Which of the following conclusions can be logically drawn?

If a book receives a literary award, it must be critically acclaimed. "Journey Through the Stars" did not receive a literary award. Which of the following must be true?

All participants in the study who exercised daily showed improved health outcomes. Mark did not show improved health outcomes. Which of the following can be logically inferred?

A certain type of tree blooms only if it receives adequate sunlight. The trees in shaded area X are not blooming. Which of the following conclusions follows logically?

If a vehicle is classified as an SUV, it must have four-wheel drive. Vehicle Y is classified as an SUV. Which of the following must be true?

A law states that for a contract to be valid, it must be signed by both parties. The contract between Company A and Company B was not signed by Company B. Which of the following can be logically inferred?

If a movie is considered a blockbuster, it must have grossed over $100 million. "Epic Adventure" is considered a blockbuster. Which of the following must be true?

In City Z, all public transportation vehicles are equipped with GPS tracking. The bus route 5 in City Z has been experiencing delays. Which of the following conclusions follows logically?

All members of the chess club have won at least one chess match. Tina has never won a chess match. Which of the following can be logically inferred?