Logical Reasoning

PrepTest 121 Section 1 Explanations

PrepTest 121 Section 1 is a Logical Reasoning section with 26 questions. It covers Flaw, Strengthen, and Weaken questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.

Question 1

The effort involved in lying

Question 2

Publishing executive: Our company must

Question 3

A recent study proves that at

Question 4

Philosopher: We should not disapprove

MediumPrinciple-Conform

Question 5

Compact discs (CDs) offer an improvement

EasyMain Conclusion

Question 6

The public interest comprises many

MediumMost Supported

Question 7

Enthusiasm for the use of

Question 8

Commentator: Most journalists describe their

MediumMain Conclusion

Question 9

Theories generated by scientific research

EasyPrinciple-Strengthen

Question 10

The administration at a certain

Question 11

Students asked by a psychologist

EasyMost Supported

Question 12

Extinction is inevitable for all

Question 13

Psychology professor: Applied statistics should

Question 14

Among a sample of diverse

HardMust be True

Question 15

There are two supposedly conflicting

MediumNecessary Assumption

Question 16

Most business ethics courses and

MediumStrengthen

Question 17

Some classes of animal are

Question 18

Advocate: You claim that it is wrong

EasyPrinciple-Strengthen

Question 19

Analyst: A recent survey showed

Question 20

Researcher: We have found that

HardNecessary Assumption

Question 21

Catmull: Although historians consider themselves

Question 22

In a poll conducted by

Question 23

Statistical analysis is a common

HardParallel Flaw

Question 24

Journalist: Although a recent poll

Question 25

Almost all microbe species live

MediumSufficient Assumption

Question 26

Reza: Language requires the use

HardMust be True