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Guidebook writer: I have visited hotels throughout the

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Guidebook writer: I have visited hotels throughout the [#permalink] New post 29 Sep 2007, 10:13
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

71% (02:17) correct 29% (01:29) wrong based on 14 sessions
Guidebook writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built
subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.
B. Hotels built since 1930 can generally accommodate more guests than those built before 1930.
C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.
D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.
E. The average length of apprenticeship for carpenters has declined significantly since 1930.

I picked E.........assumption over here is quality requires skill, care, and effort, which is relatively lesser in post 1930 carpenters...need to weaken the assumption.....so followed X not causing Y it's Z causing Y...views plz???
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 [#permalink] New post 29 Sep 2007, 18:45
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IMO D

It can be inferred from the statement that only the best of the best hotels built before 1930 are still around, the rest are demolished. Thus, the author did not get to see the full quality spectrum of hotels built before 1930.
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Re: CR - SET 23 Q2 [#permalink] New post 29 Sep 2007, 18:57
singh_amit19 wrote:
Guidebook writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built
subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.
B. Hotels built since 1930 can generally accommodate more guests than those built before 1930.
C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.
D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.
E. The average length of apprenticeship for carpenters has declined significantly since 1930.

I picked E.........assumption over here is quality requires skill, care, and effort, which is relatively lesser in post 1930 carpenters...need to weaken the assumption.....so followed X not causing Y it's Z causing Y...views plz???


Between C and E, I pick E and agree with you.

C is strengthening the arg by eliminating differences in material.
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 [#permalink] New post 29 Sep 2007, 20:11
gmatnub wrote:
IMO D

It can be inferred from the statement that only the best of the best hotels built before 1930 are still around, the rest are demolished. Thus, the author did not get to see the full quality spectrum of hotels built before 1930.


BINGO.............OA is D
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Re: CR - SET 23 Q2 [#permalink] New post 29 Sep 2007, 20:15
singh_amit19 wrote:
Guidebook writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built
subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.
B. Hotels built since 1930 can generally accommodate more guests than those built before 1930.
C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.
D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.
E. The average length of apprenticeship for carpenters has declined significantly since 1930.

I picked E.........assumption over here is quality requires skill, care, and effort, which is relatively lesser in post 1930 carpenters...need to weaken the assumption.....so followed X not causing Y it's Z causing Y...views plz???


This is clearly D.

D explains that it wasn't that all carpenters were better skilled and worked harder, but that the buildings remaining in acceptable shape were built of higher quality.

E: This is a very weak choice. It seems to weaken the conclusion, but perhaps apprenticeships for would-be carpenters does not need to be as long as before.
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Re: CR - SET 23 Q2 [#permalink] New post 29 Sep 2007, 21:35
GMATBLACKBELT wrote:
singh_amit19 wrote:
Guidebook writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built
subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

A. The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.
B. Hotels built since 1930 can generally accommodate more guests than those built before 1930.
C. The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.
D. The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.
E. The average length of apprenticeship for carpenters has declined significantly since 1930.

I picked E.........assumption over here is quality requires skill, care, and effort, which is relatively lesser in post 1930 carpenters...need to weaken the assumption.....so followed X not causing Y it's Z causing Y...views plz???


This is clearly D.

D explains that it wasn't that all carpenters were better skilled and worked harder, but that the buildings remaining in acceptable shape were built of higher quality.

E: This is a very weak choice. It seems to weaken the conclusion, but perhaps apprenticeships for would-be carpenters does not need to be as long as before.


Great man!
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Re: CR - SET 23 Q2 [#permalink] New post 13 Aug 2009, 18:22
I ve attempted this question before, so i know it is a D

but on the actual test, I would have picked E the first time
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Re: CR - SET 23 Q2 [#permalink] New post 23 Aug 2009, 00:32
superd question guys and great analysis .. thanks ..
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Re: CR - SET 23 Q2 [#permalink] New post 23 Aug 2009, 00:42
GMATBLACKBELT wrote:
singh_amit19 wrote:
I picked E.........assumption over here is quality requires skill, care, and effort, which is relatively lesser in post 1930 carpenters...need to weaken the assumption.....so followed X not causing Y it's Z causing Y...views plz???


This is clearly D.

D explains that it wasn't that all carpenters were better skilled and worked harder, but that the buildings remaining in acceptable shape were built of higher quality.

E: This is a very weak choice. It seems to weaken the conclusion, but perhaps apprenticeships for would-be carpenters does not need to be as long as before.




Do you mean: that the viewer has only see few good buildings from the past as all others were demolished because they were not good. So we cant say about carpenters work from the past.

Am i correct in my understanding?
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Re: CR - SET 23 Q2 [#permalink] New post 26 Jul 2011, 00:55
for D...if the original carpentry work is better before 1930 than since 1930, then why can't we conclude that the worker before 1930 is better than that after 1930? Even the less quality carpentry could be demolished, we can still get that conclusion since worse carpentry is easier to be demolished...

can anyone help me on this?
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Re: CR - SET 23 Q2 [#permalink] New post 26 Jul 2011, 02:10
My take is D.
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Re: Guidebook writer: I have visited hotels throughout the [#permalink] New post 08 Feb 2013, 05:39
WHY b IS WRONG:

B can be a weakener if we assump that more guests make carpentry works degrade sooner.

the situation in which weakener needs assumption is recognized on many og questions. So, E is correct.

what gmat want to teach us here.?

the following from og ilustrate the case in which the weakener requiring an assumption is recognized.

Unlike the wholesale price of raw wool, the wholesale price of raw cotton has fallen considerably in the last Year. Thus, although the retail price of cotton clothing at retail cloting stores has not yet fallen, it will inevitably fall.
Which of the following, if true, most seriously weakens the argument above?

A. The cost of processing raw cotton for cloth has increased during the last Year.
B. The wholesale price is typically higher than that of the same volume of raw cotton.
C. The operating costs of the average retail cloting store have remained constant during the last year.
D. Changes in retail prices always lag behind changes in wholesale prices.
E. The cost of harvesting raw cotton has increased in the last year.


pls help. this is og problems and never, never underestimate the og problem. There is somtheing hard which we have not got here.
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Re: Guidebook writer: I have visited hotels throughout the [#permalink] New post 08 Feb 2013, 08:04
gmatnub has presented the best explanation here - It can be inferred from the statement that only the best of the best hotels built before 1930 are still around, the rest are demolished. Thus, the author did not get to see the full quality spectrum of hotels built before 1930.

But I also agree with tejal777 - It's tough to ignore E.
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Re: Guidebook writer: I have visited hotels throughout the   [#permalink] 08 Feb 2013, 08:04
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