Logical ReasoningDifficulty: Hard

PT124 S2 Q10 Explanation

Those who have the ability to

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

TopicsMust be False

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Stimulus

Those who have the ability to fully concentrate are always of above-average intelligence. Also, being successfully trained in speed-reading will usually increased ability to concentrate.

What this question is testing

Must be False

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
10.

If the statements above are true, then each of the following could

Answer choices

  1. Correct70% picked this

    Some people can speed-read, and are able to fully concentrate, but are

    Why this is right

    This contradicts the first sentence. The detail it includes about speed-reading it totally irrelevant. It has nothing to do with why we're picking this answer. This is saying that there are people who have the ability to fully concentrate but aren't of above-average intelligence.

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

  2. Compatible15% picked this

    All people who can speed-read are of above-

    To contradict this, we would need information that there is at least one person who can speed-read who is average or below-average intelligence. We weren't told the intelligence level of any speed-readers, so we can't contradict this.

  3. Compatible10% picked this

    Many people of above-average intelligence are unable to

    To contradict this, we would need to know that "all, or almost all, people of above-average intelligence are able to fully concentrate". That's almost what the first sentence says, but it would require a reversal of the first sentence. The first sentence says "all people who can fully concentrate are of above-average intelligence", but what would contradict this answer is hearing that "all people of above-average intelligence can fully concentrate". Another way of seeing how this is compatible is thinking that if we're given Ppl who are A are always B Does it contradict do say "many people who are B are not A"? No, we could say Ppl who are NBA stars are always athletic. It doesn't contradict to say that "many athletic people are not NBA stars".

  4. Compatible Out of Scope4% picked this

    Some people with little ability to concentrate are of below-average intelligence,

    Compatible Out of Scope: little ability to concentrate To contradict this, we'd need to know one of or more of these two things: - people with little ability to concentrate are always of average or better intelligence - people with little ability to concentrate can never speed-read We weren't told either of those facts. In fact, we weren't told anything about people with "little ability to concentrate".

  5. Compatible1% picked this

    All people who can speed-read are able to concentrate to

    To contradict this, we would need to know that "there is at least one person who can speed-read, but can't concentrate at all". We were never told that.

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