Logical Reasoning

PrepTest 109 Section 4 Explanations

PrepTest 109 Section 4 is a Logical Reasoning section with 26 questions. It covers Flaw, Sufficient 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

Advertisement: Among popular automobiles, Sturdimades

EasyFlaw

Question 2

Faced with a financial crisis,

EasySufficient Assumption

Question 3

Muriel: I admire Favilla’s novels

EasyAgree/Disagree

Question 4

John’s statements commit him to

HardMust be True

Question 5

Astronaut: Any moon, by definition,

MediumSufficient Assumption

Question 6

A worker for a power company trims

EasyParallel Flaw

Question 7

Currently, the city of Grimchester

HardMust be True

Question 8

Early in the development of a new

MediumStrengthen

Question 9

Television news coverage gives

MediumFlaw

Question 10

Critic: Some writers have questioned

HardAgree/Disagree

Question 11

Even though apes are the only nonhuman

EasyNecessary Assumption

Question 12

Most adults in country X consume

MediumMost Supported

Question 13

Politician: The bill that makes

HardSufficient Assumption

Question 14

When soil is plowed in the spring,

HardMost Supported

Question 15

In 1992, there were over 250 rescues

MediumStrengthen

Question 16

The familiar slogan “survival of

MediumNecessary Assumption

Question 17

Council member: The preservation

HardParadox

Question 18

Coach: Our team has often been

HardFlaw

Question 19

Speaker: Contemporary business

HardWeaken

Question 20

It would be wrong to conclude that

HardParallel

Question 21

Terry: Some actions considered

MediumFlaw

Question 22

Dinosaur expert: Some paleontologists

HardNecessary Assumption

Question 23

The spokesperson proceeds by

EasyMethod

Question 24

Party spokesperson: The opposition party's

HardWeaken

Question 25

Essayist: Every contract negotiator

MediumMust be True

Question 26

A member of the British Parliament

HardWeaken