Logical Reasoning
PrepTest 134 Section 3
Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.
Choose a question
Explanations for every question, find them by number or text.
- Q1:
"Hot spot" is a term that ecologists use to describe…Complete The Argument
We should preserve hot spots.
- Q2:
Principle: If you sell an item that you know to be…Principle – Flawed Reasoning
Wilton committed fraud.
- Q3:
Engine noise from boats travelling through killer…Complete The Argument
Boats affect killer whales' hearing. (my guess at the conclusion)
- Q4:
Journalist: A manufacturers' trade group that has long…Flawed Reasoning
Bruch Industries isn't a member.
- Q5:
Peter: Unlike in the past, most children's stories…Point At Issue
- Q6:
Local resident: An overabundance of algae must be…Flawed Reasoning
An excess of algae is bad for the small fish in the pond.
- Q7:
Tanner: The public should demand political debates…Point At Issue
- Q8:
A recent study shows that those highways that carry the…Paradox
Congested highways have the lowest fatal accident rate.
- Q9:
In some jurisdictions, lawmakers have instituted sentencing…Strengthen
Lawmakers think that bribery and theft are equally harmful.
- Q10:
People often admonish us to learn the lessons of…Role in Argument
People are wrong to tell us we should learn the lessons of history.
- Q11:
Sigerson argues that the city should adopt ethical…Flawed Reasoning
Sigerson's proposal isn't honest.
- Q12:
Some gardening books published by Garden Path Press…Necessary Assumption
Some of Garden Path's books are bad.
- Q13:
Astronomers have found new evidence that the number of…Paradox
Astronomers haven't changed their estimates of the universe's weight, even though we've discovered 40 billion more galaxies.
- Q14:
Newspaper subscriber: Arnot's editorial argues that by…Flawed Reasoning
We can't get rid of our social ills by fixing government.
- Q15:
Columnist: Shortsighted motorists learn the hard way…Weaken
The city council made the right choice by hiring an investment advisor.
- Q16:
Editorial: Cell-phone usage on buses and trains is…Role in Argument
We shouldn't allow cell phones on airplanes.
- Q17:
Science writer: The deterioration of cognitive faculties…Strengthen
Microglia (immune cells in the brain) cause Alzheimer's.
- Q18:
Lawyer: One is justified in accessing information in…Principle
A sufficient condition and necessary condition for accessing computers are given.
- Q19:
The conventional process for tanning leather uses…Necessary Assumption
It costs less to tan leather using biological catalysts.
- Q20:
One should not play a practical joke on someone…Principle
You shouldn't play a practical joke under two conditions: if it will show contempt for the person you're playing the joke on, or if you think the joke will hurt the person.
- Q21:
Economics professor: Marty's Pizza and Checkers Pizza…Sufficient Assumption
Checkers wanted to hurt Marty's pizza when it refused the coupons.
- Q22:
Science writer: Scientists' astounding success rate with…Most Strongly Supported
Scientists usually choose which problems to work on.
- Q23:
Most auto mechanics have extensive experience. Furthermore…Flawed Parallel Reasoning
Most car mechanics know how electronic circuits work.
- Q24:
If one wants to succeed, then one should act as though…Strengthen
You should pretend to be confident if you want to succeed.
- Q25:
- Q26:
Acquiring complete detailed information about all the…Sufficient Assumption
Consumers are rational when they are too lazy to research the products they buy.
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