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In 1992 outlaw fishing boats began illegally harvesting lobsters from

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 18 May 2014, 10:38
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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 18 May 2014, 10:40
A. The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996.
If this is negated, the argument falls apart - Hence A) If it has declined the argument that the gap of annual catch between 1992 and 1996 can be attributed to illegal catch.

B. The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992. -Out of scope as we are talking about the 1996 illegal catching of lobsters.

C. Outlaw fishing boats do not, as a group, harvest more lobsters than do licensed lobster-fishing boats. - We are not comparing the legal and illegal catch

D. The annual legal lobster harvest in Belukia in 1996 was not significantly less than 9,000 tons. - Lets say it is 4k tons. The argument doesn't break or support the argument.

E. A significant proportion of Belukia’s operators of licensed lobster-fishing boats went out of business between 1992 and 1996. - it doesn't affect the argument as per the premise - "despite there being no reduction in the level of legal lobster fishing activity"

I pick A)
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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 24 Aug 2014, 21:59
Hi e-gmat,

I am not able to get this one.

(A). says that the illegal harvesting was not so extensive that the population of catchable lobsters declined by 1996.

Conclusion: Attributes 9000 fall to illegal harvesting.

Even if I negate (A) that illegal harvesting was so extensive that the population of catchable lobsters declined by 1996.

That is what we are arguing in conclusion that illegal harvesting is the cause for the figure 9000 fall in 1996.

Plz advise

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 02 Feb 2015, 22:01
Archit143 wrote:
Superb question , To answer this, full proof reading of the argument is reqd.

despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels. It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.

The highlighted part of the argument implies that despite extensive legal lobster harvesting the number fell only to 9000, that means the author was expecting it to fall by a huge margin.......Hence, the illegal harvesters did not do much damage to the lobsters population, that is the reason, why, even after extensive harvesting the number fell just to 9000

Hence the answer must be A!!!

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your proof reading is simply wrong..surprised to see some likes :)

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 03 Feb 2015, 08:32
The conclusion of the argument is that the outlaw fishing boats are highly likely to harvest about 9,000 tons of lobsters in Belukian waters in 1996.
The basis for this claim is that:
1. In 1992, outlaw fishing boats started to harvest lobsters in this area
2. After that, the annual volume harvested of lobsters declined.
3. In 1996, the annual volume harvested of legal fishing boats declined by 9,000 tons in comparison to the pre-1992 levels.
4. In 1996, the legal fishing activity is not reduced.
Then the writer must assume that the total volume of lobsters which can be harvested in 1996 is about the same as in pre-1992.
A - CORRECT. If it's true, then there is another reason why the level of lobsters harvested by the legal fishing boats have declined by 9,000.
B - This has no impact on the conclusion.
C - This has no impact on the conclusion.
D - Not relevant
E - Out of scope.

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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A. The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996.

Note: Cachable doesn't mean catched lobsters. Option is talking about total population from which both legal and illegal catches are executed.
So, if legal harvesters couldn't get them, who got them? That's right! --> Illegal Harvesters.

Answer Choice A is correct.

This was a tough nut for me to crack. Alternatively, I would rather solve it by elimination.

B. The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992.
Whats steadily? Like 1 ton per year? Would that be enough! NO!

C. Outlaw fishing boats do not, as a group, harvest more lobsters than do licensed lobster-fishing boats.
Again! Harvest how much more? No information!

D. The annual legal lobster harvest in Belukia in 1996 was not significantly less than 9,000 tons.
Argument is comparing the difference. Not absolute values of the catch.

E. A significant proportion of Belukia’s operators of licensed lobster-fishing boats went out of business between 1992 and 1996. I fell them, but this makes no difference.

And we are left with A.
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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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bsv180985 wrote:
In 1992 outlaw fishing boats began illegally harvesting lobsters from the territorial waters of the country of Belukia. Soon after, the annual tonnage of lobster legally harvested in Belukian waters began declining; in 1996, despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels. It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.

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

A. The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996.
B. The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992.
C. Outlaw fishing boats do not, as a group, harvest more lobsters than do licensed lobster-fishing boats.
D. The annual legal lobster harvest in Belukia in 1996 was not significantly less than 9,000 tons.
E. A significant proportion of Belukia’s operators of licensed lobster-fishing boats went out of business between 1992 and 1996.



Hi @Egmat@

Although I selected the Choice A, as this is the only option that I found alright, I am not able to understand the argument AT ALL.
Please somebody help me understand the argument.
Does it mean that

Before 1992......> Total local catch = legal catch
1992-------------> local catch = illegal +legal
1996................> same

then in 1996, the legal catch was same, total local catch was below 1992 levels by 9000.
so, in 1996, illegal catch must be 9000.
So....if we say that x is the legal catch which has not changed, in 1992, catch was 18000+x...
so what next?? I am lost..

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 10 Aug 2016, 15:17
my two pre-assumptions that
1) no shortage of fishes in 1996 than fishes in 1992,
2) the legal boats in 1996 are not less efficient than legal boats in 1992

if there is a drastic shortage of the fishes in 1996, conclusion falls apart
so considering this, choice A almost says the same thing

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 20 Aug 2016, 04:39
In 1992 outlaw fishing boats began illegally harvesting lobsters from the territorial waters of the country of Belukia. Soon after, the annual tonnage of lobster legally harvested in Belukian waters began declining; in 1996, despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels. It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.

