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Anthropologist : The culture responsible for the

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Anthropologist : The culture responsible for the [#permalink] New post 19 Apr 2008, 21:43
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A
B
C
D
E

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33% (03:03) correct 67% (01:54) wrong based on 0 sessions
Anthropologist : The culture responsible for the inscriptions at the site must have used fire to fashion iron implements. Of the Xa, Ye, Zi, the three cultures known to have inhabited this area surrounding this site, the Xa could obtain iron but could not use fire to fashion implements and the Ye had no access to iron. Therefore the Zi is the only culture known to be from the surrounding area that could have made these inscriptions.

The reasoning in which one of the following arguments most closely parallels the reasoning used in the argument :

A) Whoever committed the burglary wore size nine shoes. Of the three suspects in custody, Jensen, Kapp and Lomax, neither Jensen nor Lomax could have worn size nine shoes. Of the three suspects in custody, therefore, nobody but Kapp could be the burglar.

B) Anyone wishing to file a claim must first send a check and then visit the bureau. Of Quinn, Robins, and Su, Robins and Su each sent a check and visited the bureau, so Robins and Su can each file a claim.

C) The person who designed the Ultra 180 must have been a very patient person. Of three well known designers, Morris, Nieves, and Ott, who worked for the Ultra's when the Ultra 180 was designed, Morris and Ott were both impatient people. Therefore, Nieves is the only person who could have designed the Ultra 180.

D) Anyone aspiring to public office must have a quick wit and a ready smile. Of my friends Gail, Harry, and Ida, only Harry and Ida are aspiring to the public office, so only Harry and Ida could have both a quick wit and a ready smile.

E) Whoever wrote this letter to me signed it "Tony". Since I do not know anyone who signs letters with that name, the writer of this letter could only have been someone whom I do not know.
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Re: CR - Xa, Ye , Zi [#permalink] New post 21 Apr 2008, 02:34
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I say A.

To rephrase the original question:

A, B, and C are all from one area. A and B could not have done "it", so C is the only one from that area that could have done "it".

This leaves logical room for a group that is not from the area that A, B, and C are from to do it.

A leaves room for someone else that is not a suspect, saying that of the suspects, only Kapp could have been the burglar. It could have been someone that was not even considered a suspect.

C is close, but it does not allow the possibility of someone outside of the Ultra company designing the shoe. If it was not one of the 3 designers, then it had to be someone from the company. To relate it to the original statement, someone from the same company is still in the same "area", therefore the logic is not quite the same.
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Re: CR - Xa, Ye , Zi [#permalink] New post 21 Apr 2008, 05:29
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The OE goes to great lengths to describe why its not C :
"The reasoning in C is superficially very close to the reasoning in the anthropologists argument, but the one giveaway is the conclusion. The conclusion is not qualified the way it would have to be in order to be parallel to the conclusion in the anthropologists argument. The conclusion of C does not say, as it would have to , that out of the three designers being considered, the only one who could have designed the product is the third. Also note that C differs from the anthropologist's argument in that it doesn't rule out the possibility that the manufacturer may have employed other designers besides the three."

Source - LSAT Superprep - Difficulty level 4/5 (yup LSAT actually rates its CRs).

+1 to carlson for hitting the nail on the head.
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Re: CR - Xa, Ye , Zi [#permalink] New post 16 Aug 2013, 03:47
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bsd_lover wrote:
The OE goes to great lengths to describe why its not C :
"The reasoning in C is superficially very close to the reasoning in the anthropologists argument, but the one giveaway is the conclusion. The conclusion is not qualified the way it would have to be in order to be parallel to the conclusion in the anthropologists argument. The conclusion of C does not say, as it would have to , that out of the three designers being considered, the only one who could have designed the product is the third. Also note that C differs from the anthropologist's argument in that it doesn't rule out the possibility that the manufacturer may have employed other designers besides the three."

Source - LSAT Superprep - Difficulty level 4/5 (yup LSAT actually rates its CRs).

+1 to carlson for hitting the nail on the head.



I am still confused between A and C. Could someone please explain?
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Re: Anthropologist : The culture responsible for the [#permalink] New post 16 Aug 2013, 07:36
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Hi domfrancondumas! I hope this helps.

(C) The person who designed the Ultra 180 must have been a very patient person. Of three well known designers, Morris, Nieves, and Ott, who worked for the Ultra's when the Ultra 180 was designed, Morris and Ott were both impatient people. Therefore, Nieves is the only person who could have designed the Ultra 180. This choice is incorrect because the choice DOES NOT say there are only three designers who could design the Ultra 180. The choice just says that "Of three well known designers"; this implies that there can be other designers. Therefore, choice (C) is incorrect.

A) Whoever committed the burglary wore size nine shoes. Of the three suspects in custody, Jensen, Kapp and Lomax, neither Jensen nor Lomax could have worn size nine shoes. Of the three suspects in custody, therefore, nobody but Kapp could be the burglar. For choice (A), there are only three suspects that could be the burglar. This is similar reasoning to the argument in the question stem which states that there are only three possibilities. Thus, choice (A) is the correct answer.
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Re: Anthropologist : The culture responsible for the [#permalink] New post 16 Aug 2013, 22:25
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Juz2play wrote:
Hi domfrancondumas! I hope this helps.

(C) The person who designed the Ultra 180 must have been a very patient person. Of three well known designers, Morris, Nieves, and Ott, who worked for the Ultra's when the Ultra 180 was designed, Morris and Ott were both impatient people. Therefore, Nieves is the only person who could have designed the Ultra 180. This choice is incorrect because the choice DOES NOT say there are only three designers who could design the Ultra 180. The choice just says that "Of three well known designers"; this implies that there can be other designers. Therefore, choice (C) is incorrect.

