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Home Test Prep LSAT Section 1 Logical Reasoning

Test Prep LSAT Section 1 Logical Reasoning Exam Practice Questions (P. 4)

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Question #31
Unlike most graduates of American high schools, all graduates of high schools in Bermuda have completed four years of advanced mathematics. Which one of the following, if true, would best explain the situation described above?
  1. A
    Math anxiety is higher in the United States than in Bermuda.
  2. B
    There are far more high schools and high school students in the United States than in Bermuda.
  3. C
    More students in America take fulltime jobs without completing high school.
  4. D
    Math programs in American high schools are frequently understaffed.
  5. E
    High Schools in Bermuda require four years of advanced mathematics for graduation.

Correct Answer:
E
Though choices A., B., C., and D. might contribute to increased study of math in Bermuda, E. leaves no doubt. High schools in Bermuda require four years of advanced math for graduation; high schools in the United States do not.

Question #32
By refusing to ban smoking in restaurants, the city council has put the financial wellbeing of restaurant owners above the health of the citizens of this city. No doubt the council would support the restaurants if they decided to use asbestos tablecloths and to barbecue using radioactivity. These devices would be no more risky.
The author of this paragraph makes her case by arguing
  1. A
    from experience
  2. B
    from example
  3. C
    by authority
  4. D
    from observation
  5. E
    from analogy

Correct Answer:
E
The passage makes its point by analogy, comparing the dangers of smoking to the dangers of asbestos and radioactivity.

Question #33
There are no edible fish in the streams of this county because there are no pesticide controls. Which one of the following assumptions must be made before the conclusion above can be reached?
  1. A
    Edible fish cannot be found in areas where there are no pesticide controls.
  2. B
    If there are pesticide controls, there will be many edible fish.
  3. C
    Without adequate pesticide controls, the fish population will rapidly decline.
  4. D
    If there are pesticide controls, there will be some edible fish.
  5. E
    With pesticide controls, the fish population will rapidly increase.

Correct Answer:
A
The assumption is that where there are no pesticide controls, no edible fish can be found, not the reverse as in B., D., and E..

Question #34
How can I write any of the essays when there are so many essays to be written?
In terms of its logical structure, the remark above most closely resembles which one of the following?
  1. A
    How can he buy a new car when he is already deeply in debt?
  2. B
    How can she increase her collection of books when it is already so large?
  3. C
    How can he iron any of his shirts when he has so many shirts that need ironing?
  4. D
    How can she visit London and Paris when she has not yet visited New York and Washington?
  5. E
    How can they raise horses when they already raise so many cows?

Correct Answer:
C
In each case, the verb ("iron".."need ironing";"write".."to be written") is repeated, while the adjective ("many") modifies the repeated noun.

Question #35
Nutritionist: Recent studies show that the height of the average American has increased 2 inches in the past 10 years, lending support to the view that modern foods stimulate growth. The argument would be strengthened by pointing out that
  1. A
    statistical studies were done on which foods were eaten
  2. B
    modern foods are unhealthy
  3. C
    all average heights are increasing
  4. D
    comparisons have been studied in control groups
  5. E
    there is no such thing as an average American

Correct Answer:
D
B. and E. weaken the argument, A. repeats the argument, and C. makes no sense, since" average height" is a single composite of all heights.

Question #36
Nutritionist: Recent studies show that the height of the average American has increased 2 inches in the past 10 years, lending support to the view that modern foods stimulate growth.
This argument would be weakened most by pointing out that
  1. A
    statistics don't lie
  2. B
    there are too many variables in this type of study
  3. C
    the generic background of the subjects was not investigated
  4. D
    the sample group used was small
  5. E
    some people's height decreased

Correct Answer:
B
Pointing out that "there are too many variables in this type of study" weakens the argument tremendously, because isolating the reason for the growth increase now becomes very difficult. Thus, we could not deduce that modern foods stimulate growth.
D.is close, as it also weakens the argument, but it isn't specific enough. If D. were "too small," then it would be an excellent answer.

Question #37
Landlord: When are you going to pay last month's rent?
Renter: First, I've already paid it. Secondly, I don't owe you anything. Third, not until you fix the heater.
The weakness in the renter's response is best expressed by which one of the following?
  1. A
    He contradicts himself.
  2. B
    He dislikes the landlord.
  3. C
    He assumes the landlord has a poor memory.
  4. D
    He repeats himself.
  5. E
    He makes no sense.

Correct Answer:
A
The renter's third statement contradicts his second statement.

Question #38
All teachers like some of their students. No teacher likes all of his or her students. If the statements are true, then all of the following must be true EXCEPT
  1. A
    some teachers like some of their students
  2. B
    all teachers dislike some of their students
  3. C
    no teacher dislikes all of his or her students
  4. D
    most teachers like most of their students
  5. E
    no teacher likes all of his or her students

Correct Answer:
D
The passage makes no comments on the majority of a teacher's students.

Question #39
You do not succeed unless you take a gamble. Gambling is foolish. Therefore, only fools succeed.
Which one of the following would weaken the conclusion the most?
  1. A
    Most fools gamble.
  2. B
    Most fools do not succeed.
  3. C
    Some succeed without gambling.
  4. D
    Most successful gamblers are not foolish.
  5. E
    A fool and his money are soon parted.

Correct Answer:
C

Question #40
The politicians cannot be telling the truth about a reduction in taxes. This year my taxes must have been higher than ever, because I was able to save less money than last year or the year before.
All of the following point to an error in reasoning in this passage EXCEPT
  1. A
    taxes are not the year's only expense.
  2. B
    this year's earnings may have been smaller than last year's.
  3. C
    politicians are frequently guilty of exaggeration or equivocation.
  4. D
    this year's tax deductions may have been smaller than last year's
  5. E
    income from invested income may have declined this year due to lower interest rates.

Correct Answer:
C
The speaker of this passage may have saved less money because his income was less B. or E., his tax deductions were smaller D., or his expenses besides taxes were larger.

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