Logical Reasoning
PrepTest 126 Section 4
Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.
Choose a question
Explanations for every question, find them by number or text.
- Q1:
Carl is clearly an incompetent detective. He has solved…Weaken
Carl is clearly an incompetent detective.
- Q2:
It is well documented that people have positive responses…Role in Argument
People's responses to words depend on their sound as well as their meaning.
- Q3:
People with high blood pressure are generally more nervous…Flawed Reasoning
Nervous and anxious people are likely to develop high blood pressure.
- Q4:
In his book, published in 1892, Grey used the same metaphor…Weaken
Grey must have read Jordan's book.
- Q5:
- Q6:
Commentator: In many countries the influence of fringe…Weaken
Existing national cultures are threatened by modern culture.
- Q7:
Packaging is vital to a product's commercial success…Most Strongly Supported
- Q8:
Larew: People in the lowest income quintile had a much…Point at Issue
**DISAGREEMENT:** Larew thinks prosperity is shown by percentage increase, while Mendota thinks it's shown by absolute income gain.
- Q9:
- Q10:
In some countries, national planners have attempted to…Strengthen
The economists conclude that the problem of urbanization could be solved by producing goods and services in exchange for agricultural products from abroad.
- Q11:
Inez: The book we are reading, The Nature of Matterm is mistitled…Most Strongly Supported
Inez thinks the title adequately describes only half of the book.
- Q12:
Politician: Those economists who claim that consumer price…Flawed Reasoning
Consumer prices increased at a greater rate than the 3% average suggested by economists.
- Q13:
Sherrie: Scientists now agree that nicotine in tobacco…Point at Issue
Sherrie says that because tobacco is addictive, tobacco products should be restricted.
- Q14:
In 1963, a young macaque monkey was observed venturing…Necessary Assumption
The new behavior of the macaques was a result of learned social behavior and not genetics.
- Q15:
Technological innovation rarely serves the interests of society…Flawed Reasoning
Technological innovation rarely serves the interests of society as a whole.
- Q16:
There are two kinds of horror stories: those that describe…Must be True
There are two kinds of horror stories:
1.
- Q17:
Politician: Some of my opponents have argued on theoretical…Flaw
The politician claims it is unwarranted to reduce social expenditure.
- Q18:
While it is true that bees' vision is well suited to the task…Strengthen
Flowers evolved to match the vision of bees, rather than the other way around.
- Q19:
Professor: It has been argued that freedom of thought is…Sufficient Assumption
Freedom of thought is not a precondition for intellectual progress.
- Q20:
People who have specialized knowledge about a scientific…Weaken
Trial by jury is not appropriate where a scientific or technical matter is at issue.
- Q21:
- Q22:
Radio airplay restrictions are naturally imposed regulations…Parallel Reasoning
**ARGUMENT STRUCTURE**: We're told that radio restrictions fall under a certain category (national regulations). The City Club includes everything in that category, except for labor and tax laws. Lastly, radio restrictions are not related to labor or tax laws, so therefore they are included in the City Club guide.
- Q23:
Physics professor: Some scientists claim that superheated…Sufficient Assumption
Superheated plasma with failed electrical resistance is never a factor in causing ball lightning.
- Q24:
Advertisement: Our oat bran cereal is the only one that…Flawed Parallel Reasoning
The health claims on the package are accurate
- Q25:
A study of 86 patients, all of whom suffered from disease T…Weaken
Support therapy does not help patients with disease T live longer.
- Q26:
Astronomer: I have asserted that our solar system does not…Flawed Reasoning
The astronomer's thesis is correct.
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