LSAT Questions (Logical Reasoning)2024/2025 with 100% correct answers
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24.2.21. Newspaper editor: Law enforcement experts, as well as most citizens, have finally been come to recognize that legal prohibitions against gambling all share a common flaw: no matter how diligent the effort, the laws are impossible to enforce. Ethical qualms notwithstanding, when a law fails...
24.2.21. Newspaper editor: Law enforcement experts, as well as most citizens, have finally been come to
recognize that legal prohibitions against gambling all share a common flaw: no matter how diligent the
effort, the laws are impossible to enforce. Ethical qualms notwithstanding, when a law fails to be
effective, it should be a law. That is why there should be no legal prohibition against gambling.
Which of the following, if assumed, allows the argument's conclusion to be properly drawn?
(A) No effective law is unenforceable.
(B) All enforceable laws are effective.
(C) No legal prohibitions against gambling are enforceable.
(D) Most citizens must agree with a law for the law to be effective.
(E) Most citizens must agree with a law for the law to be enforceable.
(p.106) correct answers(A) No effective law is unenforceable.
23.3.8. The caterpillar of the monarch butterfly feeds on milkweed plants, whose toxins make the adult
monarch poisonous to many predators. The viceroy butterfly, whose caterpillars do not feed on
milkweed plants, is very similar in apperance to the monarch. Therefore, it can be concluded that the
viceroy is so seldom preyed on because of its visual representation to the monarch.
Which of the following, if it were discovered to be true, would most seriously undermine the argument?
(A) Some predators do not have a toxic reaction to insects that feed on milkweed plants.
(B) Being toxic to predators will not protect individual butterflies unless most members of the species to
which such butterflies belong are similarly toxic.
(C) Some of the predators of the monarch butterfly also prey on viceroys.
(D) The viceroy butterfly is toxic to most predators.
(E) Toxicity to predators is the principal means of protection correct answers(D) The viceroy butterfly is
toxic to most predators.
, 29.1.16. We can learn about the living conditions of a vanished culture by examining its language. Thus,
it is likely that the people who spoke Proto-Indo-European, the language from which all Indo-European
languages descended, lived in a cold climate, isolated from ocean or sea, because Proto-Indo-European
lacks a word for "sea," yet contains words for "winter," "snow," and "wolf."
Which of the following, if true, most seriously weakens the argument?
(A) A word meaning "fish" was used by the people who spoke Proto-Indo-European.
(B) Some languages lack words for prominent elements of the enviornments of their speakers.
(C) There are no known languages today that lack a word for "sea."
(D) Proto-Indo-European possess words for "heat."
(E) The people who spoke Proto-Indo-European were nomadic.
(p.126) correct answers(B) Some languages lack words for prominent elements of the eviornments of
their speakers.
28.3.20. Game show host: Humans are no better than apes at investing, that is, they do not attain a
better return on their investments than apes do. We gave five stock analysts and one chimpanzee $1,350
each to invest. After one month, the chimp won, having increased its net worth by $210. The net worth
of the analyst who came in second increased by only $140.
Each of the following describes a flaw in the game show host's reasoning EXCEPT:
(A) A conclusion is drawn about apes in general on the basis of an experiment involving one chimpanzee.
(B) No evidence is offered that chimpanzees are capable of understanding stock reports and making
reasoned investment decisions.
(C) A broad conclusion is made about investing on the basis of a single experiment involving short-term
investing but not long-term investing.
(E) No evidence is considered about the long-term performance of the chimpanzee's portfolio versus
that correct answers(B) No evidence is offered that chimpanzees are capable of understanding stock
reports and making reasoned investment decisions.
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