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Trucks vs. Railroads

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Trucks vs. Railroads  [#permalink]

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New post 04 Jun 2016, 16:27
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Could someone please help me with this IR question from GMAT Exam Prep 2?

Why is part 1 not "Can be determined"? Isn't it 30% from the passage?
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Re: Trucks vs. Railroads  [#permalink]

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New post 06 Jun 2016, 19:17
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It seems to be all semantics (or word choice) to me. The paragraph talks about the 30% of revenue the railroads contributed to tracks, bridges and tunnels, while the question asks about tracks and machinery.
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Re: Trucks vs. Railroads  [#permalink]

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New post 06 Jun 2016, 21:31
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Hi,

The argument states that the railroads reinvested approximately 30% of their total revenue on tracks and machinery.

Approximately 30% means that the answer can take any value between 25% and 34%. So we cannot infer the exact percentage. Answer is 'Cannot be Determined'.
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Re: Trucks vs. Railroads  [#permalink]

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New post 07 Jun 2016, 16:29
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Vyshak wrote:
Hi,

The argument states that the railroads reinvested approximately 30% of their total revenue on tracks and machinery.

Approximately 30% means that the answer can take any value between 25% and 34%. So we cannot infer the exact percentage. Answer is 'Cannot be Determined'.


How confident are you on this? I want to make sure I watch out for this trap in the future if this is in fact the correct rationale for this being "Cannot be Determined" and there is no other reason.

alexmicah wrote:
It seems to be all semantics (or word choice) to me. The paragraph talks about the 30% of revenue the railroads contributed to tracks, bridges and tunnels, while the question asks about tracks and machinery.


I think this is incorrect because the next sentence does specify "tracks and machinery" when talking about the percent of revenue spent.
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Re: Trucks vs. Railroads  [#permalink]

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New post 14 Jun 2016, 02:22
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GinGMAT wrote:
Could someone please help me with this IR question from GMAT Exam Prep 2?

Why is part 1 not "Can be determined"? Isn't it 30% from the passage?


The question ask only for "maintain" the tracks and machinery, where as in the passage it is maintain and improve.
Hence it cannot be determined.
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Re: Trucks vs. Railroads  [#permalink]

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New post 14 Jun 2016, 07:53
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nayanparikh wrote:
GinGMAT wrote:
Could someone please help me with this IR question from GMAT Exam Prep 2?

Why is part 1 not "Can be determined"? Isn't it 30% from the passage?


The question ask only for "maintain" the tracks and machinery, where as in the passage it is maintain and improve.
Hence it cannot be determined.


Yeah I was leaning towards this explanation too. Still seems to be very nit-picky.
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Re: Trucks vs. Railroads  [#permalink]

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New post 20 Jun 2016, 14:54
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GinGMAT wrote:
nayanparikh wrote:
GinGMAT wrote:
Could someone please help me with this IR question from GMAT Exam Prep 2?

Why is part 1 not "Can be determined"? Isn't it 30% from the passage?


The question ask only for "maintain" the tracks and machinery, where as in the passage it is maintain and improve.
Hence it cannot be determined.


Yeah I was leaning towards this explanation too. Still seems to be very nit-picky.



the above reasoning is correct .Approximately doesn't have any role here.
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Re: Trucks vs. Railroads  [#permalink]

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New post 30 Jun 2016, 10:36
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GinGMAT wrote:
Could someone please help me with this IR question from GMAT Exam Prep 2?

Why is part 1 not "Can be determined"? Isn't it 30% from the passage?

1.Can't
2.Can't
3.Can
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Re: Trucks vs. Railroads  [#permalink]

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New post 21 Aug 2016, 08:19
GinGMAT wrote:
Could someone please help me with this IR question from GMAT Exam Prep 2?

Why is part 1 not "Can be determined"? Isn't it 30% from the passage?


