All practice questions

Arrange the following five argumentative statements into their most logical sequence, proceeding from foundational evidence to the intermediate conclusion, through secondary evidence, and finally to the main conclusion.

According to the Galactic Trade Federation's new charter, a planet's trading status is upgraded to 'Prime' only if its government both abolishes tariffs and implements comprehensive environmental protections. Furthermore, implementing comprehensive environmental protections requires that the planet either transitions to renewable energy or imposes strict carbon quotas. However, no planet imposes strict carbon quotas without facing immediate economic sanctions.

Which one of the following statements can be properly inferred from the rules of the Galactic Trade Federation charter?

Arrange the following statements to form a continuous logical chain that demonstrates how a sufficient assumption bridges the logical gap to justify the conclusion. The sequence must trace the conditional path from the initial trigger to the final outcome, ending with the main conclusion.

A local news anchor reported: 'Last year, 20% of all crimes committed in our city were burglaries. This year, that figure has risen to 40%. Therefore, the absolute number of burglaries committed in our city must have increased this year.'

Which of the following represent statistical assumptions required to make the news anchor's conclusion valid? Select all that apply.

Match each logical argument on the left with the piece of evidence on the right that most strongly bolsters its conclusion.

Financial Analyst: The manufacturing sector in Country X will likely experience a severe contraction this year. The global price of refined rhodium, a catalyst essential for the advanced electronics manufactured almost exclusively in Country X, has tripled in the past six months. Because manufacturers in Country X operate on very thin profit margins, they cannot absorb this cost increase without significantly raising their prices, an action that will inevitably cause a drastic drop in their sales volume.

Which one of the following is an assumption on which the financial analyst's argument depends?

Paleontologist: The extinction of the marine reptile *Thalassadon* was caused by a rapid global cooling event, rather than by a viral pandemic as some scientists have proposed. Fossil records clearly indicate that *Thalassadon* populations drastically plummeted in the higher, colder latitudes hundreds of thousands of years before they disappeared from the warmer equatorial waters.

Statement: The paleontologist's argument logically depends on the assumption that the proposed viral pandemic did not originate in the higher latitudes and slowly spread toward the equator.

Some environmentalists argue that ecosystems possess intrinsic moral standing. However, attributing intrinsic moral standing to an entity requires that the entity possesses a subjective experiential perspective—that is, it must be capable of consciously experiencing well-being or suffering. Because ecosystems are decentralized networks of interactions rather than unified, sentient beings, they lack this capacity. Therefore, the preservation of ecosystems can only be ethically justified on the basis of their instrumental value to sentient creatures.

Which one of the following, if assumed, enables the conclusion to be properly drawn?

Economic Historian: The prolonged recession of the 1970s was characterized by severe instability within the national manufacturing sector. Yet, paradoxically, macroeconomic data from that era demonstrates that the national manufacturing sector, evaluated as a comprehensive whole, maintained an incredibly high rate of overall financial solvency. Therefore, it is historically inaccurate to suggest that any individual manufacturing corporation was operating on the brink of bankruptcy at that time.

Which of the following most accurately describes a flaw in the economic historian's reasoning?

Public Health Official: A recent outbreak of waterborne illness in our municipality was definitively traced to agricultural runoff entering the regional reservoir. To guarantee the safety of our drinking water, the city council must mandate a total transition to indoor hydroponic farming for all regional agriculture. The rationale is straightforward: if we permit traditional outdoor farming to continue, our sole defense against contamination will be to drastically increase the concentration of chlorine in our water treatment facilities. Yet, epidemiological studies demonstrate that numerous chlorine-resistant pathogens survive such elevated chemical treatments, leaving the populace vulnerable. Consequently, the mandate for indoor hydroponic farming is an absolute necessity.

Which one of the following most accurately describes a flaw in the public health official's reasoning?

Corporate Consultant: To boost overall employee productivity, our company should replace standard office chairs with standing desks. A recent occupational health study found that office workers who switched to standing desks experienced a significant decrease in chronic back pain. Furthermore, it is well established that employees who experience less overall physical discomfort are able to maintain concentration on their tasks for significantly longer periods.

Which one of the following is an assumption on which the corporate consultant's argument depends?

