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# Many banks have a drive-through automated teller machine,

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Many banks have a drive-through automated teller machine, [#permalink]

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19 Nov 2012, 10:02
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Many banks have a drive-through automated teller machine, built into the wall flanking the driver's side of a narrow aisle. Even though blind people obviously do not drive, these machines nonetheless invariably feature Braille – the system of raised dots used by the blind for reading and writing – in addition to the standard letters and numerals on their control panels.

Which of the following, if true, does the most to explain the situation described?

a)In most automobiles, the rear windows on the driver's side only roll down about halfway.
b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write.
c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing.
d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine.
e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine.

This has been the strangest question ever faced by me.

OA
[Reveal] Spoiler:
Let us first have some discussion on it.
[Reveal] Spoiler: OA

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19 Nov 2012, 23:47
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Marcab wrote:
Many banks have a drive-through automated teller machine, built into the wall flanking the driver's side of a narrow aisle. Even though blind people obviously do not drive, these machines nonetheless invariably feature Braille – the system of raised dots used by the blind for reading and writing – in addition to the standard letters and numerals on their control panels.

Which of the following, if true, does the most to explain the situation described?

a)In most automobiles, the rear windows on the driver's side only roll down about halfway.
b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write.
c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing.
d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine.
e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine.

This has been the strangest question ever faced by me.

OA
[Reveal] Spoiler:
Let us first have some discussion on it.

It's a resolve the paradox question and honestly, not very tough if you are quick to connect things from your life together.
- Most banks have drive-thru ATMs - you take your car next to the ATM and only the driver's side can access the machine since there is no space for someone to open the door and get down from the car.
- These ATMs feature Braille.

Now obviously, blind people do not drive so why do these ATMs feature Braille? Let's find out what can explain this.

a)In most automobiles, the rear windows on the driver's side only roll down about halfway.
This implies that people sitting behind the driver's seat also cannot access the ATM i.e. only the driver can access the ATM machine. This doesn't help resolve the paradox.

b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write.
If people who are allowed to drive do not use Braille, then we are back at the paradox - why is Braille featured on these ATMs?

c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing.
Irrelevant to the argument.

d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine.
Even if a feature doesn't add much to the cost, why would you add it if it has no value? Just because something is cheap, you don't buy it if it is useless for you. If you wear size 6, you won't buy a size 16 just because it is available at 50% off until and unless you are planning to gift to a friend i.e. it has some value for you. Hence, it doesn't help resolve the paradox. It doesn't tell you why Braille is featured at a place where it has no use.

e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine.
Doesn't this remind you of something you see on a daily basis? Cars! If you notice, all models of cars except the highest one has blank buttons i.e. buttons that don't do anything. Ever wondered why? Because car manufacturers make one standard interiors model. They have to put buttons for all the features given in the highest end model. In the lower models, you get blank buttons since some features are missing in them. This is the same concept. To maximize profit, only one model of ATMs is made. Braille has to be featured on other ATMs which are not drive through because they are accessed by blind people. Hence all ATMs feature Braille whether they are put in drive thrus or in regular kiosks. This resolves our paradox.

