Strengthen/Weaken Critical Reasoning

Practice Questions

GMAT Verbal › Strengthen/Weaken Critical Reasoning

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UCLA Sociologist: Between 1962 and 2012, the marriage rate (that is the percentage of adult women over 16 who get married for the first time each year) fell from 110 marriages a year per 1,000 unmarried women to just 37, a stunning 66 percent decline. Given this trend, there will likely be no women getting married for the first time by 2050!

Which of the following, if true, exposes a flaw in the sociologist’s reasoning?

2

UCLA Sociologist: Between 1962 and 2012, the marriage rate (that is the percentage of adult women over 16 who get married for the first time each year) fell from 110 marriages a year per 1,000 unmarried women to just 37, a stunning 66 percent decline. Given this trend, there will likely be no women getting married for the first time by 2050!

Which of the following, if true, exposes a flaw in the sociologist’s reasoning?

3

In an attempt to protect the environment and stop oil companies from sinking a decommissioned North Sea oil platform to the bottom of the ocean, environmental groups ringed the platform with protest boats and demanded that it be towed to land, where it could be dismantled above water. Environmentalists argued that sinking the oil platform would cause irreparable damage to the deep sea ecosystem and release into the ocean over 53 tons of oil residue and heavy metals.

Which of the following, if true, indicates the plan to tow the oil platform to land is ill-suited to the environmentalist group’s goals?

4

In an attempt to protect the environment and stop oil companies from sinking a decommissioned North Sea oil platform to the bottom of the ocean, environmental groups ringed the platform with protest boats and demanded that it be towed to land, where it could be dismantled above water. Environmentalists argued that sinking the oil platform would cause irreparable damage to the deep sea ecosystem and release into the ocean over 53 tons of oil residue and heavy metals.

Which of the following, if true, indicates the plan to tow the oil platform to land is ill-suited to the environmentalist group’s goals?

5

As far back as the 1950s, research has shown that adults who participate in over 30 minutes of aerobic exercise at least three times a week have a significantly lower prevalence of respiratory illness than those who do not. In recent years, studies have consistently confirmed these same statistics. It can be concluded, therefore, that regular aerobic exercise can be helpful in preventing respiratory illness.

Which of the following, if true, would most weaken the argument above?

6

As far back as the 1950s, research has shown that adults who participate in over 30 minutes of aerobic exercise at least three times a week have a significantly lower prevalence of respiratory illness than those who do not. In recent years, studies have consistently confirmed these same statistics. It can be concluded, therefore, that regular aerobic exercise can be helpful in preventing respiratory illness.

Which of the following, if true, would most weaken the argument above?

7

In an effort to eliminate congestion in the stadium entryways immediately before matches start, Plymouth Soccer Club has announced that it will host children’s soccer exhibitions two hours before matches start, typically at noon. This way, some fans will have an incentive to enter the stadium well before kickoff, keeping the entryways clearer immediately before a match starts.

Which of the following indicates a reason that the plan may fail to reach its objective?

8

In an effort to eliminate congestion in the stadium entryways immediately before matches start, Plymouth Soccer Club has announced that it will host children’s soccer exhibitions two hours before matches start, typically at noon. This way, some fans will have an incentive to enter the stadium well before kickoff, keeping the entryways clearer immediately before a match starts.

Which of the following indicates a reason that the plan may fail to reach its objective?

9

In the two years since the state legalized the sale and use of marijuana, Kerry County has seen a dramatic increase in marijuana use. This has caused an issue both with Kerry County’s largely older and more-conservative population and with local businesses that complain of the smell. To significantly reduce the use of marijuana within the county, Kerry County plans to implement a 50% sales tax on the sale of marijuana, believing that the higher cost will serve as a deterrent to many local marijuana users.

Each of the following constitutes a reason to believe that Kerry County’s plan will not achieve its goal EXCEPT:

10

In the two years since the state legalized the sale and use of marijuana, Kerry County has seen a dramatic increase in marijuana use. This has caused an issue both with Kerry County’s largely older and more-conservative population and with local businesses that complain of the smell. To significantly reduce the use of marijuana within the county, Kerry County plans to implement a 50% sales tax on the sale of marijuana, believing that the higher cost will serve as a deterrent to many local marijuana users.

Each of the following constitutes a reason to believe that Kerry County’s plan will not achieve its goal EXCEPT:

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