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Airport official: Local residents have been complaining that night fig

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Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 18 Jun 2014, 21:20
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Airport official: Local residents have been complaining that night fights into Plainsville airport disturb their sleep and should be sharply reduced in number. This complaint is completely unreasonable—there have been night flights coming into the airport from the very begining, twenty years ago, and these residents should have taken that fact into account when buying their homes.

Which of the following is an assumption on which the airport argument depends?

(A) There are fewer night flights now than there were originally
(B) The residents who are complaining have been in their current homes fewer than twenty years
(C) The residents who are complaining are ignoring the benefits they gain from he presence of the airport
(D) The economic success of the airport depends entirely on the existence of the night flights
(E) People buying houses in Plainville all avoid buying houses near the airport if they can
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 18 Jun 2014, 22:02
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TGC wrote:
Airport official:Local residents have been complaining that night fights into Plainsville airport disturb their sleep and should be sharply reduced in number.This complaint is completely unreasonable--there have been night flights coming into the airport from the very begining,twenty years ago,and these residents should have taken that fact into account when buying their homes.
Which of the following is an assumption on which the airport argument depends?
A There are fewer night flights now than there were originally
B The residents who are complaining have been in their current homes fewer than twenty years
C The residents who are complaining are ignoring the benefits they gain from he presence of the airport
D The economic success of the airport depends entirely on the existence of the night flights
E People buying houses in Plainsville all avoid buying houses near the airport if they can


So the officials are saying that night flights have been coming since the beginning i.e. 20 yrs ago. So people should not have bought houses here if night flights were disruptive to their sleep. But they are assuming that people bought houses in the last 20 years when they knew about the night flights. What if people had actually bought the houses more than 20 yrs ago? Airport officials have no answer for them. They are assuming that everyone who is complaining had bought his/her house less than 20 yrs ago. Hence (B) is an assumption.

Option (E) only says that people who buy houses near the airport have no choice - they just can't avoid buying near the airport - could be for whatever reasons - lower prices, higher availability etc. The point is that they knew before buying that they are compromising by taking next to the airport. They pay for what they get. After getting the house, they cannot complain of the night flights (perhaps because of which the price they paid was lower). No matter what their reason was for buying the house close to the airport, if they did, they knew that sleep will get disturbed. So now they cannot cry about the disturbance. Hence officials are not answerable to people who had no choice but had to buy near the airport. So (E) is not an assumption.
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 18 Jun 2014, 21:22
Although I marked it correctly as (B), I am not sure how (E) could be rejected.

Anyone?
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 19 Jun 2014, 01:25
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TGC wrote:
Airport official:Local residents have been complaining that night fights into Plainsville airport disturb their sleep and should be sharply reduced in number.This complaint is completely unreasonable--there have been night flights coming into the airport from the very begining,twenty years ago,and these residents should have taken that fact into account when buying their homes.
Which of the following is an assumption on which the airport argument depends?
A There are fewer night flights now than there were originally
B The residents who are complaining have been in their current homes fewer than twenty years
C The residents who are complaining are ignoring the benefits they gain from he presence of the airport
D The economic success of the airport depends entirely on the existence of the night flights
E People buying houses in Plainville all avoid buying houses near the airport if they can


A good test to check if the option we have picked is correct is the Negation test. Accordingly we would just have to negate the option and check if the negated version destroys the conclusion. If it does, then the reversed form is the best answer.
So let us try the negation with the options B and E.
In B we could read it as The residents who are complaining have not been in their current homes fewer than twenty years. If that is true then the conclusion would be destroyed because it ocnveys the meaning that they were probably longer than twenty years in their homes in which case they could not have taken into account the sound when buying the homes. The whole argument gets destroyed with the introduction of the not. .Hence this option is correct.
In Option E if we introduce the not it reads People buying houses in Planville will not avoid buying houses near the airport if they can. After negating the option the version does nothing to the conclusion. It says that people cant help themselves from buying houses near the airport. So is that the assumption? the assumption has to deal with the time period houses bought before 20 years andduring 20 years. The negation test when applied to E does nothing to the conclusion. Hence E is incorrect.
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 06 Dec 2014, 10:22
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Initially got this wrong, but I see the correct answer now.

The premise is that residents in Plainville complain that the night flights are loud and disturb their sleep. The airport responds by saying home-buyers should have picked location more carefully and that the complaints are unreasonable.
What is the assumption?

A There are fewer night flights now than there were originally--irrelevant (maybe strengthens the argument)
B The residents who are complaining have been in their current homes fewer than twenty years--correct (the airport officials are assuming that people bought homes locally after the airport was built, but if we negate this we see that perhaps the airport was built after the homes were bought and thus, locals did not have have much choice in location of their homes)
C The residents who are complaining are ignoring the benefits they gain from he presence of the airport--irrelevant and out of scope (has nothing to do with the argument)
D The economic success of the airport depends entirely on the existence of the night flights--again irrelevant and out of scope (again has nothing to do with the argument)
E People buying houses in Plainville all avoid buying houses near the airport if they can--initially picked this, but it doesn't seem so relevant after understanding B (this would be more of a weakener, if anything) again irrelevant
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post Updated on: 06 Dec 2014, 10:48
ya.... since the people should have catered the problem which occured, since 20 years ago, therefore the houses must have been bought after that.....
answer is "b"....

Originally posted by semwal on 06 Dec 2014, 10:45.
Last edited by semwal on 06 Dec 2014, 10:48, edited 1 time in total.
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 19 Feb 2015, 16:07
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Karishma, can u check if my approach is right. Chose B correctly and applied negation test.

