Logical Reasoning

PrepTest 139 Section 4 Explanations

PrepTest 139 Section 4 is a Logical Reasoning section with 25 questions. It covers Flaw, Weaken, and Main Conclusion questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.

Question 1

Scientists generally believe that

EasyMain Conclusion

Question 2

For house painting, acrylic paints

EasyMost Supported

Question 3

Letter to the editor: You have

Question 4

Statistical records of crime rates

Question 5

Physiologist: The likelihood of developing

Question 6

A first-term board member

EasyPrinciple-Conform

Question 7

Most respondents to a magazine survey

Question 8

To qualify as a medical specialist

MediumNecessary Assumption

Question 9

Archaeologists are currently analyzing

HardMost Supported

Question 10

In a test of fuel efficiency

Question 11

Plumb-Ace advertises

Question 12

Historian: The early Egyptian pharaohs

Question 13

The proposed change to the patent system

EasySufficient Assumption

Question 14

Every time people get what

HardParallel Flaw

Question 15

Linguist: You philosophers say

Question 16

Salespeople always steer customers

Question 17

Because no other theory

HardPrinciple-Strengthen

Question 18

Computer store manager: Last year

Question 19

Professor: Economists argue

Question 20

Unusually large and intense

HardMust be True

Question 21

If Skiff's book is published

HardSufficient Assumption

Question 22

If the magazine's circulation

Question 23

Botanist: In an experiment

Question 24

Parents who consistently laud

EasyMain Conclusion

Question 25

Pauline: Some environmentalists claim

MediumAgree/Disagree