Logical Reasoning

PrepTest 18 Section 4 Explanations

PrepTest 18 Section 4 is a Logical Reasoning section with 25 questions. It covers Flaw, Strengthen, 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

Biotechnology companies say that voluntary

Question 2

Zoo director: The city is in a financial crisis

EasyMain Conclusion

Question 3

A cat will not be affectionate toward people

EasyParallel Flaw

Question 4

Until recently, anthropologists generally agreed

Question 5

The ends of modern centuries have been

MediumStrengthen

Question 6

People who listen to certain recordings

HardMust be True

Question 7

Advertisement: Over 80 percent of the people

Question 8

In Malsenia sales of classical records are soaring

HardNecessary Assumption

Question 9

Brain scans of people exposed

Question 10

Almost all of the books published

HardMust be True

Question 11

Civil libertarian: The categorical prohibition

Question 12

Although most species of nondomestic

HardSufficient Assumption

Question 13

I. Room air conditioners produced

Question 14

In 1980 there was growing concern

Question 15

Goodbody, Inc., is in the process of finding

Question 16

Dr. Kim: Electronic fetal monitors

EasyPrinciple-Strengthen

Question 17

Dr. Kim: Electronic fetal monitors

Question 18

Professor Hartley’s new book on moral philosophy

HardNecessary Assumption

Question 19

People who receive unsolicited advice

HardPrinciple-Conform

Question 20

Last year the county park system failed

Question 21

Jane: Professor Harper’s ideas for modifying

Question 22

Doctors in Britain have long suspected

HardNecessary Assumption

Question 23

Doctors in Britain have long suspected

Question 24

The only fossilized bones of large prey found

EasyMost Supported

Question 25

George: A well-known educator claims