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# Some cleaning fluids, synthetic carpets, wall paneling, and other prod

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Math Expert
Joined: 02 Sep 2009
Posts: 62554
Some cleaning fluids, synthetic carpets, wall paneling, and other prod  [#permalink]

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19 Jan 2020, 04:54
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Difficulty:

35% (medium)

Question Stats:

70% (01:50) correct 30% (02:24) wrong based on 108 sessions

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Some cleaning fluids, synthetic carpets, wall paneling, and other products release toxins, such as formaldehyde and benzene, into the household air supply. This is not a problem in well-ventilated houses, but it is a problem in houses that are so well insulated that they trap toxins as well as heat. Recent tests, however, demonstrate that houseplants remove some household toxins from the air and thereby eliminate their danger. In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house.

Assume that a person who lives in a small, well-insulated house that contains toxin-releasing products places houseplants, such as those tested, in the house.

Which one of the following can be expected as a result?

(A) There will no longer be any need to ventilate the house.

(B) The concentration of toxins in the household air supply will remain the same.

(C) The house will be warm and have a safe air supply.

(D) If there is formaldehyde in the household air supply, its level will decrease.

(E) If formaldehyde and benzene are being released into the household air supply, the quantities released of each will decrease.

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Some cleaning fluids, synthetic carpets, wall paneling, and other prod  [#permalink]

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21 Jan 2020, 06:51
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Some cleaning fluids, synthetic carpets, wall paneling, and other products release toxins, such as formaldehyde and benzene, into the household air supply. This is not a problem in well-ventilated houses, but it is a problem in houses that are so well insulated that they trap toxins as well as heat. Recent tests, however, demonstrate that houseplants remove some household toxins from the air and thereby eliminate their danger. In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house.

Assume that a person who lives in a small, well-insulated house that contains toxin-releasing products places houseplants, such as those tested, in the house.

Which one of the following can be expected as a result?
.
.

(A) There will no longer be any need to ventilate the house. This is out of context. placing such plants will reduce the toxin levels, but will not exclude the possibility to further ventilate the house. the plants are not an alternative to ventilators in the house.

(B) The concentration of toxins in the household air supply will remain the same. It is already said that placing such plants will reduce the toxin levels. This is not the expected answer.

(C) The house will be warm and have a safe air supply. Placing such plants may lead to a warm and safe air circulation in the house, but this may be over assumed from the premise which only says that plants reduce concentration of toxin levels

(D) If there is formaldehyde in the household air supply, its level will decrease.A fair answer which does not over assume anything different from the premises given. Stay with D.

(E) If formaldehyde and benzene are being released into the household air supply, the quantities released of each will decrease. This is similar to D but, in the last sentence of the stem it is given that '20 plants reduced formaldehyde levels in the small, well-insulated house'. And,it is particularly mentioned to confuse you that the 'same' houseplants are kept in the next house. There is no mention about the reduction in benzene levels.

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##### General Discussion
IIMA, IIMC School Moderator
Joined: 04 Sep 2016
Posts: 1402
Location: India
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Some cleaning fluids, synthetic carpets, wall paneling, and other prod  [#permalink]

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23 Feb 2020, 17:24

Sometimes I love LSAT qs because of the precision of language and higher concentration I need to answer them correctly.
Let me focus on incorrect answer selected by more than 20% of members who attempted it incorrectly.

Quote:
Some cleaning fluids, synthetic carpets, wall paneling, and other products release toxins, such as formaldehyde and benzene, into the household air supply. This is not a problem in well-ventilated houses, but it is a problem in houses that are so well insulated that they trap toxins as well as heat. Recent tests, however, demonstrate that houseplants remove some household toxins from the air and thereby eliminate their danger. In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house.
Assume that a person who lives in a small, well-insulated house that contains toxin-releasing products places houseplants, such as those tested, in the house.
Which one of the following can be expected as a result?

Quote:
(E) If formaldehyde and benzene are being released into the household air supply, the quantities released of each will decrease.

Stimulus talks about toxins present IN household, not injected from outside.
The data: In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house. talks nothing about other toxin: benzene as this option does. OUT
I treated this as an INFERENCE q. Am I correct in my reasoning?
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Joined: 16 May 2019
Posts: 486
Re: Some cleaning fluids, synthetic carpets, wall paneling, and other prod  [#permalink]

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24 Feb 2020, 07:03
1
1

Sometimes I love LSAT qs because of the precision of language and higher concentration I need to answer them correctly.
Let me focus on incorrect answer selected by more than 20% of members who attempted it incorrectly.

Quote:
Some cleaning fluids, synthetic carpets, wall paneling, and other products release toxins, such as formaldehyde and benzene, into the household air supply. This is not a problem in well-ventilated houses, but it is a problem in houses that are so well insulated that they trap toxins as well as heat. Recent tests, however, demonstrate that houseplants remove some household toxins from the air and thereby eliminate their danger. In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house.
Assume that a person who lives in a small, well-insulated house that contains toxin-releasing products places houseplants, such as those tested, in the house.
Which one of the following can be expected as a result?

Quote:
(E) If formaldehyde and benzene are being released into the household air supply, the quantities released of each will decrease.

Stimulus talks about toxins present IN household, not injected from outside.
The data: In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house. talks nothing about other toxin: benzene as this option does. OUT
I treated this as an INFERENCE q. Am I correct in my reasoning?

Hello, adkikani, and thank you for tagging me. The problem with (E), as you pointed out, is that the passage does not mention a test in which houseplants remove benzene specifically from the environment. One test mentions formaldehyde, while other recent tests have shown that houseplants remove some household toxins. Which ones, however, remain unknown. Thus, a careful reading of the passage can help you eliminate an overreaching answer in (E).

Well done for having seen through the trap.

- Andrew
Veritas Prep GMAT Instructor
Joined: 16 Oct 2010
Posts: 10248
Location: Pune, India
Re: Some cleaning fluids, synthetic carpets, wall paneling, and other prod  [#permalink]

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25 Feb 2020, 22:58
1
1

Sometimes I love LSAT qs because of the precision of language and higher concentration I need to answer them correctly.
Let me focus on incorrect answer selected by more than 20% of members who attempted it incorrectly.

Quote:
Some cleaning fluids, synthetic carpets, wall paneling, and other products release toxins, such as formaldehyde and benzene, into the household air supply. This is not a problem in well-ventilated houses, but it is a problem in houses that are so well insulated that they trap toxins as well as heat. Recent tests, however, demonstrate that houseplants remove some household toxins from the air and thereby eliminate their danger. In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house.
Assume that a person who lives in a small, well-insulated house that contains toxin-releasing products places houseplants, such as those tested, in the house.
Which one of the following can be expected as a result?

Quote:
(E) If formaldehyde and benzene are being released into the household air supply, the quantities released of each will decrease.

Stimulus talks about toxins present IN household, not injected from outside.
The data: In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house. talks nothing about other toxin: benzene as this option does. OUT
I treated this as an INFERENCE q. Am I correct in my reasoning?

Yes, it can be treated as an inference question. It phrases the question stem as "... can be expected as a result?" since we can only say what can be expected in the future, not what WILL happen.

The premises tell us that in one test, 20 large plants eliminated formaldehyde.
Then we are told that these specific type of houseplants (the ones tested) are placed in a house.
The test only tells us that these houseplants remove formaldehyde. So we can only say about formaldehyde, not benzene. So (E) is not correct.
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Karishma
Veritas Prep GMAT Instructor

Re: Some cleaning fluids, synthetic carpets, wall paneling, and other prod   [#permalink] 25 Feb 2020, 22:58
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