Economist: Recent studies demonstrate that implementing a nominal congestion pricing fee in the city's central business district during peak commuting hours—provided that strict exemptions are granted for emergency and commercial delivery vehicles—can marginally reduce gridlock while generating dedicated revenue for public transit expansion.

Politician: The economist clearly wants to cripple our local economy. If we construct an insurmountable financial barrier around our city center, everyday citizens will be completely locked out of participating in civic life, effectively turning the downtown area into an exclusive playground for the ultra-wealthy.

Which one of the following most accurately describes a flaw in the politician's reasoning?

Analyze each of the following scenarios. Match each paradoxical situation (apparent discrepancy) with the explanatory statement that logically resolves the paradox.

Analyze the four logical arguments below. Each argument contains a specific causal gap or unstated vulnerability. Match each argument to the single piece of new evidence that most robustly strengthens its conclusion by resolving that specific gap.

Macroeconomist: A national currency cannot achieve global reserve status unless its issuing central bank operates completely independent of short-term political pressures. Some analysts argue that the newly launched Solarian Credit will achieve global reserve status because it is backed by vast physical commodity reserves. However, any currency backed by vast physical commodity reserves inherently subjects its valuation to unpredictable global market fluctuations. Furthermore, no central bank can successfully prioritize long-term economic stability if its currency's valuation is subjected to such unpredictable market fluctuations. Therefore, the Solarian Credit cannot achieve global reserve status.

Which of the following, if assumed, enables the macroeconomist's conclusion to be properly drawn?

Marine Biologist: The population of the reef-dwelling clown triggerfish has declined significantly over the past decade. Some conservationists attribute this to increased commercial fishing in the area. However, recent data shows that the population of predatory grouper, which primarily feed on juvenile clown triggerfish, has doubled during the same period. Since commercial fishing operations in this region primarily target tuna and completely ignore grouper, it is clear that the grouper population explosion, rather than commercial fishing, is responsible for the decline of the clown triggerfish.

Which of the following statements, if logically negated, would fatally undermine the marine biologist's conclusion? (Select all that apply)

To improve the durability of its flagship rugged smartphone, the Trekker, a telecommunications company analyzed thousands of broken units that customers had sent to the company's centralized repair facility over the past year. The engineers found that 85 percent of the damaged Trekkers had shattered outer screens, while only 5 percent had damaged internal processors. Based on this data, the engineering team proposed heavily reinforcing the screens on the next generation of the Trekker. However, the chief product architect rejected this proposal, arguing that if the goal is to maximize the average operational lifespan of the Trekker in the field, the company must instead prioritize reinforcing the internal processors.

Which of the following, if true, most helps to resolve the apparent discrepancy between the repair data and the architect's recommendation?

Botanist: The rare *Silene* flower requires extended periods of freezing temperatures followed immediately by heavy rainfall in order to bloom. The university's climate-controlled greenhouse is incapable of simulating heavy rainfall and cannot reach freezing temperatures. Therefore, if our research team is to successfully observe the *Silene* flower's blooming phase, we will be forced to conduct our research in the Torngat Mountains, and we will need to drastically reduce our laboratory budget.

Which of the following statements function as supporter assumptions that are logically required for the botanist's conclusion to be properly drawn? Select all that apply.

A new allergy medication, AllerClear, contains the exact same active compound as the leading brand, AllerSustain. However, AllerClear's unique formulation causes it to be metabolized and completely eliminated from the human body twice as rapidly as AllerSustain. Since the adverse side effects of this active compound are known to result from its presence in the bloodstream, researchers predicted that allergy sufferers would experience far fewer side effects with AllerClear. Yet, in a multi-month clinical trial where participants were instructed to take their assigned medication whenever their allergy symptoms flared up, those using AllerClear reported a significantly higher incidence of side effects than those using AllerSustain.

Which one of the following, if true, most helps to resolve the apparent discrepancy?

City Planner: To address the severe budget deficit in the municipal transportation department, we must immediately reduce the frequency of bus services on all major routes. The transit union has proposed an alternative: increasing the city's general sales tax to subsidize the department. However, macroeconomic data clearly demonstrates that any increase in the sales tax at this time would suppress local retail spending, which the city relies on for its baseline revenue. Since we cannot afford to suppress retail spending, the drastic cuts to bus service frequencies must be implemented.

The reasoning in the city planner's argument is most vulnerable to criticism on the grounds that it does which one of the following?