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LSAT Explanations › PrepTest 130 › Section 1

Logical Reasoning

PrepTest 130 Section 1

Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.

26 question explanationsScored section

Choose a question

Explanations for every question, find them by number or text.

  1. Q1:
    Commentator: Although the present freshwater supply …Necessary Assumption

    We’ll need to restrict human water use in the near future.

  2. Q2:
    Psychologist: The best way to recall a certain word …Principle – Parallel

    If you want to remember something you can’t think of, occupy your mind with other things.

  3. Q3:
    Letter to the editor: The Planning Department budget …Strengthen

    It is wrong to say that the department now spends 5x as much to do the same duties.

  4. Q4:
    At mock trials in which jury instructions were given …Principle – Conform

    In cases where judges instruct juries with jargon, the jury will match the judge’s own opinion.

  5. Q5:
    Doctor: While a few alternative medicines have dangerous …Weaken

    People should be able to provide herbs for serious illnesses.

  6. Q6:
    When a nation is on the brink of financial crisis …Method of Reasoning

    A government isn’t violating free market principles if it limits the ability to withdraw money, in order to prevent an economic collapse.

  7. Q7:
    Although many political candidates object to being made …Flawed Parallel Reasoning

    Negative advertising helps candidates.

  8. Q8:
    Working residents of Springfield live, on average, farther …Paradox – Exception

    Working people in Springfield live further from work than do working people in Rochester.

  9. Q9:
    People who need to reduce their intake of fat and to consume …Flawed Reasoning

    N5 doesn’t help people who want to eat less fat and fewer calories.

  10. Q10:
    Music historian: Some critics lament the fact that impoverished …Most Strongly Supported

    Bebop recordings were shorter than their live shows.

  11. Q11:
    Recent studies indicate a correlation between damage …Flawed Reasoning

    Damage to chromosome 6 has no effect on adult schizophrenia.

  12. Q12:
    City councilperson: Many city residents oppose the city …Sufficient Assumption

    The stone edifice is art.

  13. Q13:
    It is a given that to be an intriguing person, one must be able …Identify the Conclusion

    Constantly broadening your abilities and intellectual reach will let you inspire the perpetual curiosity of others.

  14. Q14:
    Theatre managers will not rent a film if they do not believe …Necessary Assumption

    Film producers tend to make movies that theatre managers think will attract younger audiences.

  15. Q15:
    Almost all advances in genetic research give rise to ethical …Must be True

    Genetic research is either funded exclusively by government, or exclusively by industry.

  16. Q16:
    Corporate businesses, like species, must adapt to survive …Necessary Assumption

    Sometimes a business can only survive by changing into a different corporation.

  17. Q17:
    A survey taken ten years ago of the residents of area L …Paradox

    Two different surveys:

    Ten years ago, living conditions in L were below average, but people were satisfied.

  18. Q18:
    Travel agent: Although most low-fare airlines have had few …Flawed Reasoning

    Passengers are safer on major airlines.

  19. Q19:
    Economist: Our economy's weakness is the direct result …Necessary Assumption

    Lowering taxes would help the economy.

  20. Q20:
    A person with a type B lipid profile is at much greater risk …Must be True

    Type B lipid profiles have a much higher risk of heart disease.

  21. Q21:
    Columnist: Although there is and should be complete freedom …Principle – Parallel
  22. Q22:
    When a society undergoes slow change, its younger members …Necessary Assumption

    We can measure the speed of societal change by observing how much deference young people show to their elders.

  23. Q23:
    Politician: We should impose a tariff on imported fruit …Principle – Conform

    We ought to place a tariff on imported fruit.

  24. Q24:
    The Kiffer Forest Preserve, in the northernmost part …Weaken

    There will be more bears in the valley if we keep the road closed.

  25. Q25:
    If a wig has any handmade components, it is more expensive …Sufficient Assumption

    Made to measure wigs should be dry cleaned.

    M2M → DC

  26. Q26:
    Philosopher: Wolves do not tolerate an attack by one wolf …Method of Reasoning

    We would be wrong to say “animals don’t have rights because only humans can obey moral rules.”

About this section

Originally Section 1 of PrepTest 58, administered in September 2009.

Question types

Necessary Assumption5 · 19%
Flawed Reasoning3 · 12%
Method of Reasoning2 · 8%
Must be True2 · 8%
Principle – Conform2 · 8%
Principle – Parallel2 · 8%
Sufficient Assumption2 · 8%
Weaken2 · 8%
Flawed Parallel Reasoning1 · 4%
Identify the Conclusion1 · 4%
Most Strongly Supported1 · 4%
Paradox1 · 4%
Paradox – Exception1 · 4%
Strengthen1 · 4%

Based on our explanation classifications. Each of the 26 questions is counted once.

Section 2: Reading Comprehension
All PrepTest 130 explanations

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