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Get started with Veritas Prep GMAT On Demand for $199 Veritas Prep Reviews Moderator Joined: 02 Jul 2012 Posts: 1223 Location: India Concentration: Strategy GMAT 1: 740 Q49 V42 GPA: 3.8 WE: Engineering (Energy and Utilities) Followers: 124 Kudos [?]: 1483 [1] , given: 116 Re: Braille ATMs [#permalink] ### Show Tags 19 Nov 2012, 11:46 1 This post received KUDOS 1 This post was BOOKMARKED Many banks have a drive-through automated teller machine, built into the wall flanking the driver's side of a narrow aisle. Even though blind people obviously do not drive, these machines nonetheless invariably feature Braille – the system of raised dots used by the blind for reading and writing – in addition to the standard letters and numerals on their control panels. Which of the following, if true, does the most to explain the situation described? a)In most automobiles, the rear windows on the driver's side only roll down about halfway. Clearly out of scope. b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write. This statement throws the situation into further confusion. If people whom one might imagine to be drivers as well as poor sighted do not use braille then why is it there?? c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing.Does not provide an explanation for why a machine meant for car drivers has braille lettering. d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine.This option seems to address the point. However, just the fact that they cost the same to manufacture does not explain why they have fitted ATM machines with braille lettering at a place meant for car drivers. e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine. IMO. This clearly addresses the point. If there is only a single model in production then we have a reason for why there are machines with braille in a place meant for car drivers. Regardless of the location that the machines are going to be fitted at all machines will be having braille lettering. The "in order to maximize profits" part is irrelevant. Kudos Please... If my post helped. _________________ Did you find this post helpful?... Please let me know through the Kudos button. Thanks To The Almighty - My GMAT Debrief GMAT Reading Comprehension: 7 Most Common Passage Types Veritas Prep GMAT Instructor Joined: 16 Oct 2010 Posts: 7370 Location: Pune, India Followers: 2282 Kudos [?]: 15085 [1] , given: 224 Re: Braille ATMs [#permalink] ### Show Tags 22 Jan 2013, 21:37 1 This post received KUDOS Expert's post Sachin9 wrote: Hi Karishma, I chose A as well.. I actually thought that since windows roll down atleast halfway, you could reach the buttons.. The wording should make you aware of a trap. 'windows roll down ONLY half way...'. It kind of implies that the ATM isn't exactly within reach of a person sitting next to the rear window on the driver's side. If the logic were that blind people sitting behind the driver need to operate, the option would have said something like 'the ATM can be easily accessed by the person sitting next to the rear window on the driver's side' I hope the correct option makes sense now. _________________ Karishma Veritas Prep | GMAT Instructor My Blog Get started with Veritas Prep GMAT On Demand for$199

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Re: Many banks have a drive-through automated teller machine, [#permalink]

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28 Nov 2015, 11:17
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I didn't like paradox types of questions before, probably because I did not how to crack them. Luckily, now I understand the technique that needs to be used to solve the paradox questions.

the correct answer should present new information, so that when imputed in the magic formula, would help solve the paradox:

Because (correct answer choice), the ATM's at the drive through have B for blind people, although blind people do not drive at all.

during my pre-thinking, i ID'ed few possible answers which would provide an alternate explanation:
a) blind people use ATM's while they are passengers;
b) banks use the same ATM's everywhere to not spend more $on manufacturing special ATM's for drive through. Let's get to the answer choices: a)In most automobiles, the rear windows on the driver's side only roll down about halfway. if rear windows roll down only 1/2, then clearly blind people would not be using atm's while being passenger. This raises more questions rather than clarifying the paradox b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write. if they do not use B to read/write, then it is illogical to have B on the ATM's, and thus raises more questions why B is on the ATM's. c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing. this is irrelevant, and does not help solve the paradox. d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine. if there are actually costs, then why would they do so? illogical. e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine. aha! what I was thinking about! only 1 model is used for all atm's, and thus, the paradox is explained. Moderator Joined: 02 Jul 2012 Posts: 1223 Location: India Concentration: Strategy GMAT 1: 740 Q49 V42 GPA: 3.8 WE: Engineering (Energy and Utilities) Followers: 124 Kudos [?]: 1483 [0], given: 116 Re: Braille ATMs [#permalink] ### Show Tags 19 Nov 2012, 10:43 I agree... Quite a tough one as well.. But I would go with E. This option does the best to explain why a drive thru atm would have braille letters. Kudos Please... If my post helped. _________________ Did you find this post helpful?... Please let me know through the Kudos button. Thanks To The Almighty - My GMAT Debrief GMAT Reading Comprehension: 7 Most Common Passage Types VP Status: Been a long time guys... Joined: 03 Feb 2011 Posts: 1382 Location: United States (NY) Concentration: Finance, Marketing GPA: 3.75 Followers: 178 Kudos [?]: 1462 [0], given: 62 Re: Braille ATMs [#permalink] ### Show Tags 20 Nov 2012, 00:02 Hey Karishma. Thanks for the fantastic example. Undertood even the roots of the question. In fact I chose A, because I thought that since, driver side rear windows roll down to halfway only, therefore the passenger may not be ale to see very clearly and hence using the Braille, can access the ATM. Did I assumed a lot? _________________ Veritas Prep GMAT Instructor Joined: 16 Oct 2010 Posts: 7370 Location: Pune, India Followers: 2282 Kudos [?]: 15085 [0], given: 224 Re: Braille ATMs [#permalink] ### Show Tags 20 Nov 2012, 00:40 Marcab wrote: Hey Karishma. Thanks for the fantastic example. Undertood even the roots of the question. In fact I chose A, because I thought that since, driver side rear windows roll down to halfway only, therefore the passenger may not be ale to see very clearly and hence using the Braille, can access the ATM. Did I assumed a lot? There was a gap in understanding. To use Braille, you need to use the same buttons as used by regular people. Since windows roll down only half way, you can't reach the buttons. _________________ Karishma Veritas Prep | GMAT Instructor My Blog Get started with Veritas Prep GMAT On Demand for$199

