Logical Reasoning

PrepTest 11 Section 4 Explanations

PrepTest 11 Section 4 is a Logical Reasoning section with 24 questions. It covers Flaw, Method, 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

Megatrash Co., the country’s largest waste-disposal

EasyParadox

Question 2

Lewis: Those who do not learn

HardMethod

Question 3

A group of scientists

EasyFlaw

Question 4

Cooking teacher: Lima beans generally

EasyMost Supported

Question 5

Large quantities of lead dust

EasyWeaken

Question 6

Large quantities of lead dust

EasyPrinciple-Strengthen

Question 7

The scientific theory of evolution

EasyNecessary Assumption

Question 8

That long-term cigarette smoking

EasyMain Conclusion

Question 9

That long‐term cigarette smoking

EasyFlaw

Question 10

Lydia: Each year, thousands of seabirds

HardMethod

Question 11

Logging industry official: Harvesting trees

HardWeaken

Question 12

A survey of a group of people

EasyMethod

Question 13

There are tests to detect

EasyNecessary Assumption

Question 14

In the 1960s paranoia

EasyMost Supported

Question 15

A certain experimental fungicide

HardNecessary Assumption

Question 16

When glass products are made

HardMust be True

Question 17

Teacher: Journalists who conceal the identity

HardFlaw

Question 18

Teacher: Journalists who conceal the identity

HardStrengthen

Question 19

The proposal to extend clinical trials

HardFlaw

Question 20

If the majority of the residents

MediumParallel Flaw

Question 21

When the supply of a given resource

HardWeaken

Question 22

Paulsville and Longtown cannot both be

HardParallel

Question 23

A study of adults who suffer

MediumFlaw

Question 24

Mainstream economic theory holds that manufacturers

HardRole