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21 Apr 2020, 03:15
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Difficulty:
55%
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Question Stats:
64% (02:18) correct
36%
(02:23)
wrong
based on 457
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Martha’s friend, who is very knowledgeable about edible flowers, told Martha that there are no edible daisies, at least not any that are palatable. Martha, however, reasons that since there are daisies that are a kind of chrysanthemum and since there are edible chrysanthemums that are quite palatable, what her friend told her must be incorrect.
Which one of the following has a flawed pattern of reasoning most like that in Martha’s reasoning?
(A) Jeanne is a member of the city chorus, and the city chorus is renowned. So Jeanne is an excellent singer.
(B) Rolfe belongs to the library reading group, and all members of that group are avid readers. So Rolfe is an avid reader.
(C) Some of Noriko’s sisters are on the debate team, and some members of the debate team are poor students. So at least one of Noriko’s sisters must be a poor student.
(D) Most of Leo’s friends are good swimmers, and quite strong. So it is likely that at least some of Leon’s friends are quite strong.
(E) Many of Teresa’s colleagues have written books. Most of the books they have written are on good writing. So some of Teresa’s colleagues are good writers.
Which one of the following has a flawed pattern of reasoning most like that in Martha’s reasoning?
(A) Jeanne is a member of the city chorus, and the city chorus is renowned. So Jeanne is an excellent singer.
(B) Rolfe belongs to the library reading group, and all members of that group are avid readers. So Rolfe is an avid reader.
(C) Some of Noriko’s sisters are on the debate team, and some members of the debate team are poor students. So at least one of Noriko’s sisters must be a poor student.
(D) Most of Leo’s friends are good swimmers, and quite strong. So it is likely that at least some of Leon’s friends are quite strong.
(E) Many of Teresa’s colleagues have written books. Most of the books they have written are on good writing. So some of Teresa’s colleagues are good writers.
21 Apr 2020, 03:47
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Martha’s friend, who is very knowledgeable about edible flowers, told Martha that there are no edible daisies, at least not any that are palatable. Martha, however, reasons that since there are daisies that are a kind of chrysanthemum and since there are edible chrysanthemums that are quite palatable, what her friend told her must be incorrect.
Which one of the following has a flawed pattern of reasoning most like that in Martha’s reasoning?
What Martha suspects about her friend's claim may be or may not be correct.
According to the excerpt, Some types of daisies= kind of chrysanthemum + some edible chrysanthemum= palatable
So, Martha concludes that some daisies must be palatable. This assertion may or may not be correct but the sentence uses "must" which expresses certainty. So, the flaw in reasoning is equating something which is possible to be definitely present.
(A) Jeanne is a member of the city chorus, and the city chorus is renowned. So Jeanne is an excellent singer.
(B) Rolfe belongs to the library reading group, and all members of that group are avid readers. So Rolfe is an avid reader. Incorrect
(C) Some of Noriko’s sisters are on the debate team, and some members of the debate team are poor students. So at least one of Noriko’s sisters must be a poor student. Correct
(D) Most of Leo’s friends are good swimmers, and quite strong. So it is likely that at least some of Leon’s friends are quite strong.
(E) Many of Teresa’s colleagues have written books. Most of the books they have written are on good writing. So some of Teresa’s colleagues are good writers.
Which one of the following has a flawed pattern of reasoning most like that in Martha’s reasoning?
What Martha suspects about her friend's claim may be or may not be correct.
According to the excerpt, Some types of daisies= kind of chrysanthemum + some edible chrysanthemum= palatable
So, Martha concludes that some daisies must be palatable. This assertion may or may not be correct but the sentence uses "must" which expresses certainty. So, the flaw in reasoning is equating something which is possible to be definitely present.
(A) Jeanne is a member of the city chorus, and the city chorus is renowned. So Jeanne is an excellent singer.
(B) Rolfe belongs to the library reading group, and all members of that group are avid readers. So Rolfe is an avid reader. Incorrect
(C) Some of Noriko’s sisters are on the debate team, and some members of the debate team are poor students. So at least one of Noriko’s sisters must be a poor student. Correct
(D) Most of Leo’s friends are good swimmers, and quite strong. So it is likely that at least some of Leon’s friends are quite strong.
(E) Many of Teresa’s colleagues have written books. Most of the books they have written are on good writing. So some of Teresa’s colleagues are good writers.
22 Apr 2020, 01:11
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The argument rests on following understanding : X is a type of Y ; since some Y's are palatable --> there must be atleast one variety of X which is palatable.
So C is inline with this reasoning and is correct
So C is inline with this reasoning and is correct