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Re: Many banks have a drive-through automated teller machine, [#permalink]

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24 Jan 2013, 23:47
Marcab wrote:
Many banks have a drive-through automated teller machine, built into the wall flanking the driver's side of a narrow aisle. Even though blind people obviously do not drive, these machines nonetheless invariably feature Braille – the system of raised dots used by the blind for reading and writing – in addition to the standard letters and numerals on their control panels.

Which of the following, if true, does the most to explain the situation described?

a)In most automobiles, the rear windows on the driver's side only roll down about halfway.
b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write.
c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing.
d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine.
e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine.

This has been the strangest question ever faced by me.

OA
[Reveal] Spoiler:
Let us first have some discussion on it.

Drive through has a ATM with braille, but why would you need an ATM with braille. A blind driver cannot drive, so why bother putting in an ATM to accommodate him or her?

The answer I formulated was as follows:

Most of the drivers that pass through the drive up ATM, do not actually use it, the passenger sitting behind the driver uses it, and just so happens to be blind

I know that sounds crazy, but that was my formulated answer.

My choice was E. There was another reason other than usefulness that caused the banks decision to use that ATM-it was the only ATM manufactured.
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25 Jan 2013, 00:03
VeritasPrepKarishma wrote:
Sachin9 wrote:

Hi Karishma,
I chose A as well.. I actually thought that since windows roll down atleast halfway, you could reach the buttons..

The wording should make you aware of a trap. 'windows roll down ONLY half way...'. It kind of implies that the ATM isn't exactly within reach of a person sitting next to the rear window on the driver's side.

If the logic were that blind people sitting behind the driver need to operate, the option would have said something like 'the ATM can be easily accessed by the person sitting next to the rear window on the driver's side'

I hope the correct option makes sense now.

Wow. So I am not crazy for thinking that way-cool!
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Re: Many banks have a drive-through automated teller machine, [#permalink]

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Re: Many banks have a drive-through automated teller machine, [#permalink]

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20 May 2015, 09:31
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: Many banks have a drive-through automated teller machine, [#permalink]

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01 Dec 2015, 06:58
Fantastic questions ; clearly drills you badly ; I got it wrong and honestly i juts guessed after a while ; But clearly answer is E ; beautiful question.....
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Many banks have a drive-through automated teller machine, [#permalink]

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23 Mar 2016, 03:47
VeritasPrepKarishma wrote:
Marcab wrote:
Many banks have a drive-through automated teller machine, built into the wall flanking the driver's side of a narrow aisle. Even though blind people obviously do not drive, these machines nonetheless invariably feature Braille – the system of raised dots used by the blind for reading and writing – in addition to the standard letters and numerals on their control panels.

Which of the following, if true, does the most to explain the situation described?

a)In most automobiles, the rear windows on the driver's side only roll down about halfway.
b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write.
c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing.
d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine.
e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine.

This has been the strangest question ever faced by me.

OA
[Reveal] Spoiler:
Let us first have some discussion on it.

It's a resolve the paradox question and honestly, not very tough if you are quick to connect things from your life together.
- Most banks have drive-thru ATMs - you take your car next to the ATM and only the driver's side can access the machine since there is no space for someone to open the door and get down from the car.
- These ATMs feature Braille.

