Logical Reasoning
PrepTest 128 Section 3
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:
In a transportation company, a certain syndrome …Strengthen
The work in Department F is more stressful than other departments.
- Q2:
Because metallic mirrors absorb some light …Identify the Conclusion
Metallic mirrors can’t be used when minimizing energy loss is important.
- Q3:
If Patricia eats a heavy, spicy meal tonight …Parallel Reasoning
If Patricia eats a heavy and spicy meal tonight, she’ll be grouchy tomorrow morning.
- Q4:
Huang: Most people who commit violent crimes do not …Point At Issue
- Q5:
Those who participate in risky sports often do so to …Weaken
Confronting fears increases self-confidence.
- Q6:
Melchior: Some studies have linked infants’ consumption of …Flawed Reasoning
Parents should feed cow’s milk formula to their infants.
- Q7:
In an attempt to create brand loyalties, television advertisers …Weaken
In the future, TV ads should target consumers over 65 instead of young adults.
- Q8:
It is widely accepted that because democratic politics …Method of Reasoning
A democratic society should refrain from controlling its citizens’ clothing and grooming.
- Q9:
A television commercial argued as follows …Method of Reasoning
One should use the advertised product.
- Q10:
Biologists often announce that a certain kind of animal …Method of Reasoning
All animals use tools so the biologists’ announcements are unsurprising.
- Q11:
Literary critic: Samuel Johnson argued that writers should …Sufficient Assumption
Works of fiction would be unrealistic if writers listened to Johnson.
- Q12:
Clothes dryers manufactured by Archway Appliances Inc. are …Flawed Reasoning
Archway Appliances uses bad components in its dryers.
- Q13:
- Q14:
Forty to 60 percent of students report, in anonymous surveys …Flawed Reasoning
Reducing academic plagiarism will lead to a reduction of professional misconduct.
- Q15:
The number of deer living in North America has increased …Paradox
Despite the increase of factors we’d expect to reduce the population of deer, the number of deer has actually dramatically increased.
- Q16:
The primary task of a university is to educate …Identify the Conclusion
A lack of funding negatively impacts a university’s ability to educate.
- Q17:
Environmentalist: The United Kingdom recently instituted …Necessary Assumption
Other countries should not require labeling of genetically altered foods.
- Q18:
Education critics’ contention that the use of calculators …Flawed Reasoning
The claim that using calculators will undermine students’ understanding of mathematical procedures is false.
- Q19:
Scott: The Hippocratic oath demands, specifically, that …Principle – Justify
- Q20:
Professor Gandolf says that all political systems that aim …Necessary Assumption
Professor Gandolf’s principle (all political systems that aim at preventing conflict are legitimate) must be false.
- Q21:
Musicologist: Ludwig van Beethoven began losing his hearing …Most Strongly Supported
Beethoven’s hearing loss gave his later music a great introspective quality.
- Q22:
Critic: Historians purport to discover the patterns inherent …Necessary Assumption
Histories reveal more about the presuppositions of historians than about what actually happened in historical events.
- Q23:
Councillor Miller opposes all proposals to raise taxes …Flawed Parallel Reasoning
Miller will oppose the proposal to increase school funding by raising property taxes, while Philopoulos will support it.
- Q24:
Historian: The revolutionary party has been accused …Flawed Reasoning
The revolutionary party was not overambitious and caused no suffering.
- Q25:
Although withholding information from someone who would find …Necessary Assumption
Jane should inform Jason that his supervisor is displeased with his work.
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