Logical Reasoning
PrepTest 150 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:
In constructing a self-driving robotic car, engineers face…Complete the Argument
Engineers designing self-driving cars should look at the principles fish use to navigate in schools.
- Q2:
The Common Loon is a migratory bird that winters…Paradox
Loons will often intrude on a lake that's occupied by other loons instead of taking a nearby suitable lake.
- Q3:
Taxi driver: My passengers complained when, on a hot day…Principle – Strengthen
It was the correct decision to turn off the air conditioner.
- Q4:
The reason J.S. Bach is remembered is not that he had…Weaken
Bach is remembered because he was prolific, not because his works were of high quality on average.
- Q5:
Pundit: Clearly, the two major political parties in this city…Flawed Reasoning
The parties are sharply divided on issues.
- Q6:
The waters surrounding Shooter's Island have long been…Strengthen
The still waters around Shooter's Island serve as a nursery for the juveniles.
- Q7:
Pollster: When opinion researchers need a population sample…Necessary Assumption
Polls on the nation's opinions would be less accurate if the census became voluntary.
- Q8:
Of the many works in a collection from Japan's Tokugawa period…Flawed Parallel Reasoning
"Spring and Autumn Maples" is among the most valuable pieces in the collection.
- Q9:
Marketing agent: A survey of my business clients reveals…Flawed Reasoning
90% of the agent's clients increased their profit at least tenfold last year.
- Q10:
Changes in Britain's National Health Service have led many…Strengthen
The discontinuation of on-site laundry services will not put patients at risk.
- Q11:
Many newspapers have cut back on book reviews, replacing…Identify the Conclusion
Cutting back on book reviews is ill-advised.
- Q12:
Doctor: There will be more local cases of flu infection…Sufficient Assumption
There will be more local cases of flu infection this year compared to last year.
- Q13:
- Q14:
Most popular historical films are not documentaries; they are…Principle – Justify
Uninformed viewers should not regard dramatic historic films as accurate portrayals of historic events.
- Q15:
Carrillo: Using the number of existing primate species…Point at Issue
- Q16:
Automobile executive: Our critics say that the communications…Flawed Reasoning
The critics are wrong.
- Q17:
Since mosquito larvae are aquatic, outbreaks of mosquito-borne…Paradox
Mosquitoes-borne disease outbreaks generally appear more often after wet weather.
- Q18:
Efforts to get the public to exercise regularly, which have…Necessary Assumption
Efforts to get the public to exercise regularly would be more successful if they emphasized the dangers of a sedentary lifestyle, rather than focusing on positive effects of exercise.
- Q19:
Henry: Engines powered by electricity from batteries cause less…Weaken
Umit's conclusion is that we should not replace standard automobiles with battery-powered vehicles, if our goal is to reduce urban pollution.
- Q20:
- Q21:
Finance minister: The World Bank's "Doing Business" report ranks…Argument Evaluation
Our government's "Doing Business" ranking will probably improve.
- Q22:
Commentator: Unfortunately, Roehmer's opinion column has a…Flawed Reasoning
The polarizing effect of Roehmer's column is probably not a problem for her.
- Q23:
Fine short story writers are unlikely to become great novelists…Parallel Reasoning
Fine short story writers are unlikely to become great novelists.
- Q24:
Politician: Every regulation currently being proposed by…Flawed Reasoning
Each of the proposed regulations would help the economy.
- Q25:
Essayist writing in 2012: At its onset, a new medium is limited…Principle – Justify
It is too early to understand the e-book as a medium.
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