Logical ReasoningDifficulty: Easy

PT125 S2 Q16 Explanation

"Good hunter" and "bad hunter" are standard terms

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

TopicsMust be True

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Stimulus

"Good hunter" and "bad hunter" are standard terms in the study of cats. Good hunters can kill prey that weigh up to half their body weight. All good hunters have a high muscle-to-fat ratio. Most wild domestic cats are good hunters as well.

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.

If the statements above are true, which one of the following must

Answer choices

  1. Out of Scope: not good hunters2% picked this

    Some cats that have a high muscle-to-fat ratio are not

    The passage only contains info about good hunters, so we don't have the ammunition to make any inferences about not-good hunters.

  2. Unsupported Relationship6% picked this

    A smaller number of domestic cats than wild cats have a

    We can't compare numbers. Just because one quantifier used Some and the other quantifier used Most doesn't mean the latter group is bigger. You can say "Some men drive trucks. Most Supreme Court justices wear robes." Does that mean that the number of people who wear robes is greater than the number of people who drive trucks? Of course not.

  3. Negated Logic3% picked this

    All cats that are bad hunters have a low

    The stimulus states that GH → HMR good hunters have a high muscle-to-fat ratio. This answer negates ~GH → ~HMR the logic of the given statement.

  4. Correct81% picked this

    Some cats that have a high muscle-to-fat ratio

    Why this is right

    This follows from DC ↢some↣ GH the 2nd and 4th GH → HMR statements. DC ↢some↣ HMR

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

  5. Unsupported Relationship8% picked this

    All cats that have a high muscle-to-fat ratio can kill prey that weigh up to

    This answer would require GH → HMR reversing the statement GH → KP that good hunters have a high muscle-to-fat ratio.

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