Critical Reasoning Test

Ace Logical Reasoning: Test-Prep Practice Questions

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Logical Reasoning Practice Questions

Welcome to our comprehensive collection of stimulus-style practice questions! These questions are designed to sharpen your critical thinking, logical reasoning, and analytical skills. These abilities are crucial for success in many standardized tests. Our carefully crafted questions mirror the format found in prestigious exams like the LSAT, GMAT, and GRE, as well as in many other exams.

Each question presents a brief “stimulus” – a short paragraph containing an argument, scenario, or set of facts – followed by a question and multiple-choice answers. These exercises will challenge you to analyze complex information, identify logical flaws, draw valid conclusions, and evaluate arguments.

 

1. All students who excel in math also excel in science. Some students who excel in science also excel in literature. Which of the following conclusions can be logically drawn from these premises?
All students who excel in math also excel in literature
Some students who excel in math also excel in literature
No students who excel in math excel in literature
All students who excel in literature also excel in science
2. All roses are flowers. Some flowers are red. Which of the following conclusions can be logically drawn from these premises?
All roses are red
Some roses are red
No roses are red
None of the above
3. A nutritionist argues that consuming a plant-based diet reduces the risk of certain chronic diseases. Which of the following, if true, would most strengthen this argument?
People who follow plant-based diets tend to exercise more regularly
Plant-based diets are typically lower in saturated fats and higher in fiber
Many professional athletes have adopted plant-based diets
Plant-based diets are becoming increasingly popular among young people
4. A technology company claims that its new smartphone app can improve users' productivity. In a trial, users reported completing more tasks when using the app. Which of the following is an assumption underlying the company's claim?
The users in the trial were representative of the general population
The increase in completed tasks was due to the app and not other factors
The effects of the app are consistent across different types of tasks
The app works equally well on all smartphone operating systems
5. A company's sales increased by 25% after it reduced its prices by 10%. The sales manager concludes that lowering prices always leads to increased sales. Which of the following best describes the logical flaw in this argument?
Hasty generalization
False dichotomy
Circular reasoning
Ad hominem fallacy
6. An economist argues that raising the retirement age will help solve the problem of underfunded pension systems. Which of the following, if true, would most strengthen this argument?
People are living longer and healthier lives than in previous generations
Many people prefer to continue working past the current retirement age
Raising the retirement age would significantly reduce the strain on pension funds
Other countries have successfully implemented higher retirement ages
7. A company's sales have been declining for the past three years. The CEO proposes to increase advertising spending to boost sales. Which of the following, if true, would most weaken the CEO's proposal?
The company's competitors have also experienced declining sales
The company's product quality has deteriorated over the past three years
The company's advertising campaigns have won several awards for creativity
The company's market share has remained stable despite the sales decline
8. Researcher: Studies show that people who eat a diet high in fruits and vegetables have a lower risk of heart disease. Therefore, eating more fruits and vegetables will reduce your risk of heart disease. Which of the following is an assumption on which the researcher's conclusion depends?
All people who have a low risk of heart disease eat a diet high in fruits and vegetables
There are no other factors that could account for the lower risk of heart disease in people who eat more fruits and vegetables
People who eat more fruits and vegetables do not engage in other healthy behaviors that could reduce their risk of heart disease
Fruits and vegetables are the only foods that can reduce the risk of heart disease
9. A company claims its new app helps users learn languages faster. In a study, users of the app showed improved language skills after three months. Which of the following, if true, would most strengthen the company's claim?
The study included a control group that used traditional learning methods
Users of the app reported enjoying the learning process more
The app uses artificial intelligence to personalize lessons
Some users dropped out of the study before its completion
10. A company decides to offer a work-from-home option to improve employee retention. Which of the following, if true, would most weaken the effectiveness of this decision?
The company's main competitors already offer work-from-home options
Employees who work from home report feeling more isolated and disconnected from their teams
The company's office space costs will decrease with more employees working from home
Work-from-home policies have been shown to increase productivity in some industries
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These questions assess critical thinking, logical reasoning, and analytical skills. Here’s a list of some exams that typically include such questions:

LSAT (Law School Admission Test)
GMAT (Graduate Management Admission Test)
GRE (Graduate Record Examinations)
MCAT (Medical College Admission Test)
SAT (Scholastic Assessment Test)
ACT (American College Testing)
Critical Thinking Assessment Test (CAT)
Watson-Glaser Critical Thinking Appraisal
California Critical Thinking Skills Test (CCTST)
CLA+ (Collegiate Learning Assessment)
California Bar Exam’s performance test section
Certain civil service exams
Some corporate hiring assessments

These exams use stimulus-based questions to evaluate a candidate’s ability to analyze information, identify logical flaws, draw valid conclusions, and evaluate arguments. The questions present a short paragraph or scenario followed by a question and multiple-choice answers.