GMAT Verbal Reasoning Practice Test 7

Question : 37 of 100

Marks: +1, -0

Over the last twenty years, average salaries in the country of Durovia have been declining, despite the fact that average levels of workers’ education and skills have been increasing. One economist attributes this paradoxical situation to the fact that the number of dual-income households has increased throughout this period. While individual salaries have declined, total household incomes have increased on average.
Which of the following would, if true, provide the strongest support for the economist’s claim?

Once their household income reaches a certain threshold, Durovians become willing to sacrifice compensation for greater job satisfaction
Dual-income households in Durovia tend to have a higher average age than single-income households there
Individuals in Durovia without families tend to switch jobs often
Households in Durovia with multiple sources of income tend to have higher average education levels than single-income households do
Many households in Durovia shift between
single-income and dual-income status over time

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