Logical Reasoning

PT143 · S4 · Q12 After the rush-hour speed limit

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After the rush-hour speed limit on the British M25 motorway was lowered from 70 miles per hour (115 kilometers per hour) to 50 miles per hour (80 kilometers per hour), rush-hour travel times decreased by approximately 15 percent.

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

12.

Which one of the following, if true, most helps to explain the decrease in travel times described above?

  1. After the decrease in the

    Trap

    1% picked this

  2. Travel times during periods other

    Trap

    0% picked this

  3. Correct

    Before the rush-hour speed limit

    Why this is right

    Answer C is correct.

    Skill tested: Paradox · how this choice captures the argument's function is the move to repeat next time.

    97% picked this

  4. Enforcement of speed limits on

    Trap

    0% picked this

  5. The number of people who

    Trap

    1% picked this

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