Now obviously, blind people do not drive so why do these ATMs feature Braille? Let's find out what can explain this.

a)In most automobiles, the rear windows on the driver's side only roll down about halfway.
This implies that people sitting behind the driver's seat also cannot access the ATM i.e. only the driver can access the ATM machine. This doesn't help resolve the paradox.

b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write.
If people who are allowed to drive do not use Braille, then we are back at the paradox - why is Braille featured on these ATMs?

c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing.
Irrelevant to the argument.

d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine.
Even if a feature doesn't add much to the cost, why would you add it if it has no value? Just because something is cheap, you don't buy it if it is useless for you. If you wear size 6, you won't buy a size 16 just because it is available at 50% off until and unless you are planning to gift to a friend i.e. it has some value for you. Hence, it doesn't help resolve the paradox. It doesn't tell you why Braille is featured at a place where it has no use.

e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine.
Doesn't this remind you of something you see on a daily basis? Cars! If you notice, all models of cars except the highest one has blank buttons i.e. buttons that don't do anything. Ever wondered why? Because car manufacturers make one standard interiors model. They have to put buttons for all the features given in the highest end model. In the lower models, you get blank buttons since some features are missing in them. This is the same concept. To maximize profit, only one model of ATMs is made. Braille has to be featured on other ATMs which are not drive through because they are accessed by blind people. Hence all ATMs feature Braille whether they are put in drive thrus or in regular kiosks. This resolves our paradox.

Thanks VeritasPrepKarishma for that thorough explanation. It helped me.
I call this question type "Realilty Question" in GMAT critical reasoning.
Your trouble in this question begins if you never seen or imagined a "drive through ATM".
You need to bring in assumptions from your real life knowledge of what "drive through ATMs" are.
You might as well need to NOT be oblivious of the real life fact that you essentially use what exists in the market.. thus your preference might be quite an exaggerated economic concept.
Finally the GMAC state succinctly that "answering CR questions requires no specialized knowledge of any particular field" and that "u dont have to have knowledge of the terminology or conventions of formal logic".
Meehnn! Was it just to make you feel calm? Or could they mean it?
Is it me or does that GMAC statement have other useful use?
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Re: Many banks have a drive-through automated teller machine, [#permalink]

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06 Feb 2017, 20:51
Many banks have a drive-through automated teller machine, built into the wall flanking the driver's side of a narrow aisle. Even though blind people obviously do not drive, these machines nonetheless invariably feature Braille – the system of raised dots used by the blind for reading and writing – in addition to the standard letters and numerals on their control panels.

Which of the following, if true, does the most to explain the situation described?

In simple terms, the ATM has a keypad which features Braille so that blind people can use it. But blind people do not drive so what can be the reason for having such a feature which has no potential use. Maybe the manufacturers produce only a single type of keypads which can be used by people who are blind and by people who can see.

a)In most automobiles, the rear windows on the driver's side only roll down about halfway.
Clearly, the option doesn't make sense. If this is an impediment then we are left with only the driver's window but this condition doesn't throw any light on why the Braille feature is used on the keypad.

b)Moderately visually impaired people who are still allowed to drive typically do not use Braille to read or write.
Then what's the use of having that feature on the keypad.

c)Blind people can often read Braille just as quickly and accurately as sighted people can read regular writing.
But blind people are not allowed to drive. So what's the use of that feature in a drive-through ATM.

d)The embossing technique used to form the raised dots does not typically add much to the overall cost of the automated teller machine.
Then the manufacturers can produce both the types of ATMs but why such an ATM on the drive-throughs. They could have saved a few bucks by installing ATMs without Braille feature.

e)In order to maximize profits per unit, manufacturers produce only a single model of automated teller machine.
This is in line with our assumption. There are no specialized models. Only one model which can be used by both the groups.

Thus, option E.
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Re: Many banks have a drive-through automated teller machine, [#permalink]

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22 Mar 2017, 08:32
Only option E makes sense as it explains why braille system is there in ATMs. If they develop the same model, then they can install the same ATM in any other places such as in banks, airports, malls, railways stations, bus stations etc. Installation of such ATMs in public places makes them disabled friendly.
Re: Many banks have a drive-through automated teller machine,   [#permalink] 22 Mar 2017, 08:32
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