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# Mayor: the commuters from the nearby suburb of Coldstream pe

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Magoosh GMAT Instructor
Joined: 28 Dec 2011
Posts: 4473
Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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13 Aug 2014, 16:46
2
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Difficulty:

15% (low)

Question Stats:

84% (01:25) correct 16% (01:39) wrong based on 259 sessions

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Mayor: the commuters from the nearby suburb of Coldstream perennially complain of a difficult commute to our downtown region. To address these concerns, we should install high-speed toll collector on the interstate between here and Coldstream, thus relieving any traffic snarls caused by the hand-operated toll booths.

Civil engineer: Over 95% of commuters from Coldstream take local roads, not the interstate, to our downtown region.

The civil engineer uses which of the following techniques in responding to the mayor?
(A) pointing out that the premise could lead to an opposing conclusion
(B) questioning whether the methods recommended would work in practice
(C) citing evidence that calls into question the assumption of the argument
(D) suggesting, by analogy, that the argument might not support the conclusion
(E) presenting evidence that the proposed solution would have damaging unforeseen consequences

For a discussion of GMAT CR Dialogue Structure questions, as well as the OE to this particular question, see:
http://magoosh.com/gmat/2013/gmat-cr-di ... questions/

Mike

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Mike McGarry
Magoosh Test Prep

Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)
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Re: Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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13 Aug 2014, 20:26
1
mikemcgarry wrote:
Mayor: the commuters from the nearby suburb of Coldstream perennially complain of a difficult commute to our downtown region. To address these concerns, we should install high-speed toll collector on the interstate between here and Coldstream, thus relieving any traffic snarls caused by the hand-operated toll booths.

Civil engineer: Over 95% of commuters from Coldstream take local roads, not the interstate, to our downtown region.

The civil engineer uses which of the following techniques in responding to the mayor?
(A) pointing out that the premise could lead to an opposing conclusion
(B) questioning whether the methods recommended would work in practice
(C) citing evidence that calls into question the assumption of the argument
(D) suggesting, by analogy, that the argument might not support the conclusion
(E) presenting evidence that the proposed solution would have damaging unforeseen consequences

For a discussion of GMAT CR Dialogue Structure questions, as well as the OE to this particular question, see:
http://magoosh.com/gmat/2013/gmat-cr-di ... questions/

Mike

Hey Mike u sure the OA is E and not C ??
If E then please explain .
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Re: Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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13 Aug 2014, 21:17
C seems best here: citing evidence that calls into question the assumption of the argument

E cannot be the answer as civil engineer is not talking about any unforeseen consequences
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Joined: 20 Aug 2012
Posts: 17
Re: Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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13 Aug 2014, 23:32
Hey Mike,

ARE YOU SURE OA is E

I think C seems much better as the civil engineer does not talk anything that may result damaging unforeseen consequences

Can you please throw some light on this and explain why the answer is E and Not "C"
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Joined: 02 Aug 2014
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Re: Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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14 Aug 2014, 01:34
C is right choice...

E is out of scope !!!
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Joined: 07 Jan 2013
Posts: 26
GMAT 1: 570 Q43 V26
GMAT 2: 610 Q47 V28
Re: Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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14 Aug 2014, 02:01
1
mikemcgarry wrote:
Mayor: the commuters from the nearby suburb of Coldstream perennially complain of a difficult commute to our downtown region. To address these concerns, we should install high-speed toll collector on the interstate between here and Coldstream, thus relieving any traffic snarls caused by the hand-operated toll booths.

Civil engineer: Over 95% of commuters from Coldstream take local roads, not the interstate, to our downtown region.

The civil engineer uses which of the following techniques in responding to the mayor?
(A) pointing out that the premise could lead to an opposing conclusion
(B) questioning whether the methods recommended would work in practice
(C) citing evidence that calls into question the assumption of the argument
(D) suggesting, by analogy, that the argument might not support the conclusion
(E) presenting evidence that the proposed solution would have damaging unforeseen consequences

For a discussion of GMAT CR Dialogue Structure questions, as well as the OE to this particular question, see:
http://magoosh.com/gmat/2013/gmat-cr-di ... questions/

Mike

From Magoosh's Blog, the OA is C.
Magoosh GMAT Instructor
Joined: 28 Dec 2011
Posts: 4473
Re: Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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14 Aug 2014, 12:46
3
SaudKhan wrote:
Hey Mike u sure the OA is E and not C ??

C seems best here: citing evidence that calls into question the assumption of the argument

E cannot be the answer as civil engineer is not talking about any unforeseen consequences

abhishekhurkat wrote:
Hey Mike,

ARE YOU SURE OA is E

I think C seems much better as the civil engineer does not talk anything that may result damaging unforeseen consequences

Can you please throw some light on this and explain why the answer is E and Not "C"

AmithKumarSingh wrote:
C is right choice...

E is out of scope !!!

Apologies to all. Of course, the answer is (C). Of course, (E) is wrong. When I copied the problem from the blog, apparently I made a mistake in transferring the OA. In the process of shuttling back and forth between two different web pages, sometimes it's easy to make such a simple copying error.

I would say kassim was the most resourceful here, actually checking the original blog to see if such a simple transfer mistake had been made. There's always value in checking your suspicions against an original source. That's an example of taking initiative, which often reaps rewards in the business world.

Mike
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Mike McGarry
Magoosh Test Prep

Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)
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Re: Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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23 Nov 2015, 23:04
C and D were close. Finally selected C. 1:40. Rejected D, coz realised that there was no analogy.
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Posts: 1716
Re: Mayor: the commuters from the nearby suburb of Coldstream pe  [#permalink]

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08 Aug 2018, 18:34

Official Explanation

The mayor suggesting a plan, assuming that most commuters from Coldstream take the interstate. The civil engineer cites data demonstrating that this is not true. The credited answer is (C) --- what the civil engineer cites is evidence, and it contradicts an assumption of the mayor's argument.

The civil engineer cites new data: that is, she adds something new to the argument. She doesn't criticize anything about the structure of the mayor's argument. That's why (A) is incorrect.

Choice (B) is intriguing: if this were correct, it would imply that the civil engineer agreed with the mayor in theory, and was disagreeing about the way something theoretical would play out in practice. That's simply not the case in this question.

The civil engineer is not making any analogy whatsoever: she is citing cold, hard data! That's why (D) is incorrect.

The mayor wants to solve a problem, and the civil engineer simply points out data that suggests that the mayor's solution won't solve the problem. The current problem remains unsolved, but no new bad thing is predicted. That's why (E) is incorrect.
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Re: Mayor: the commuters from the nearby suburb of Coldstream pe   [#permalink] 08 Aug 2018, 18:34
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