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# XYZ, aquatic mammals inhabiting Florida s rivers and coastal

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Manager
Status: May The Force Be With Me (D-DAY 15 May 2012)
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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15 Mar 2012, 21:41
Yup E makes the most sense.
I was drawn to D but then sound in air & water was just irrelevant

Good questions !!!
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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24 Aug 2012, 10:54
I think it is A

As per the passage, low pitch will make things worse, since XYZ won't be able to hear the boats and avoid them as before. According to 'A', the plan is implemented in high population areas where more accidents were reported, so this will result in even more losses.

E concludes that XYZ are insensitive to low or high pitches, so the new plan won't make things worse as mentioned in the passage's conclusion.
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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10 Sep 2012, 04:58
Guys why can't C be the answer?
This option states that boat traffic HAS BEEN INCREASING CONTINUOUSLY, so it makes the chances of collision between a boat and the mammal higher. Also we are told in the premise that these mammals are unable to hear low pitched sounds of boats and quite clearly this will worsen the situation.
Please let me know where I am wrong.
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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11 Sep 2012, 23:48
SyedSan wrote:
I chose option E but didn't liked the grammar in it.

"When experimenters exposed XYZs to the recorded sounds of boats moving at various speeds, the creature were unable to discern the sounds over normal background noise. "

creature is singular; why does the sentence uses plurel were?

Hi Syed

If you can use past tense after "did" then they sure can use "are" after creature. In the end we are all human.
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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11 Sep 2012, 23:51
siddharthasingh wrote:
Guys why can't C be the answer?
This option states that boat traffic HAS BEEN INCREASING CONTINUOUSLY, so it makes the chances of collision between a boat and the mammal higher. Also we are told in the premise that these mammals are unable to hear low pitched sounds of boats and quite clearly this will worsen the situation.
Please let me know where I am wrong.

Premise - XYZ, aquatic mammals inhabiting Florida’s rivers and coastal waters, swim close to the surface and are frequently killed in collisions with boats. boat traffic in XYZ-populated waters is being required to maintain very low speeds. Unfortunately, XYZs are unable to hear low-pitched sounds and a boat’s sound lowers in pitch as the boats slows

Conclusion - this approach may in fact make things worse rather than better.

Anything which strengthen the conclusion is our answer i.e. anything which supports that the approach (of slowing down) may make things worse is our answer

Option C does not discuss this approach.

Option E is the best among the lot. I am sure an expert would be a better person to comment.
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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25 Sep 2012, 03:01
I do not think that this question is good.

There is no strengthener in this question.

E is restatement of the evidence and so can not be correct.

I am wrong possiblly.

pls, discuss more.
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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25 Sep 2012, 10:06
Mr. Thang you are correct that E does not provide any new information and hence cannot be the correct answer. The key piece is to get new information that when combined with the information in the passage will strengthen the belief in the conclusion that this new law/requirement will lead to greater XYZ fatalities.

Choice E: In my opinion, choice E is a weakener because if XYZ cannot hear neither high speed noises nor low speed noises then the # of XYZ fatalities should remain the same This means that the situation will not get worse.

What could be strengthener?

A choice such as the one below could be a strengthener.
For XYZ, a collision with a slow moving boat is as likely to be fatal as a collision with a fast moving boat.

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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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07 Jul 2013, 12:19
Zynga wrote:
Answer is E , explained below :
XYZ, aquatic mammals inhabiting Florida’s rivers and coastal waters, swim close to the surface and are frequently killed in collisions with boats. To address the problem, boat traffic in XYZ-populated waters is being required to maintain very low speeds. Unfortunately, XYZs are unable to hear low-pitched sounds and a boat’s sound lowers in pitch as the boats slows. Therefore, this approach may in fact make things worse rather than better.

Question) Which of the following if true would strengthen the conclusion?

Answer should essentially hint/provide evidence that low speed boats are not effective
e) When experimenters exposed XYZs to the recorded sounds of boats moving at various speeds, the creature were unable to discern the sounds over normal background noise.
Bingo ! since XYZ cannot discern the boat sounds over normal background noise of boats moving at various speeds,low boat speed law doesn't really affect the collisions issue as it doesn't matter if the boats are traveling fast or slow.
XYZ are not able to discren the boat sound regardless of the speed is the key here .
[/quote]

As you pointed out that this approach [slow boats] would make situation worse rather than improve it so if the mammal are not able to distinguish than slow boats are as bad as fast boats so it doesn't really effect [as you mentioned the answer should be] but since it doesn't effect then it would mean that it just wouldn't improve the situation. Is that what we are looking for in the answer - since no change in situation so he it doesn't improve it hence it does the opposite i.e. makes it worse?

it doesn't improve it does not mean it does the opposite. The situation could remain unchanged....so no effect either direction
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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08 Jul 2013, 22:03
Unable to quote (timed out login i guess)

I got snared choosing D because it finally was the first choice that spoke to the elements in the question. The answer of course is E. yup i can see i may miss 800 everytime till the day.. D ofcourse weakens the argument
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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15 Sep 2015, 03:28
E is pathetic for a strengthener..highly unacceptable and very debatable..plez post the source as everybody seems to think of themselves akin to GMAC these days..the conclusion must be strengthened or the option must make the situation more worse than it seems.. E is absolutely useless as it is neutral..un-GMAT question..pooh:(
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal  [#permalink]

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25 Sep 2017, 23:23
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Re: XYZ, aquatic mammals inhabiting Florida s rivers and coastal &nbs [#permalink] 25 Sep 2017, 23:23

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# XYZ, aquatic mammals inhabiting Florida s rivers and coastal

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