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As they get older, women usually maintain their ability to hear higher

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As they get older, women usually maintain their ability to hear higher [#permalink]

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New post 31 May 2017, 19:11
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  95% (hard)

Question Stats:

46% (01:28) correct 54% (01:51) wrong based on 188 sessions

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As they get older, women usually maintain their ability to hear higher frequencies longer than men do. This is only because men are usually exposed to more dangerously loud noises at work and during recreation. In societies that do not have hazardous noises, there is no difference in hearing loss between men and women. Nor is there a difference in hearing loss between males and female animals whose hearing has been studied.

Which of the following choices MUST be true based on the information above?

A) When women and men are exposed to the same level of hazardous noises while working, men experience greater loss of hearing.
B) The difference between men and women in their ability to hear higher frequencies is entirely unrelated to any difference in the structure of the inner ear.
C) If male animals were exposed to the same loud noises to which many men are exposed, the animals would experience greater loss of hearing than would female
animals.
D) In general, women and men do not differ in their ability to hear lower frequencies.
E) Women who live in societies that do not have hazardous noises experience less loss of hearing than do women who live in societies that do have hazardous noises.
[Reveal] Spoiler: OA

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Re: As they get older, women usually maintain their ability to hear higher [#permalink]

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New post 31 May 2017, 20:22
But in the argument there is no mention of internal structure of the ear

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Re: As they get older, women usually maintain their ability to hear higher [#permalink]

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New post 31 May 2017, 20:33
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I thought the same and eliminated that option in the first instance. However if you read the prompt carefully it does say "This is only because men are usually exposed to more dangerously loud noises at work and during recreation."

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As they get older, women usually maintain their ability to hear higher [#permalink]

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New post 31 May 2017, 21:56
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Tan2017 wrote:
As they get older, women usually maintain their ability to hear higher frequencies longer than men do. This is only because men are usually exposed to more dangerously loud noises at work and during recreation. In societies that do not have hazardous noises, there is no difference in hearing loss between men and women. Nor is there a difference in hearing loss between males and female animals whose hearing has been studied.

Which of the following choices MUST be true based on the information above?

A) When women and men are exposed to the same level of hazardous noises while working, men experience greater loss of hearing.
B) The difference between men and women in their ability to hear higher frequencies is entirely unrelated to any difference in the structure of the inner ear.
C) If male animals were exposed to the same loud noises to which many men are exposed, the animals would experience greater loss of hearing than would female
animals.
D) In general, women and men do not differ in their ability to hear lower frequencies.
E) Women who live in societies that do not have hazardous noises experience less loss of hearing than do women who live in societies that do have hazardous noises.


B is the answer .
Now why B :
Lets check the only important word in argument that played the trick here - "ONLY".

"As they get older, women usually maintain their ability to hear higher frequencies longer than men do. This is only because men are usually exposed to more dangerously loud noises at work and during recreation."

Now why men loss ability to hear higher frequency and women not---The "ONLY" reason is men are exposed to more dangerously loud noises at work and during recreation

So according to argument rest all the reason that can contribute to cause is not true.

Why not E :

E makes a general statement that is applicable for all the women .That can't be necessarily true.there will be one or two exceptions...

Last edited by sobby on 31 May 2017, 22:03, edited 1 time in total.

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Re: As they get older, women usually maintain their ability to hear higher [#permalink]

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New post 31 May 2017, 21:58
option A is actually against the conclusion. Eliminated.

option C talks about male and female animals, no study has been done to expose male animals to higher frequencies, so this is out of scope. Eliminated

option D also seems out of scope because no study has been done on lower frequencies. Eliminated.

option E seems tricky, it says women exposed to less hazardous noises experience less loss of hearing. But the passage says that in such cases, there is no difference in hearing between men and women. It doesn't talk about hearing of women exposed to less hazardous noises vis-a-vis those exposed to hazardous noises. Eliminated.

Hence option B answer

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Re: As they get older, women usually maintain their ability to hear higher [#permalink]

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New post 01 Dec 2017, 07:34
Can experts please provide explanation as to why E is wrong. The only explanation provided seems inadequate.
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Re: As they get older, women usually maintain their ability to hear higher [#permalink]

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New post 01 Dec 2017, 20:26
This is a good example for Cause and Effect kind of CR problems. The question states one cause, so the answer usually talks about another cause. Depending on Weaken/Strengthen/Must be true, the cause mentioned in answer validates or invalidates the cause mentioned in the question stem. Based on this, we can answer the above question-

Let's analyze the answer choices:

A) When women and men are exposed to the "same level of hazardous noises" while working, men experience greater loss of hearing.
OUT. Question clearly states that hearing difference happens due to exposure to different levels of noise- "men are usually exposed to more dangerously loud noises." Which means that men are not more prone than women to experience hearing loss given the same conditions.

B) The difference between men and women in their ability to hear higher frequencies is entirely unrelated to any difference in the structure of the inner ear.
KEEP. This answer is talking about another potential cause for hearing loss. It eliminates/invalidates another cause (difference in ear structure) that could lead to hearing difference between men and women. Only if this is true, will the premise in question (men experience greater hearing loss only due to their greater exposure to hazardous noises) hold true. And as we know, premises always have to be true.

C) If male animals were exposed to the same loud noises to which many men are exposed, the animals would experience greater loss of hearing than would female animals.
OUT. This is out of scope. The contention is between male and female humans, and nothing to do with what animals experience.

D) In general, women and men do not differ in their ability to hear lower frequencies.
OUT. Again out of scope. The contention is about higher frequencies. We shouldn't bother about what happens at lower frequencies.

E) Women who live in societies that do not have hazardous noises experience less loss of hearing than do women who live in societies that do have hazardous noises.
OUT. Out of scope. This is comparing one group of women to another group of women. But our contention is about hearing difference between men and women. So even if this statement were true, it doesn't lend anything to the premises in question stem about why men cannot maintain their ability to hear high frequencies when compared to women.

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As they get older, women usually maintain their ability to hear higher [#permalink]

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New post 01 Dec 2017, 22:48
Everything boils down to B&E......The reason why E is wrong is living in the society with hazardous sound and getting exposed to the hazardous sound are two different things.Exposed is the word of the trade :-) :-)

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As they get older, women usually maintain their ability to hear higher   [#permalink] 01 Dec 2017, 22:48
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