Logical Reasoning
PrepTest 151 Section 2
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:
Ullman: Plato argued that because of the harmful ways …Flawed Reasoning
We shouldn't put restrictions on music.
- Q2:
Physician: A tax on saturated fat, which was intended to reduce …Principle – Justify
The tax shouldn't have been repealed so fast.
- Q3:
Legislator: A foreign company is attempting to buy FerroMetal …Flawed Reasoning
We should prohibit the sale of FerroMetal.
- Q4:
Food company engineer: I stand by my decision to order the dumping …Principle
It's okay for me to dump chemicals into the local river.
- Q5:
Political strategist: Clearly, attacking an opposing candidate …Necessary Assumption
Attacking opponents on philosophical grounds is more effective than attacking the details of their policies.
- Q6:
- Q7:
Principle: People should not feed wild animals because …Principle – Justify
- Q8:
Normally, political candidates send out campaign material …Identify the Conclusion
Ebsen's ads were sent out to test their potential to influence popular opinion.
- Q9:
Last year, pharmaceutical manufacturers significantly increased …Weaken
The drug promotion was counterproductive.
- Q10:
Archaeologist: The extensive network of ancient tracks …Identify the Conclusion
The track network in Malta was probably made from erosion by wheeled vehicles.
- Q11:
The goal of reforesting degraded land is to create an area …Paradox
Reforesting is meant to create many tree species.
- Q12:
An independent computer service company tallied …Weaken
ProBit computers are more reliable than KRV.
- Q13:
When scientific journals began to offer full online access …Paradox
Even though scientists got access to more articles, they ended up citing a narrower, more overlapping set of articles.
- Q14:
Researcher: People are able to tell whether a person is extroverted …Strengthen
The ability to tell whether a person is extroverted is a result of biology, not culture.
- Q15:
All the apartments on 20th Avenue are in old houses …Flawed Reasoning
Most old houses on 20th Ave have more than one apartment.
- Q16:
Scientist: An orbiting spacecraft detected a short-term spike …Weaken
We shouldn't conclude that volcanic activity caused the sulfur dioxide spike.
- Q17:
Increasing the electrical load carried on a transmission line …Most Strongly Supported
More electrical load = hotter line
2. - Q18:
In grasslands near the Namib Desert there are …Strengthen
The burrowing activities of sand termites cause fairy circles to form.
- Q19:
- Q20:
For pollinating certain crops such as cranberries …Most Strongly Supported
For some crops (like cranberries), bumblebees are more efficient at pollinating than honeybees.
* Bumblebees visit only a few plants in a small area.
* Honeybees visit many plants in a broader area. - Q21:
Economist: Currently the interest rates that banks pay …Sufficient Assumption
The total $ banks loan to companies is less now than it was 5 years ago.
- Q22:
Counselor: To be kind to someone, one must want that person …Must Be False
To be kind to someone, you have to wish them prosperity.
* Two people who don't like each other can still respect each other.
* Two people who don't like each other *cannot* be fully content with each other.
* Two people who *don't dislike* each other will be kind to each other. - Q23:
A gram of the artificial sweetener aspartame is much sweeter …Flawed Parallel Reasoning
People who regularly drink soda with aspartame will start to prefer extremely sweet products.
- Q24:
Economist: If minimum wage levels are low, employers have …Strengthen
Raising the minimum wage would help the economy more than any hiring cutbacks would hurt it.
- Q25:
Mayor: Periodically an ice cream company will hold a free …Role in Argument
Rush hour congestion will decrease if we charge people for using the roads during that time.
- Q26:
The advertising campaign for Roadwise auto insurance …Strengthen
Using a varied ad campaign is a smart strategy for Roadwise.
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