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. A company's employee satisfaction survey showed that 80% of employees are satisfied with their jobs. The HR director concludes that the company has a positive work environment. Which of the following, if true, would most weaken the HR director's conclusion?
The survey was anonymous and voluntary
Only 30% of employees participated in the survey
The company's turnover rate is higher than the industry average
Employee satisfaction has increased by 5% compared to last year
2. A study found that countries with higher chocolate consumption have more Nobel Prize winners per capita. Therefore, eating more chocolate increases a person's chances of winning a Nobel Prize. Which of the following best describes the flaw in this reasoning?
It assumes correlation implies causation
It generalizes from group data to individuals
It ignores other factors that might influence Nobel Prize winners
It fails to consider the quality of the chocolate consumed
3. All dolphins are mammals. All mammals breathe air. Therefore, all creatures that breathe air are dolphins. Which of the following best describes the logical flaw in this argument?
False dichotomy
Circular reasoning
Hasty generalization
Fallacy of the converse
4. A company's sales increased by 10% in the second quarter compared to the first quarter. However, its profits decreased by 5% over the same period. Which of the following is the most logical explanation for this situation?
The company lowered its prices
The company hired more employees
The company's marketing expenses increased
The cost of raw materials decreased
5. City A has implemented a new traffic management system, resulting in a 30% reduction in average commute times. City B is considering implementing the same system. Which of the following, if true, would most weaken the argument that City B should expect similar results?
City A has a larger population than City B
City B already has more efficient public transportation than City A
The traffic patterns in City A and City B are significantly different
The cost of implementing the system in City B would be higher
6. A nutritionist claims that consuming probiotics improves digestive health. In a study, participants who took probiotic supplements reported fewer digestive issues. Which of the following, if true, would most weaken the nutritionist's claim?
The study was funded by a company that produces probiotic supplements
Some participants in the study also made dietary changes during the trial period
The placebo group in the study also reported improvements in digestive health
Probiotic supplements can cause mild side effects in some people
7. All A are B. Some C are not B. Therefore:
All A are C
No A are C
Some A are not C
None of the above
8. In a survey of 1000 people, 45% said they exercise regularly. Of those who exercise regularly, 60% reported feeling less stressed. Based on this information, what percentage of the total survey participants both exercise regularly and report feeling less stressed?
27%
33%
45%
60%
9. A restaurant decides to offer a money-back guarantee to attract more customers. Which of the following, if true, would most strengthen the effectiveness of this decision?
The restaurant's food quality is consistently high
Few customers have requested refunds at restaurants with similar guarantees
The guarantee will be prominently featured in the restaurant's advertising
The restaurant's prices are higher than average for the area
10. A study found that students who participate in extracurricular activities have higher grades. Therefore, schools should require all students to participate in extracurricular activities to improve academic performance. Which of the following is an assumption underlying this argument?
All extracurricular activities have the same effect on academic performance
The relationship between extracurricular activities and grades is causal
Students who don't participate in extracurricular activities have lower grades
Mandatory participation would yield the same benefits as voluntary participation
Questions Answered: 0/10

 

 

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.