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the commuters from the nearby suburb of Coldstream perennial

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Magoosh GMAT Instructor
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the commuters from the nearby suburb of Coldstream perennial [#permalink]

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New post 29 Jul 2013, 12:42
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76% (00:57) correct 24% (01:11) wrong based on 170 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 more on dialogue structure questions, as well as a full explanation of this question, see
http://magoosh.com/gmat/2013/gmat-cr-di ... questions/

Mike :-)
[Reveal] Spoiler: OA

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Mike McGarry
Magoosh Test Prep

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Kudos [?]: 8997 [1], given: 113

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Re: the commuters from the nearby suburb of Coldstream perennial [#permalink]

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New post 29 Jul 2013, 20:12
The conclusion states that commuters have a difficult commute to the downtown region. The assumption by the mayor is traffic snarls cause is the root cause and hence suggests installing high speed toll collector to ease such traffic. However, the civil engineer cites that overwhelmingly, commuters travel by the local road. Thus since traffic snarls is not the main worrying factor, the basic assumption of the mayor is flawed.

Hence option C.



Regards

Argha

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Re: the commuters from the nearby suburb of Coldstream perennial [#permalink]

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New post 07 Nov 2017, 01:34
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: the commuters from the nearby suburb of Coldstream perennial   [#permalink] 07 Nov 2017, 01:34
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