(B) Residents have been living less than 20 years.

If residents lived more than 20 years, then their complaints were justifiable. Destroyed the official's argument (which stated that complaints are unreasonable as the people living in their homes should have thought about the problem at the time of buying the house).

(E) People avoid buying houses near the airport if they can.

If people willingly buy near airport, then it is their fault and they can't complain. This did not destroy the argument of the official.
It, I guess, strengthened it. So, (E) is wrong.

{I have a notion I am not applying this test correctly to (E). I got the question right and I am sure about it. But this worries me}

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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 19 Feb 2015, 20:30
gmathopeful90 wrote:
Karishma, can u check if my approach is right. Chose B correctly and applied negation test.

(B) Residents have been living less than 20 years.

If residents lived more than 20 years, then their complaints were justifiable. Destroyed the official's argument (which stated that complaints are unreasonable as the people living in their homes should have thought about the problem at the time of buying the house).

(E) People avoid buying houses near the airport if they can.

If people willingly buy near airport, then it is their fault and they can't complain. This did not destroy the argument of the official.
It, I guess, strengthened it. So, (E) is wrong.

{I have a notion I am not applying this test correctly to (E). I got the question right and I am sure about it. But this worries me}

Thanks.


Actually, your analysis is absolutely correct. Check out my explanation for (E) given above. Essentially, the two are the same.
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 20 Feb 2015, 00:02
Thanks K !!! You're a life saver :)
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 29 Mar 2016, 08:46
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Airport official: Local residents have been complaining that night fights into Plainsville airport disturb their sleep and should be sharply reduced in number.This complaint is completely unreasonable--there have been night flights coming into the airport from the very begining,twenty years ago,and these residents should have taken that fact into account when buying their homes.
Which of the following is an assumption on which the airport argument depends?

A There are fewer night flights now than there were originally
B The residents who are complaining have been in their current homes fewer than twenty years
C The residents who are complaining are ignoring the benefits they gain from he presence of the airport
D The economic success of the airport depends entirely on the existence of the night flights
E People buying houses in Plainville all avoid buying houses near the airport if they can


Dear Experts,

Please throw some light on why option B is better than Option E.
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 30 Mar 2016, 00:54
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The argument provides a reason for residents not to complain: these night flights have been going on for 20 years, so residents had ample warning. However, this falls apart if residents actually moved in more than 20 years ago. This makes B a necessary assumption.

E is not needed. We don't need to know what all residents do. Maybe some people like living under the flight path. That's not a problem. We just need to know that those who are complaining had a chance to avoid the situation. If anything, E would weaken the argument. By saying that people avoid buying near the airport if they can, it implies that the people complaining could not help buying their houses where they did, so knowing about the problem would have made no difference.
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 30 Mar 2016, 01:11
DmitryFarber wrote:
The argument provides a reason for residents not to complain: these night flights have been going on for 20 years, so residents had ample warning. However, this falls apart if residents actually moved in more than 20 years ago. This makes B a necessary assumption.

E is not needed. We don't need to know what all residents do. Maybe some people like living under the flight path. That's not a problem. We just need to know that those who are complaining had a chance to avoid the situation. If anything, E would weaken the argument. By saying that people avoid buying near the airport if they can, it implies that the people complaining could not help buying their houses where they did, so knowing about the problem would have made no difference.


Thanks for the Explanation Dmitry Farber
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 28 Jul 2016, 14:11
Negation technique would work best for this problem
mainly confusion is between choices B and E
option E provides us a effect that is occurring because of night flights whereas option B is a unstated premise that the residents have been living for less than 20 years.
If we negate option B then the conclusion falls apart and hence is the correct option
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 28 Jul 2016, 14:11
Negation technique would work best for this problem
mainly confusion is between choices B and E
option E provides us a effect that is occurring because of night flights whereas option B is a unstated premise that the residents have been living for less than 20 years.
If we negate option B then the conclusion falls apart and hence is the correct option
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 29 Jul 2016, 03:57
rhine29388 wrote:
Negation technique would work best for this problem
mainly confusion is between choices B and E
option E provides us a effect that is occurring because of night flights whereas option B is a unstated premise that the residents have been living for less than 20 years.
If we negate option B then the conclusion falls apart and hence is the correct option


Thanks for the Input by the way whats the Conclusion here.
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 31 Aug 2018, 00:14
Why can't A be an assumption and what is the conclusion here?
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 31 Aug 2018, 00:36
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akshaykotha The conclusion is "This complaint [that night flights are disturbing and should be reduced] is unreasonable." The only premise is that the flights have been going on for twenty years. The argument assumes that if the flights have been going on for 20 years, this provided ample time for people to choose another location. It also assumes that as long as people had this time, it's fine for the airport to run flights at night, and it's therefor unfair to complain. (This second assumption is not addressed in the answers.)

A isn't needed for the argument to succeed. The official is arguing that things have been the same for twenty years, not that things have gotten better. Even if the number of flights has not been reduced, the reasoning is the same.
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Re: Airport official: Local residents have been complaining that night fig  [#permalink]

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New post 01 Sep 2018, 23:58
DmitryFarber, your explanantion helps view the argument holistically rather than considering a specific point of view which was for me 'the number of flights'. Thank you!
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Re: Airport official: Local residents have been complaining that night fig &nbs [#permalink] 01 Sep 2018, 23:58
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