Logical Reasoning

PrepTest 18 Section 2 Explanations

PrepTest 18 Section 2 is a Logical Reasoning section with 24 questions. It covers Method, Flaw, and Weaken questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.

Question 1

Parent 1: Ten years ago

EasyMethod

Question 2

All cattle ranchers dislike long winters.

HardStrengthen

Question 3

Citizen of Mooresville: Mooresville’s current city council

HardMust be True

Question 4

Marianna: The problem of drunk driving

MediumFlaw

Question 5

From a magazine article: Self-confidence

EasyMethod

Question 6

A study was designed to establish

MediumWeaken

Question 7

Scientists are sometimes said to assume

HardMethod

Question 8

During the 1980s the homicide rate in Britain

HardFlaw

Question 9

Nutritionist: Vitamins synthesized by chemists

HardNecessary Assumption

Question 10

Most people are indignant at the suggestion

MediumMain Conclusion

Question 11

Since 1945 pesticide use in the United States

EasyParadox

Question 12

In discussing the pros and cons of monetary union

HardMethod

Question 13

Because some student demonstrations

EasyParallel

Question 14

Professor: Members of most species

MediumFlaw

Question 15

Environmentalist: An increased number of oil spills

HardNecessary Assumption

Question 16

Environmentalist: An increased number of oil spills

EasyStrengthen

Question 17

Biographer: Arnold’s belief that every offer

HardParallel Flaw

Question 18

The television documentary went beyond

EasyMost Supported

Question 19

Oxygen-18 is a heavier-than-normal isotope

HardParadox

Question 20

Oxygen-18 is a heavier-than-normal isotope

HardMost Supported

Question 21

It is very difficult to prove today

HardWeaken

Question 22

Much of the best scientific research of today

EasyParadox

Question 23

Teachers are effective only when they help

MediumMust be False

Question 24

Dr. Ruiz: Dr. Smith has expressed outspoken

EasyWeaken