Logical Reasoning
PrepTest 151 Section 4
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:
Joe: All vampire stories are based on an absurd set of…Point at Issue
- Q2:
- Q3:
Politician: The legal right to free speech does not…Main Point
It is justifiable to ban the types of speech I cited.
- Q4:
Art critic: Nowadays, museum visitors seldom pause to…Necessary Assumption
People don’t want to engage with art the way they used to.
- Q5:
Heavy tapestry fabrics are appropriate only for use in…Most Strongly Supported
Heavy tapestry appropriate ➞ ~~need laundering~~
2. - Q6:
The construction of new apartments in Brewsterville…Paradox
Rents rose in Brewsterville even as the housing supply rose.
- Q7:
Politicians often advocate increased overall economic…Flawed Reasoning
Increasing overall economic productivity may benefit businesses but hurt workers.
- Q8:
A good movie reviewer should be able to give favorable…Identify the Conclusion
A skilled movie reviewer ought to be able to give positive reviews of movies they don’t like.
- Q9:
The brain area that enables one to distinguish the…Flawed Reasoning
Practicing and playing a musical instrument changes brain structure.
- Q10:
Researcher: Overhearing only one side of a cell-phone…Most Strongly Supported
Hearing one half of a cellphone conversation is distracting.
**REASONING:**
1. You have to guess what the person on the other side of the conversation is saying, and
2. People on cellphones talk unusually loudly. - Q11:
A new treatment for muscle pain that looked very…Flawed Parallel Reasoning
The treatment is probably bad.
- Q12:
If future improvements to computer simulations of…Strengthen
Computer simulations improve their info about safety features to be just as good as test crashes ➞ car manufacturers will use less test crashes
- Q13:
- Q14:
A new computer system will not significantly increase…Complete the Argument
The new computer system won’t make a significant improvement to productivity. [Expected conclusion]
- Q15:
Columnist: Many car manufacturers trumpet their cars'…Flawed Reasoning
Manufacturers likely inflate their fuel efficiency figures.
- Q16:
Tenants who do not have to pay their own electricity…Weaken
Society will save energy if landlords install electricity meters and bill tenants for heating.
- Q17:
The position that punishment should be proportional…Role in Argument
It is unsustainable to argue that both:
1. Punishments should be proportional to the seriousness of the crime, and
2. Repeat offenders should get worse punishments than first time offenders. - Q18:
Blogger: Traditionally, newspapers have taken…Necessary Assumption
The best way to understand how journalism changed is to think about different business strategies.
- Q19:
Any government practice that might facilitate the…Must be True
If a government practice might help abuse power, you should only do it if there is a good reason.
- Q20:
According to a theory embraced by some contemporary…Sufficient Assumption
The radical musicians’ music is inconsistent with their theory.
- Q21:
Evolution does not always optimize survival of an…Method of Reasoning
Evolution doesn’t always maximize survival of species.
- Q22:
Biologist: When bacteria of a particular species are…Weaken
The bacteria probably detect red light by checking how much energy their chlorophyll makes.
- Q23:
If a piece of legislation is the result of negotiation…Flawed Reasoning
Satisfies no one ➞ negotiation
- Q24:
After a nuclear power plant accident, researchers…Most Strongly Supported
Materials found after a nuclear plant accident: iodine, tellurium, cesium.
- Q25:
If ecology and the physical sciences were evaluated by…Parallel Reasoning
Ecology is being evaluated by different criteria than the physical sciences are.
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