A) Whoever committed the burglary wore size nine shoes. Of the three suspects in custody, Jensen, Kapp and Lomax, neither Jensen nor Lomax could have worn size nine shoes. Of the three suspects in custody, therefore, nobody but Kapp could be the burglar. For choice (A), there are only three suspects that could be the burglar. This is similar reasoning to the argument in the question stem which states that there are only three possibilities. Thus, choice (A) is the correct answer.


Hi Juz2play..

Thanks for the quick reply.. nice explanation... :-D :-D
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Re: CR - Xa, Ye , Zi [#permalink] New post 19 Apr 2008, 21:56
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Between A and C. C looks better for me
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Re: CR - Xa, Ye , Zi [#permalink] New post 20 Apr 2008, 11:02
I think its C .

Iron and fire used to inscribe Vs Shoes( choice A ) Vs Patience ( choice C )

Shoes is just one finding associated with the burglary not essential for burglary while paitience was required to design the car.
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Re: CR - Xa, Ye , Zi [#permalink] New post 20 Apr 2008, 11:26
bsd_lover wrote:
Anthropologist : The culture responsible for the inscriptions at the site must have used fire to fashion iron implements. Of the Xa, Ye, Zi, the three cultures known to have inhabited this area surrounding this site, the Xa could obtain iron but could not use fire to fashion implements and the Ye had no access to iron. Therefore the Zi is the only culture known to be from the surrounding area that could have made these inscriptions.

The reasoning in which one of the following arguments most closely parallels the reasoning used in the argument :

A) Whoever committed the burglary wore size nine shoes. Of the three suspects in custody, Jensen, Kapp and Lomax, neither Jensen nor Lomax could have worn size nine shoes. Of the three suspects in custody, therefore, nobody but Kapp could be the burglar.

B) Anyone wishing to file a claim must first send a check and then visit the bureau. Of Quinn, Robins, and Su, Robins and Su each sent a check and visited the bureau, so Robins and Su can each file a claim.

C) The person who designed the Ultra 180 must have been a very patient person. Of three well known designers, Morris, Nieves, and Ott, who worked for the Ultra's when the Ultra 180 was designed, Morris and Ott were both impatient people. Therefore, Nieves is the only person who could have designed the Ultra 180.

D) Anyone aspiring to public office must have a quick wit and a ready smile. Of my friends Gail, Harry, and Ida, only Harry and Ida are aspiring to the public office, so only Harry and Ida could have both a quick wit and a ready smile.

E) Whoever wrote this letter to me signed it "Tony". Since I do not know anyone who signs letters with that name, the writer of this letter could only have been someone whom I do not know.


C. In my opinion, two premises do not quite relate to each other, and C fits that.
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Re: CR - Xa, Ye , Zi [#permalink] New post 20 Apr 2008, 15:02
Anthropologist : The culture responsible for the inscriptions at the site must have used fire to fashion iron implements. Of the Xa, Ye, Zi, the three cultures known to have inhabited this area surrounding this site, the Xa could obtain iron but could not use fire to fashion implements and the Ye had no access to iron. Therefore the Zi is the only culture known to be from the surrounding area that could have made these inscriptions.

The reasoning in which one of the following arguments most closely parallels the reasoning used in the argument :

A) Whoever committed the burglary wore size nine shoes. Of the three suspects in custody, Jensen, Kapp and Lomax, neither Jensen nor Lomax could have worn size nine shoes. Of the three suspects in custody, therefore, nobody but Kapp could be the burglar.

C) The person who designed the Ultra 180 must have been a very patient person. Of three well known designers, Morris, Nieves, and Ott, who worked for the Ultra's when the Ultra 180 was designed, Morris and Ott were both impatient people. Therefore, Nieves is the only person who could have designed the Ultra 180.


I was also stuck between A and C - chose C only because of the similar language used 'must have used fire to fashion iron implements' // 'must first send a check and then visit the bureau'
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Re: CR - Xa, Ye , Zi [#permalink] New post 20 Apr 2008, 15:09
Some excellent attempts here. I have the OA and OE handy, but I'll wait for more people before I put them out.
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Re: CR - Xa, Ye , Zi [#permalink] New post 20 Apr 2008, 22:48
bsd_lover,

this one is good. I have seen it before so wont put answer here.
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Re: CR - Xa, Ye , Zi [#permalink] New post 21 Apr 2008, 02:20
Wow there we go again. I love this climax ending for all CR questions. I went for answer option A (but somehow the 6th sense made me suspicious)! Will wait for the explanation.
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Re: CR - Xa, Ye , Zi [#permalink] New post 21 Apr 2008, 03:11
Whats the OA and OE ?
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Re: CR - Xa, Ye , Zi [#permalink] New post 21 Apr 2008, 05:09
Good discussion guys - OA is actually A. OE to follow...
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Re: CR - Xa, Ye , Zi [#permalink] New post 21 Apr 2008, 05:34
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Excellent OE !
+1 and +1 to carlson
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Re: CR - Xa, Ye , Zi [#permalink] New post 21 Apr 2008, 06:41
Good one Bsd_lover.Lsat have all kinds of questions,whether be parallel reasoning or infer questions.That too 26 questions in short span of time...indeed tough...
Re: CR - Xa, Ye , Zi   [#permalink] 21 Apr 2008, 06:41
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