I made the same mistake. I believe the passage says from year X to Y, where the statement says the machinery from From X to Y.
2 different meanings hence cannot be determined.
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Re: Trucks vs. Railroads  [#permalink]

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New post 27 Sep 2016, 14:10
hsbinfy wrote:

The question ask only for "maintain" the tracks and machinery, where as in the passage it is maintain and improve.
Hence it cannot be determined.

the above reasoning is correct .Approximately doesn't have any role here.


Agree with this. If we use the "Approximate" logic, we will not be able to determine answer to the 3rd question.
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Re: Trucks vs. Railroads  [#permalink]

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New post 14 Jan 2017, 16:16
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This is a stupid question. What is the difference between "maintain" and "improve"? Can improving the tracks not also be considered a form of maintenance? I don't understand what the GMAT is going for with these questions...
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Re: Trucks vs. Railroads  [#permalink]

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New post 17 Jun 2017, 08:27
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GinGMAT wrote:
nayanparikh wrote:
GinGMAT wrote:
Could someone please help me with this IR question from GMAT Exam Prep 2?

Why is part 1 not "Can be determined"? Isn't it 30% from the passage?


The question ask only for "maintain" the tracks and machinery, where as in the passage it is maintain and improve.
Hence it cannot be determined.


Yeah I was leaning towards this explanation too. Still seems to be very nit-picky.



well in two minutes and under pressure :roll:

don't worry... who cares about IR
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Re: Trucks vs. Railroads  [#permalink]

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New post 24 Dec 2017, 07:56
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testprepabc wrote:
hsbinfy wrote:

The question ask only for "maintain" the tracks and machinery, where as in the passage it is maintain and improve.
Hence it cannot be determined.

the above reasoning is correct .Approximately doesn't have any role here.


Agree with this. If we use the "Approximate" logic, we will not be able to determine answer to the 3rd question.

I disagree, the third question specifically requests for approximate figure....
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Re: Trucks vs. Railroads  [#permalink]

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New post 10 Jun 2018, 12:06
Folks,

This is a very odd question. Don't worry about it much. The only explanation is "maintain" vs "maintain and improve". Usually IR questions are not this weird. Just make sure you pay attention to detail in general.
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Re: Trucks vs. Railroads  [#permalink]

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New post 22 Jul 2018, 21:49
Another question from the same set

Please let me know if anyone is able to figure out how to solve this question.

Thanks in advance.
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Re: Trucks vs. Railroads  [#permalink]

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New post 28 Jul 2018, 05:46
It says " Approximately" 30 % . If you look at the 3rd question it asks "Approximately how much revenue? " Hence, the first one is cannot be determined and the 3rd one can be determined.
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Re: Trucks vs. Railroads  [#permalink]

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New post 18 Aug 2018, 16:22
sk1007 wrote:
Another question from the same set

Please let me know if anyone is able to figure out how to solve this question.

Thanks in advance.


Hi Sk1007,

the answer to this one is as follows:

The latter part of the paragraph under the "rail advocate" section states that "shifting 10 percent of the long-distance freight that currently moves only by truck to rail instead would save 4 billion liters of fuel per year". The question is asking for "the total amount of fuel that would be saved in the next 5 years if half of the long-haul freight that currently moves by truck were instead moved by train".

So if 10% conversion equals 4 billion saved per year, then 50% conversion (as the question asks for "half") would saved 5x, or 20 billion liters per year, and over 5 years this would constitute 20*5 = 100 billion liters saved in total.

Hope this helps.
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Re: Trucks vs. Railroads  [#permalink]

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New post 23 Aug 2018, 06:39
sk1007 wrote:
Another question from the same set

Please let me know if anyone is able to figure out how to solve this question.

Thanks in advance.


Shifting 10% saves 4 billion per year, therefore 50% saves 20 billion per year. Over a five year period that is 5 * 20 = 100 billion
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Re: Trucks vs. Railroads &nbs [#permalink] 23 Aug 2018, 06:39
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