1992 1996

Illegal 0 9000
Legal 18000 9000

So the argument is that 9000 from legal has gone to illegal lobster harvesting.
what could be other reason

1. Population of lobster has reduced in the area where harvesting happens.


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

A. The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996

The illegal lobster harvesting was so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996 =>> aligned with prethinking

B. The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992.


The average annual lobster catch, in tons, of an outlaw fishing boat has not increased steadily since 1992. So that doesn't mean it can't account for 9000.

E. A significant proportion of Belukia’s operators of licensed lobster-fishing boats were out of business between 1992 and 1996 : We are already told that no reduction in the level of legal lobster fishing activity, so we have to take it on face value. May be some other business has started.

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 21 Dec 2016, 11:42
Quick and easy A. If this assumption were untrue, the conclusion would not hold.

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 04 Jun 2017, 02:07
bsv180985 wrote:
In 1992 outlaw fishing boats began illegally harvesting lobsters from the territorial waters of the country of Belukia. Soon after, the annual tonnage of lobster legally harvested in Belukian waters began declining; in 1996, despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels. It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.

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

A. The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996.
B. The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992.
C. Outlaw fishing boats do not, as a group, harvest more lobsters than do licensed lobster-fishing boats.
D. The annual legal lobster harvest in Belukia in 1996 was not significantly less than 9,000 tons.
E. A significant proportion of Belukia’s operators of licensed lobster-fishing boats went out of business between 1992 and 1996.

Fact:in 1996, despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels.

Missing Information: 9000 tons less of legal harvesting was not due to reason other than illegal harvesting in 1996.

Conclusion:It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.

Choice A best matches the missing information.
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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 30 Jun 2017, 08:41
Merged topics. Please, search before posting questions!
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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 22 Jul 2017, 20:44
hi guys,

can anyone please explain how can we say that harvesting was "extensive"? here is just number 9000 is given. Whether its too much to low... how anyone can assume?

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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 23 Jul 2017, 04:38
Hello,
I am still not able to understand how can "A" be an assumption. All the explanations given till now are as if the people knew the OA and are just trying to prove that A is correct. No one has been able to give a logical reasoning.
Please help with this one by providing a step by step break up of the argument and then how "A" is the OA.
Awaiting a quick response.
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Re: In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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bsv180985 wrote:
In 1992 outlaw fishing boats began illegally harvesting lobsters from the territorial waters of the country of Belukia. Soon after, the annual tonnage of lobster legally harvested in Belukian waters began declining; in 1996, despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels. It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.

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

(A) The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996.
(B) The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992.
(C) Outlaw fishing boats do not, as a group, harvest more lobsters than do licensed lobster-fishing boats.
(D) The annual legal lobster harvest in Belukia in 1996 was not significantly less than 9,000 tons.
(E) A significant proportion of Belukia’s operators of licensed lobster-fishing boats went out of business between 1992 and 1996.


This is tough question, and OE has given me some light.

Premise :
1. 1992 start ILLEGAL, so LEGAL catch began declining.
2. In 1996, no reduction of legal activity, but the number decline 9.000 tons.

Conclusion : ILLEGAL must catch 9.000 tons.

Key from OE is: how can one infer specific number (9.000 ton)?
After reading this key from OE, I got some enlightenment.

(A) The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996.
Try to negate : If population SHARPLY declined, specific conclusion about 9.000 ton cannot be inferred. BANG!

(B) The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992.
If increased steadily, how can one infer 9.000 ton?
Btw, this was my first answer :lol: :lol:

Hope it helps.
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In 1992 outlaw fishing boats began illegally harvesting lobsters from [#permalink]

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New post 13 Nov 2017, 13:49
bsv180985 wrote:
In 1992 outlaw fishing boats began illegally harvesting lobsters from the territorial waters of the country of Belukia. Soon after, the annual tonnage of lobster legally harvested in Belukian waters began declining; in 1996, despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels. It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.

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

(A) The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996.
(B) The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992.
(C) Outlaw fishing boats do not, as a group, harvest more lobsters than do licensed lobster-fishing boats.
(D) The annual legal lobster harvest in Belukia in 1996 was not significantly less than 9,000 tons.
(E) A significant proportion of Belukia’s operators of licensed lobster-fishing boats went out of business between 1992 and 1996.


1994- Total = 27,000. Legal catch = 27,000. Illegal Catch- nil.
1996 -Legal catch (reduces by 9000 = 27,000-9,000 = 18,000; Illegal catch as per conclusion = 9,000. How can this happen ? Only when, the total remains same (18,000+9,000= 27,000)


A says: The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996. .
The illegal lobster harvesting did not make the total population of catchable lobsters to decline. Had these declined, the figure of 9,000 illegal catch would not be possible.

mikemcgarry : Hi Mike,

Thanks for all your prompt responses uptil now! :-)

Could you help me understand if my reasoning specified above is correct.

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