Logical Reasoning
PrepTest 108 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:
Despite the best efforts of journalists …Necessary Assumption – EXCEPT
It's crucial that editors review journalists' work to detect and remove biases, in order to make reporting as objective as possible.
- Q2:
Astronomer: Mount Shalko is the perfect site …Weaken
Mount Shalko is the perfect location for the observatory.
- Q3:
The local fair held its annual photography contest …Paradox – EXCEPT
Both amateurs and professionals entered the contest.
- Q4:
The average 40-year-old North American …Sufficient Assumption
TV ads have influenced North American habits of thought.
- Q5:
Researchers have developed a membrane …Flawed Reasoning
Oxygen-removing fridges will be way less expensive than current models long-term.
- Q6:
Shortly after the power plant opened …Paradox – EXCEPT
- Q7:
The existing works of ancient literature …Strengthen
The surviving ancient works aren't the most original works produced in ancient times.
- Q8:
A metaphor is the application of a word or phrase …Identify the Conclusion
Not all uses of language are metaphorical.
- Q9:
In a recent poll of chief executive officers …Flawed Reasoning
Top management of large corporations are not indifferent to employees.
- Q10:
Many people joke about Friday the thirteenth …Weaken
A lot of people would rather disrupt their travel plans than risk flying on an unlucky day (Friday the 13th).
- Q11:
The everyday behavior of whales …Necessary Assumption
Using trained sea lions with cameras will allow biologists to study whales' everyday behavior.
- Q12:
Geologist: A geological fault in the mountain …Strengthen
We shouldn't put the nuclear waste facility under this mountain until scientists check whether the mountain has geological faults.
- Q13:
Mall manager: By congregating in large groups …Method of Reasoning
- Q14:
Wu: Jurgens is dishonest and so should not be …Flawed Parallel Reasoning
- Q15:
A survey of historians shows that most …Flawed Reasoning
These historians neglect many important sources of historical knowledge.
- Q16:
To act responsibly in one's professional capacity …Principle – Application
- Q17:
Radial keratotomy (RK), a surgery that is designed to …Paradox – EXCEPT
RK is supposed to eliminate needing glasses or contacts.
- Q18:
Chelas and Stelma are required to leave their respective stations …Must Be False
If a prisoner attempts to escape, Chelas and Stelma must leave immediately to pursue.
- Q19:
Faden: Most of our exercise machines …Flawed Reasoning
- Q20:
Sarah: Reporters, by allotting time to some events …Point at Issue
- Q21:
Advertisement for a lactase supplement …Weaken
At least 50 million people in North America should take lactase supplements.
- Q22:
Jim: I hear that the company is considering giving …Principle – Justify
- Q23:
Commentator: A political constitution that provides …Most Strongly Supported
Constitutions have to be interpreted to deal with new situations.
- Q24:
Only if a family manages its finances wisely …Parallel Reasoning
(A or C) → (B or D)
The conclusion simply combines the two sufficient conditions and the two necessary conditions with ORs.
- Q25:
Anthropologist: After mapping the complete dominance hierarchy …Method of Reasoning
- Q26:
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