Logical ReasoningDifficulty: Medium

PT11 S4 Q20 Explanation

If the majority of the residents

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

TopicsParallel Flaw

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Stimulus

If the majority of the residents of the apartment complex complain that their apartments are infested with ants, then the management of the complex will have to engage the services of an exterminator. But the majority of the residents of the complex indicate that their apartments are virtually free not have to engage the services of an exterminator.

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
20.

Which one of the following arguments contains a flawed pattern of reasoning parallel to that contained in

Answer choices

  1. Trap3% picked this

    A theater will be constructed in the fall if funds collected are at least sufficient to cover its cost. To date, the funds collected

  2. Trap11% picked this

    The number of flights operated by the airlines cannot be reduced unless the airlines can collect higher airfares. But people will not pay higher

  3. Trap3% picked this

    In order for the company to start the proposed building project, both the town council and the mayor must approve. Since the mayor has

  4. Correct79% picked this

    Most employees will attend the company picnic if the entertainment committee is successful in getting a certain band to play at the picnic. But

    Why this is right

    Answer D is correct.

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

  5. Trap5% picked this

    Either the school’s principal or two-thirds of the parent council must approve a change in the school dress code in order for the code

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