Logical Reasoning

PrepTest 1 Section 4 Explanations

PrepTest 1 Section 4 is a Logical Reasoning section with 24 questions. It covers Must be True, Necessary Assumption, and Flaw questions, spanning Easy to Hard difficulty. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.

Question 1

Radioactive waste from nuclear power

Question 2

Only 1,000 to 2,000 species of fruit flies

EasyMust be True

Question 3

In 1860 Bavarian quarry workers

EasyNecessary Assumption

Question 4

State researchers have found that

Question 5

Senator Strongwood reported that

Question 6

The most successful economies

HardMust be True

Question 7

When Cortez arrived in Mexico

MediumNecessary Assumption

Question 8

The Baysville Chamber of Commerce

Question 9

Some people are Montagues

HardMust be True

Question 10

The formation of hurricanes

MediumParallel Flaw

Question 11

It is even more important

EasyMust be True

Question 12

A recent study found that snoring

Question 13

The press reports on political campaigns

MediumNecessary Assumption

Question 14

The press reports on political campaigns

EasyMust be True

Question 15

Studies of brain lateralization in animals

Question 16

Professor: If both parents have type O

Question 17

A recent survey of brand preferences

Question 18

Several cosmetics firms are committed

EasyMost Supported

Question 19

Can any research be found

MediumMain Conclusion

Question 20

In order to advance her point

Question 21

A society in which there are many crimes

HardMust be True

Question 22

A fourteen-year study of finches

MediumNecessary Assumption

Question 23

Mr. Blatt: Expert consultants

Question 24

Although all contemporary advertising