medium · LSAT Logical Reasoning
Environmentalist: Our city's air quality has improved since we implemented the new emissions standards for factories. Therefore, these standards are clearly effective.
Which of the following, if true, most seriously undermines this argument?
- Air quality improved by a comparable amount over the same period in nearby cities that adopted no such standards.
- Several small factories were forced to close because they could not afford to meet the standards.
- A number of factory owners have complained that the standards are difficult to monitor accurately.
- The improved air quality coincided with a 10 percent drop in respiratory-related hospital visits.
- Air quality in the city had been gradually worsening for many years before the standards took effect.
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More LSAT Logical Reasoning practice
- Which one of the following is an assumption required by the argument?
- Which one of the following can be properly inferred from the statements above?
- The question type just described is best identified as which one of the following?
- The reasoning in the argument is flawed in that the argument
- The reasoning in the argument is flawed because the argument
- Which one of the following most accurately describes the relationship the statement establ
- Which one of the following can be validly inferred from the two conditionals above?
- Which one of the following must be true given the statement above?