Logical Reasoning
PrepTest 121 Section 4 Explanations
PrepTest 121 Section 4 is a Logical Reasoning section with 26 questions. It covers Flaw, Weaken, and Paradox questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.
Question 1
While 65 percent of the
EasyMain Conclusion
Question 2
Sleep research has demonstrated that
EasyStrengthen
Question 3
Since 1989 the importation of ivory
EasyMost Supported
Question 4
My suspicion that there is some
EasyParallel Flaw
Question 5
The best explanation for Mozart’s
MediumRole
Question 6
In the first phase of Industrial
EasyMost Supported
Question 7
For many types of crops,
EasyParadox
Question 8
This stamp is probably highly valuable,
MediumSufficient Assumption
Question 9
A recent study of several
MediumWeaken
Question 10
The proposed coal-burning electric
EasyNecessary Assumption
Question 11
Psychiatrist: While the first appearance
MediumFlaw
Question 12
Some species are called “indicator species”
EasyMain Conclusion
Question 13
Columnist: Tagowa’s testimony in the
HardFlaw
Question 14
A new tax law aimed
EasyMust be True
Question 15
Trustee: The recent exhibit at
MediumFlaw
Question 16
Economist: A tax is effective
MediumPrinciple-Conform
Question 17
A large amount of rainfall
MediumFlaw
Question 18
Leadership depends as much on
MediumMust be False
Question 19
Fifty chronic insomniacs participated in
HardParadox
Question 20
Advertisement: The Country Classic is
EasyWeaken
Question 21
Sociologist: Traditional norms in our
HardSufficient Assumption
Question 22
If there is an election,
MediumParallel
Question 23
Company president: Our consultants report
HardWeaken
Question 24
Many Seychelles warblers of breeding
MediumParadox
Question 25
Therapist: In a recent study,
HardFlaw
Question 26
Researcher: It is commonly believed
HardWeaken