Logical Reasoning

PrepTest 137 Section 3 Explanations

PrepTest 137 Section 3 is a Logical Reasoning section with 25 questions. It covers Flaw, Principle-Strengthen, and Strengthen questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.

Question 1

A research study revealed

Question 2

A study found that consumers

Question 3

Unless the building permit

EasySufficient Assumption

Question 4

In a study of patients

Question 5

Dogs learn best when they are trained

Question 6

Of the many test pilots

Question 7

Scientist: Any theory that is to be taken seriously

Question 8

Clark: Our local community theater

Question 9

Legal theorist: Governments should not

MediumPrinciple-Strengthen

Question 10

A ring of gas emitting X-rays

EasyMost Supported

Question 11

A mass of

EasyNecessary Assumption

Question 12

Many nurseries sell fruit trees

MediumMust be True

Question 13

Psychologist: Identical twins

Question 14

Human beings can live happily

EasyMost Supported

Question 15

Technologically, it is already possible

MediumMain Conclusion

Question 16

Wildlife management experts

Question 17

Any food that is not sterilized

HardMust be True

Question 18

Activities that pose risks

MediumPrinciple-Conform

Question 19

Ecologist: One theory attributes

Question 20

Principle: One should criticize

HardPrinciple-Strengthen

Question 21

Safety consultant: Judged by the number

Question 22

Consumer advocate: There is no doubt

HardNecessary Assumption

Question 23

A species in which mutations

HardParallel Flaw

Question 24

Music critic: How well an underground

HardPrinciple-Strengthen

Question 25

Graham: The defeat of the world's chess

EasyAgree/Disagree