Logical ReasoningDifficulty: Hard

PT11 S4 Q16 Explanation

When glass products are made

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

TopicsMust be True

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Stimulus

When glass products are made from recycled glass, the resulting products can be equal in quality to glass products made from quartz sand, the usual raw material. When plastics are recycled, however, the result is inevitably a plastic of a lower grade than the plastic from which it is derived. plastic that are lower than the currently lowest commercial grade.

What this question is testing

Must be True

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
16.

Which one of the following is a conclusion that can be properly drawn from

Answer choices

  1. Correct63% picked this

    Products cannot presently be made out of plastic recycled entirely from the currently

    Why this is right

    Answer A is correct.

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

  2. Trap2% picked this

    It is impossible to make glass products from recycled glass that are equal in quality to the best glass products made

  3. Trap0% picked this

    Glass products made from recycled glass are less expensive than comparable products made

  4. Trap2% picked this

    Unless recycled plastic bears some symbol revealing its origin, not even materials scientists can distinguish

  5. Trap33% picked this

    The difference in quality between different grades of glass is not as great as that between

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