Logical Reasoning

PrepTest 150 Section 2 Explanations

PrepTest 150 Section 2 is a Logical Reasoning section with 25 questions. It covers Flaw, Necessary Assumption, and Must be True questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.

Question 1

Philosopher: I have been told

Question 2

Ancient humans in eastern North America

EasyNecessary Assumption

Question 3

Durham: The mayor will agree

EasyAgree/Disagree

Question 4

When politicians describe their opponents' positions

Question 5

Lawyer: In a risky surgical procedure

MediumPrinciple-Strengthen

Question 6

John's literature professor believes

MediumMust be True

Question 7

Geothermal power plants produce power

MediumStrengthen

Question 8

One should not confuse a desire for money

Question 9

Yu: The menu at Jason’s Restaurant

Question 10

Various studies have concluded

MediumMost Supported

Question 11

Psychologists have found that candidates

Question 12

Scientist: Some pundits claim

EasyNecessary Assumption

Question 13

Scientist: It seems likely

MediumStrengthen

Question 14

The arousal of anger

HardSufficient Assumption

Question 15

Children clearly have a reasonably

EasyMain Conclusion

Question 16

Environment minister: Many countries have signed

MediumPrinciple-Strengthen

Question 17

Advocate: A study of people

Question 18

Some people prefer to avoid facing

EasyMost Supported

Question 19

If you study history

HardParallel Flaw

Question 20

A philosophical paradox

MediumMust be True

Question 21

A chimp who displays feelings of affection

HardNecessary Assumption

Question 22

The writers of the television show Ambitions

Question 23

It has been argued that the immense size

Question 24

Legal theorist: Only two types of theories

HardMust be True

Question 25

Sociologists study folktales