Logical Reasoning

PrepTest 107 Section 4 Explanations

PrepTest 107 Section 4 is a Logical Reasoning section with 25 questions. It covers Strengthen, 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

Combustion of gasoline in automobile

MediumStrengthen

Question 2

Economist: To the extent that homelessness

MediumRole

Question 3

Physical education should teach

MediumMost Supported

Question 4

An assumption made in the explanation

HardNecessary Assumption

Question 5

The explanation offered by the

MediumNecessary Assumption

Question 6

Some judges complain about statutes

EasyMain Conclusion

Question 7

Conservationist: The population of a certain wildflower

EasyPrinciple-Strengthen

Question 8

Conservationist: The population of a certain wildflower

MediumNecessary Assumption

Question 9

Because of increases in the price

HardWeaken

Question 10

Parents should not necessarily

EasyPrinciple-Conform

Question 11

Sometimes when their trainer gives

MediumStrengthen

Question 12

Editorialist: Drivers with a large

EasyMost Supported

Question 13

The point about which the supervisor

HardAgree/Disagree

Question 14

The plant manager’s argument is

MediumFlaw

Question 15

Ambiguity inspires interpretation.

EasyRole

Question 16

Franklin: It is inconsistent to

EasyAgree/Disagree

Question 17

Studies of the reliability of eyewitness

EasyPrinciple-Conform

Question 18

All actions are motivated by self-interest,

HardFlaw

Question 19

In the decade from the mid-1980s

HardParadox

Question 20

Amphibian populations are declining

HardStrengthen

Question 21

All too many weaklings are also

HardParallel Flaw

Question 22

Critic: Most chorale preludes were

HardMust be False

Question 23

Quasars—celestial objects so far

HardMust be True

Question 24

Medical researcher: As expected,

HardWeaken

Question 25

Formal performance evaluations

EasyFlaw