Logical Reasoning

PrepTest 15 Section 3 Explanations

PrepTest 15 Section 3 is a Logical Reasoning section with 26 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

Those who support the continued reading

MediumMain Conclusion

Question 2

Those who support the continued reading

EasyFlaw

Question 3

Organization president: The stationery and envelopes

MediumNecessary Assumption

Question 4

The frequently expressed view that

EasyMain Conclusion

Question 5

The frequently expressed view that

HardMust be True

Question 6

As far as we know, Earth

MediumStrengthen

Question 7

Politician: Unless our nation redistributes wealth

MediumMust be True

Question 8

Delta green ground beetles sometimes

HardStrengthen

Question 9

Chronic fatigue syndrome, a condition

HardFlaw

Question 10

Consumer advocate: The toy-labeling

HardStrengthen

Question 11

Consumer advocate: The toy-labeling

EasyRole

Question 12

Proponents of organic farming claim

EasyNecessary Assumption

Question 13

Reptiles are air-breathing vertebrates

MediumParallel

Question 14

Although inflated government spending for weapons

MediumFlaw

Question 15

Dr. Godfrey: Now that high school

EasyMethod

Question 16

Dr. Godfrey: Now that high school

EasyEvaluate

Question 17

X: Medical research on animals should not

MediumMethod

Question 18

In experiments in which certain kinds

HardSufficient Assumption

Question 19

Thomas: The club president had

MediumFlaw

Question 20

Calories consumed in excess of those

MediumParadox

Question 21

When a person with temporal lobe

EasyMost Supported

Question 22

In Sheldon most bicyclists aged 18

EasyParallel Flaw

Question 23

Asbestos, an almost indestructible mineral

HardStrengthen

Question 24

When volcanic lava solidifies, it becomes

MediumNecessary Assumption

Question 25

When volcanic lava solidifies, it becomes

MediumWeaken

Question 26

When the manufacturers in a

HardMust be True