Logical Reasoning

PrepTest 109 Section 3 Explanations

PrepTest 109 Section 3 is a Logical Reasoning section with 25 questions. It covers Flaw, Strengthen, and Necessary Assumption questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.

Question 1

North American eastern white cedars

Question 2

Brewer: All children should be given

Question 3

The most common bird in Stillwater

Question 4

Limited research indicates that therapeutic

Question 5

The radiation absorbed by someone

Question 6

The recent cleaning of frescoes

EasyPrinciple-Strengthen

Question 7

Unlike newspapers in the old days,

Question 8

Most people invest in the

HardMust be True

Question 9

At some point in any

MediumStrengthen

Question 10

The importance of the ozone

EasyMost Supported

Question 11

Some people claim that the

EasyNecessary Assumption

Question 12

Some people claim that the

Question 13

Editorialist: Some people argue that

EasyMost Supported

Question 14

Many people think that the

Question 15

Scientists hoping to understand and

Question 16

Curator: Since ancient times, the

HardNecessary Assumption

Question 17

In a business whose owners

Question 18

Studies have shown that photosynthesis,

HardParallel Flaw

Question 19

Raphaela: Forcing people to help

HardAgree/Disagree

Question 20

Galanin is a protein found

Question 21

Some government economists view their

HardSufficient Assumption

Question 22

If relativity theory is correct,

Question 23

Maria won this year’s local

MediumSufficient Assumption

Question 24

Dietician: “The French Paradox” refers

Question 25

We are in a new

MediumNecessary Assumption