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Advertisement in the Harptown Train Station:... [#permalink]

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New post 03 Oct 2013, 05:31
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00:00
A
B
C
D
E

Difficulty:

  85% (hard)

Question Stats:

46% (02:34) correct 54% (01:26) wrong based on 272 sessions

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Advertisement in the Harptown Train Station:

The Harptown Transport Society reports that the Silver Bullet train has the fewest delays per rush-hour period
of any high-speed train. This shows that the Silver Bullet train is one of the most efficient trains currently in use.

Which of the following, if true, most seriously weakens the argument in the advertisement?

(A) The Harptown Transport Society report listed many non-high-speed trains in other metropolitan areas
that were more frequently delayed than the Silver Bullet train.

(B) In recent years more travelers have regularly ridden the Silver Bullet train than any other high-speed train.

(C) High-speed trains are more likely to be delayed during rush hour than any other type of train.

(D) The difference between the number of delays on the Silver Bullet train and that for other high-speed trains
is quite pronounced.

(E) The Harptown Transport Society updates its findings regarding train delays only once a year.


Source: GMAT Hacks - 091713
[Reveal] Spoiler: OA

Last edited by avohden on 07 Oct 2013, 09:44, edited 4 times in total.
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Re: Advertisement in the Harptown Train Station:... [#permalink]

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New post 03 Oct 2013, 06:33
Imo c
Silver bullet train ( high speed train) is the most efficient of all trains.

C says that high speed trains are more likely than any other type of train to get delayed clearly weakens it

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Re: Advertisement in the Harptown Train Station:... [#permalink]

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New post 03 Oct 2013, 06:37
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Official Explanation

Answer: C This is a classic example of a scope shift. The evidence (the first sentence) compares the Silver Bullet to other "high-speed trains." The conclusion compares it to all trains. Just because a train has few delays relative to other high-speed trains doesn't mean it has few delays (or is "efficient") compared to ALL trains. Look for a choice that points out the scope shift. Choice (C) does that. If high-speed trains are often delayed, then argument is weakened. It exposes the flaw in the argument, which is along the lines of "Alex is the smartest ‘D' student in the class." (C) is correct.
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Re: Advertisement in the Harptown Train Station:... [#permalink]

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Sometimes thinking too hard can also be deleterious. C was an obvious choice. I thought really hard and switched to A. :(
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Re: Advertisement in the Harptown Train Station:... [#permalink]

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New post 02 Feb 2014, 13:52
avohden wrote:
Advertisement in the Harptown Train Station:

The Harptown Transport Society reports that the Silver Bullet train has the fewest delays per rush-hour period
of any high-speed train. This shows that the Silver Bullet train is one of the most efficient trains currently in use.

Which of the following, if true, most seriously weakens the argument in the advertisement?

(A) The Harptown Transport Society report listed many non-high-speed trains in other metropolitan areas
that were more frequently delayed than the Silver Bullet train.

(B) In recent years more travelers have regularly ridden the Silver Bullet train than any other high-speed train.

(C) High-speed trains are more likely to be delayed during rush hour than any other type of train.

(D) The difference between the number of delays on the Silver Bullet train and that for other high-speed trains
is quite pronounced.

(E) The Harptown Transport Society updates its findings regarding train delays only once a year.


Source: GMAT Hacks - 091713


C and E are the only obvious.

for me E is better.

The Harptown Transport Society updates its findings regarding train delays only once a year ==> Then it is not a current observation, but an observation based on last year data...

Perhaps C weakens better...
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Re: Advertisement in the Harptown Train Station:... [#permalink]

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New post 15 Dec 2014, 07:48
Paris75 wrote:
avohden wrote:
Advertisement in the Harptown Train Station:

The Harptown Transport Society reports that the Silver Bullet train has the fewest delays per rush-hour period
of any high-speed train. This shows that the Silver Bullet train is one of the most efficient trains currently in use.

Which of the following, if true, most seriously weakens the argument in the advertisement?

(A) The Harptown Transport Society report listed many non-high-speed trains in other metropolitan areas
that were more frequently delayed than the Silver Bullet train.

(B) In recent years more travelers have regularly ridden the Silver Bullet train than any other high-speed train.

(C) High-speed trains are more likely to be delayed during rush hour than any other type of train.

(D) The difference between the number of delays on the Silver Bullet train and that for other high-speed trains
is quite pronounced.

(E) The Harptown Transport Society updates its findings regarding train delays only once a year.


Source: GMAT Hacks - 091713


C and E are the only obvious.

for me E is better.

The Harptown Transport Society updates its findings regarding train delays only once a year ==> Then it is not a current observation, but an observation based on last year data...

Perhaps C weakens better...


I think C is definitely better. It's a classic example of scope shift, where they are applying findings in a very specific case and generalizing to encompass all cases.

E is possible, but not the best.
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Re: Advertisement in the Harptown Train Station:... [#permalink]

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New post 15 Jun 2016, 13:24
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Re: Advertisement in the Harptown Train Station:... [#permalink]

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New post 15 Jun 2016, 18:19
avohden wrote:
Advertisement in the Harptown Train Station:

The Harptown Transport Society reports that the Silver Bullet train has the fewest delays per rush-hour period
of any high-speed train. This shows that the Silver Bullet train is one of the most efficient trains currently in use.

Which of the following, if true, most seriously weakens the argument in the advertisement?

(A) The Harptown Transport Society report listed many non-high-speed trains in other metropolitan areas
that were more frequently delayed than the Silver Bullet train.

(B) In recent years more travelers have regularly ridden the Silver Bullet train than any other high-speed train.

(C) High-speed trains are more likely to be delayed during rush hour than any other type of train.

(D) The difference between the number of delays on the Silver Bullet train and that for other high-speed trains
is quite pronounced.

(E) The Harptown Transport Society updates its findings regarding train delays only once a year.


Source: GMAT Hacks - 091713


Can Narrow it down to C & E.

But C creates ambiguity as it states "High-speed trains are more likely to be delayed during rush hour than any other type of train".This tells us that even though high speed trains are delayed during rush hours,Silver bullet has the fewest delays during that time.Clearly,silver bullet is more efficient than any other train as it has fewer delays even though fast trains are delayed.

IMO E is the right choice.
Re: Advertisement in the Harptown Train Station:...   [#permalink] 15 Jun 2016, 18:19
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