CR-G-prep..i found it tough : GMAT Critical Reasoning (CR)
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# CR-G-prep..i found it tough

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31 May 2008, 13:17
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Re: CR-G-prep..i found it tough [#permalink]

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31 May 2008, 14:29
E - buses that would otherwise park and not give off exhaust fumes are instead drivign around the city thereby letting out exhaust which damages the buildings...now that some of those bus drivers can park, turn off engines, and not put out exhaust the damage caused by bus exhaust should decrease
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Re: CR-G-prep..i found it tough [#permalink]

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31 May 2008, 17:35
fresinha12 wrote:
..

The argument claims that "idling during each stop" is a killer responsible for the damage to the buiding-the cause of the polution. So you should focus on "idling", not on "other polution" in B, not "parking in E", not the number of tourists in D.

Only C. first you may confuse becasue C does not say directly on "idling". But C implies that tour buses spent more than 3/4 time idling each stop. So C strongly strenthens the argument.
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Re: CR-G-prep..i found it tough [#permalink]

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31 May 2008, 18:32
agree with sondenso.
C for me.
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Re: CR-G-prep..i found it tough [#permalink]

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31 May 2008, 20:51
Another C.

While E is tempting - the keyword "some" makes it easy to eliminate.
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Re: CR-G-prep..i found it tough [#permalink]

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31 May 2008, 21:40
CR in my own words: exhaust damage building. only at parking, there is no exhaust. Now more parking. So less idling. less exhaust.
Now strengthen this : Say all buses use parking effectively. Or there is a big need for parking.

A- Wrong
B- Third party. wrong
C -Correct. 3/4 of the time they can stay in parking zone. Our answer.
D -Wrong - No parking space mentioned. Not related to strengthening.
E - Weakening - Wrong.
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 06:21
i said this was tough...

OA is not C..
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 08:16
fresinha12 wrote:
i said this was tough...

OA is not C..

Still thinking ....
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 08:30
why have you all ruled out B??

doesnt B strengthen the argument??? cus if B wasnt true the argument would be really weak..
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01 Jun 2008, 08:51
fresinha12 wrote:
why have you all ruled out B??

doesnt B strengthen the argument??? cus if B wasnt true the argument would be really weak..

You definitely have a point. But, I think you reasoning is overlapping with 'identifying assumption' question. I mean B is one of the assumptions that author is making to draw the conclusion.
If B is right then,why not A. A is also an assumption.

Conclusion of the argument is "damage to X from the buses's exhaust will diminish significantly".
So, I thought A and B are a little out of scope from the bolded portion above, though I agree A and B are valid statements.
The only reason for eliminating B is , if B is right then A is also right. I thought this is a trap and eliminated both A and B.
I may be missing something here.
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 10:57
E is still the correct answer IMO. Only E suggests a definite reduction in the bus exhaust casuing damage to the buildings. We know with certainty (because the stimulus tells us as much) that there are bus drivers who drove around emitting bus exhaust that were searching for parking but could not find any thereby informing us that they would park if given the opportunity which would reduce their exhaust emissions.

Problems with other choices:

B - outside scope - stimulus and question only concerned with damage caused to buildings by bus exhaust (states this explicitly). Also, omits any mention of "other" pollutants and their possible effects on buildings.

C - while it tells us the bus drivers spend only 1/4 time driving tourists between sites, it does not tell us the bus drivers will reduce their output of exhaust by parking in the new facilities and turnign off engines. You cannot take this answert to imply that action.
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 11:27
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 11:30
11-t38292
11-t24413
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 11:45
In a short time on this forum I have encountered several Incorrect OAs.
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01 Jun 2008, 12:25
Definitely C...I just checked GMATPrep...I had this on test 1 and got it right.
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 13:23
OK..my gmatprep says OA is D...
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 18:13
fresinha12 wrote:
OK..my gmatprep says OA is D...

Kidding!

Pls attach the original screen with OA!
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Re: CR-G-prep..i found it tough [#permalink]

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01 Jun 2008, 19:33
i was going to...went back into my exam..and all i see on the verbal are questions i have never seen before...

gmatprep is buggy folks..but i can vouch that the OA is D..
Re: CR-G-prep..i found it tough   [#permalink] 01 Jun 2008, 19:33
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