Logical Reasoning
PrepTest 130 Section 1
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:
Commentator: Although the present freshwater supply …Necessary Assumption
We’ll need to restrict human water use in the near future.
- Q2:
Psychologist: The best way to recall a certain word …Principle – Parallel
If you want to remember something you can’t think of, occupy your mind with other things.
- Q3:
Letter to the editor: The Planning Department budget …Strengthen
It is wrong to say that the department now spends 5x as much to do the same duties.
- Q4:
At mock trials in which jury instructions were given …Principle – Conform
In cases where judges instruct juries with jargon, the jury will match the judge’s own opinion.
- Q5:
Doctor: While a few alternative medicines have dangerous …Weaken
People should be able to provide herbs for serious illnesses.
- Q6:
When a nation is on the brink of financial crisis …Method of Reasoning
A government isn’t violating free market principles if it limits the ability to withdraw money, in order to prevent an economic collapse.
- Q7:
Although many political candidates object to being made …Flawed Parallel Reasoning
Negative advertising helps candidates.
- Q8:
Working residents of Springfield live, on average, farther …Paradox – Exception
Working people in Springfield live further from work than do working people in Rochester.
- Q9:
People who need to reduce their intake of fat and to consume …Flawed Reasoning
N5 doesn’t help people who want to eat less fat and fewer calories.
- Q10:
Music historian: Some critics lament the fact that impoverished …Most Strongly Supported
Bebop recordings were shorter than their live shows.
- Q11:
Recent studies indicate a correlation between damage …Flawed Reasoning
Damage to chromosome 6 has no effect on adult schizophrenia.
- Q12:
City councilperson: Many city residents oppose the city …Sufficient Assumption
The stone edifice is art.
- Q13:
It is a given that to be an intriguing person, one must be able …Identify the Conclusion
Constantly broadening your abilities and intellectual reach will let you inspire the perpetual curiosity of others.
- Q14:
Theatre managers will not rent a film if they do not believe …Necessary Assumption
Film producers tend to make movies that theatre managers think will attract younger audiences.
- Q15:
Almost all advances in genetic research give rise to ethical …Must be True
Genetic research is either funded exclusively by government, or exclusively by industry.
- Q16:
Corporate businesses, like species, must adapt to survive …Necessary Assumption
Sometimes a business can only survive by changing into a different corporation.
- Q17:
A survey taken ten years ago of the residents of area L …Paradox
Two different surveys:
Ten years ago, living conditions in L were below average, but people were satisfied.
- Q18:
Travel agent: Although most low-fare airlines have had few …Flawed Reasoning
Passengers are safer on major airlines.
- Q19:
Economist: Our economy's weakness is the direct result …Necessary Assumption
Lowering taxes would help the economy.
- Q20:
A person with a type B lipid profile is at much greater risk …Must be True
Type B lipid profiles have a much higher risk of heart disease.
- Q21:
Columnist: Although there is and should be complete freedom …Principle – Parallel
- Q22:
When a society undergoes slow change, its younger members …Necessary Assumption
We can measure the speed of societal change by observing how much deference young people show to their elders.
- Q23:
Politician: We should impose a tariff on imported fruit …Principle – Conform
We ought to place a tariff on imported fruit.
- Q24:
The Kiffer Forest Preserve, in the northernmost part …Weaken
There will be more bears in the valley if we keep the road closed.
- Q25:
If a wig has any handmade components, it is more expensive …Sufficient Assumption
Made to measure wigs should be dry cleaned.
M2M → DC
- Q26:
Philosopher: Wolves do not tolerate an attack by one wolf …Method of Reasoning
We would be wrong to say “animals don’t have rights because only humans can obey moral rules.”
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