Logical ReasoningDifficulty: Easy

PT101 S3 Q21 Explanation

The amount of electricity consumed

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsParallel Flaw

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Stimulus

The amount of electricity consumed in Millville on any day in August is directly proportional to peak humidity on that day. Since the average peak humidity this August was three points higher than the average peak humidity last August, in Millville this August than last August.

What this question is testing

Parallel Flaw

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.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
21.

Which one of the following arguments has a pattern of reasoning most similar to the one in

Answer choices

  1. Correct81% picked this

    The amount of art supplies used in any of the Aesthetic Institute’s 25 classes is directly proportional to the number of students in that

    Why this is right

    Answer A is correct.

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

  2. Trap2% picked this

    The number of courses in painting offered by the Aesthetic Institute in any term is directly proportional to the number of students enrolled in

  3. Trap4% picked this

    The number of new students enrolled at the Aesthetic Institute in any given year is directly proportional to the amount of advertising the institute

  4. Trap11% picked this

    The fees paid by a student at the Aesthetic Institute are directly proportional to the number of classes in which that student enrolls. Since

  5. Trap1% picked this

    The number of instructors employed by the Aesthetic Institute in any term is directly proportional to the number of classes offered in that term

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