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Ever since Mayor May Knott’s publicity campaign for Springfield's new

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Ever since Mayor May Knott’s publicity campaign for Springfield's new [#permalink]

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New post 30 Dec 2017, 22:40
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  5% (low)

Question Stats:

87% (01:15) correct 13% (00:56) wrong based on 76 sessions

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Ever since Mayor May Knott’s publicity campaign for Springfield's new express subway service began last year, car traffic in the city’s crowded uptown decreased 10 percent. In that same year, there was an equivalent increase in the number of people riding subways uptown. Clearly, the mayor’s publicity campaign persuaded many people to ride subways rather than drive their cars.

Which of the following, if true, casts the most serious doubt on the passage’s conclusion?

A. New car prices have risen about 12 percent over the last year.
B. The mayor commutes uptown to City Hall daily on the subway.
C. Over the last year, pothole repairs have closed many lanes on roads leading uptown, which were previously used by commuters.
D. The total number of subway trains that come uptown in the mornings has stayed exactly the same as it was one year ago.
E. Surveys reveal that city residents who had been riding available subways for years were no more satisfied with subway service than they were a year ago, before the publicity campaign began.
[Reveal] Spoiler: OA

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Re: Ever since Mayor May Knott’s publicity campaign for Springfield's new [#permalink]

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New post 02 Jan 2018, 05:48
the conclusion says : adv. campaign was responsible for decrease congestion
pre-thinking :an alternate cause will weaken the argument
A.New car prices have risen about 12 percent over the last year.< wrong: car prices may lead to low buying but not reduce the existing cars >
B. The mayor commutes uptown to City Hall daily on the subway.<irrelevant >
C. Over the last year, pothole repairs have closed many lanes on roads leading uptown, which were previously used by commuters.< correct shows the main reason was unavailability of the uptown roads that led to using of public transport>
D. The total number of subway trains that come uptown in the mornings has stayed exactly the same as it was one year ago.<irrelevant>
E. Surveys reveal that city residents who had been riding available subways for years were no more satisfied with subway service than they were a year ago, before the publicity campaign began.< mood of the existing customers not important hence wrong >
Re: Ever since Mayor May Knott’s publicity campaign for Springfield's new   [#permalink] 02 Jan 2018, 05:48
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Ever since Mayor May Knott’s publicity campaign for Springfield's new

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