Logical Reasoning

PrepTest 9 Section 4 Explanations

PrepTest 9 Section 4 is a Logical Reasoning section with 25 questions. It covers Must be True, Necessary Assumption, and Flaw questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.

Question 1

People who accuse the postal service

Question 2

When a study of aspirin’s ability

Question 3

It might seem that an airline

Question 4

Only if the electorate is moral

MediumMust be True

Question 5

Infants younger than six months

Question 6

The economies of some industrialized countries

EasyNecessary Assumption

Question 7

The incidence in Japan

MediumMost Supported

Question 8

A translation invariably reflects

Question 9

Myrna: People should follow diets

Question 10

Myrna: People should follow diets

MediumNecessary Assumption

Question 11

Some critics claim that it is unfair

HardPrinciple-Conform

Question 12

Some accountants calculate with simple adding machines

EasySufficient Assumption

Question 13

This summer, Jennifer, who has worked

MediumMust be True

Question 14

A careful review of hospital fatalities

Question 15

New types of washing machines

Question 16

G: The group of works

MediumMust be True

Question 17

G: The group of works

Question 18

Marcus: For most ethical dilemmas

MediumMain Conclusion

Question 19

Marcus: For most ethical dilemmas

HardNecessary Assumption

Question 20

Of every 100 burglar alarms

Question 21

Of every 100 burglar alarms

EasyPrinciple-Strengthen

Question 22

When butterfat was considered nutritious

Question 23

Farm animals have certain behavioral tendencies

EasyMust be True

Question 24

It now seems clear

EasyParallel Flaw

Question 25

Scientists attempting to replicate

EasyNecessary Assumption