If the forest continues to disappear at its present pace, : GMAT Critical Reasoning (CR)
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# If the forest continues to disappear at its present pace,

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If the forest continues to disappear at its present pace, [#permalink]

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06 Feb 2007, 08:42
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â€œIf the forest continues to disappear at its present pace, the koala will approach extinction,â€
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Director
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06 Feb 2007, 09:05
I would for A.

B and E can be eliminated at a galnce since they are contradictory.

Out of A, C and D,
C is eliminated coz we are talking of de-forestation and not reforestation.. Hence it is out of scope.

D is more consistent with Politicians statement.. Deforestation stops and slows down tend to reflect the same idea.

Hence A which supports the biologists statement that if the Deforestation continues the koala will be extinct..

Regards,
Amit
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Re: CR1000 - The biologist and the politician [#permalink]

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06 Feb 2007, 10:08
[quote="kripalkavi"]â€œIf the forest continues to disappear at its present pace, the koala will approach extinction,â€
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06 Feb 2007, 15:58
A.
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06 Feb 2007, 17:28
i will go with A)

B and E are contradictory to biologist's claim.
C is out of scope and not inconsistent with Biologist's claim also.

choosing between A and D, I will go with A) since it is more in consistent with Biologist's view.

kripalkavi, what is OA?
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06 Feb 2007, 19:24
B

On first look i selected D .. then just to make sure other choices are wrong i went with if ...then equation and i ended up with choice B

Biologist:

if Forest deforestation continues then Koala will extinct
if deforestation stops then kola may extinct or may not

politician:

if deforestation stops then Kola will not extinct

(B) Deforestation is stopped then the koala becomes extinct. consistent with Biologist's claim but not with politician's
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06 Feb 2007, 19:30
Looks like straight A.
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06 Feb 2007, 23:58
Do we have any more answers?
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07 Feb 2007, 01:12
â€œIf the forest continues to disappear at its present pace, the koala will approach extinction,â€
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07 Feb 2007, 01:15
ooops, I missed D.

D states that deforestration is slowed down and koala survives. In the original statement, the biologist makes a claim about the pace of deforestration, thus, I assume that if it is slowed down, than koala might survive.

I go with D in the very last choice.
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Re: CR1000 - The biologist and the politician [#permalink]

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07 Feb 2007, 02:04
[quote="kripalkavi"]â€œIf the forest continues to disappear at its present pace, the koala will approach extinction,â€
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07 Feb 2007, 07:40
hmm.. on second thought I think D is correct

A is consistent with the biologist, but it's not inconsistent with politician. In order for both to happen, I think D fits best.

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07 Feb 2007, 11:36
I took a looong time to solve this one. I shall join the D bandwagon!
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07 Feb 2007, 12:53
I thought this was a clear B, but see that there are so many different perspectives. Explains why this board is so good.

I went with B and I still stand by my pick.

â€œIf the forest continues to disappear at its present pace, the koala will approach extinction,â€
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09 Feb 2007, 00:32
D without doubts
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09 Feb 2007, 02:05
Swagatalakshmi wrote:
D without doubts

Thats what even I thought before I saw the OA. For the record, the 'OA' is B, but I still think the right answer is D. Here's why:

For the statement to be consistent with the biologist's claim, deforestation should not continue at its present pace and the Koala should survive.

For the statement to be inconsistent with the politician's claim, deforestation should not stop and the Koala should survive.

D satisfies both.
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09 Feb 2007, 06:39
kripalkavi wrote:
Swagatalakshmi wrote:
D without doubts

Thats what even I thought before I saw the OA. For the record, the 'OA' is B, but I still think the right answer is D. Here's why:

For the statement to be consistent with the biologist's claim, deforestation should not continue at its present pace and the Koala should survive.

For the statement to be inconsistent with the politician's claim, deforestation should not stop and the Koala should survive.

D satisfies both.

I have a doubt :

"If the forest continues to disappear at its present pace, the koala will approach extinction"

that means vice versa is also true?

if the Kola approach extinction, forest is disppearing at its present pace ..... cann't we have some other reason for Kola appraching to extinction
.... I 'm not convinced enough to eliminate B
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09 Feb 2007, 08:14
kripalkavi wrote:

For the statement to be consistent with the biologist's claim, deforestation should not continue at its present pace and the Koala should survive.

Not necessarily.

Let P=Deforestation
Let Q=Koala becomes extinct

The nature of the argument is If P Then Q

What you are saying is If Not P Then Not Q. This is incorrect. Much like math, when you compare the negatives(think reverse the sign) you will have to reverse the relationship.

If Not P Then Not Q is incorrect
If Not Q Then Not P is correct.

We cannot say that if deforestation is slowed, then the koala will survive. There can always be other factors that cause the extinction.

IMHO, the OA is right.

Last edited by ncp on 09 Feb 2007, 22:24, edited 1 time in total.
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Re: CR1000 - The biologist and the politician [#permalink]

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09 Feb 2007, 09:52
Very good ncprasad! I would encourage all to think this way for logic type questions. Check out this sticky thread: http://www.gmatclub.com/phpbb/viewtopic.php?t=14547
It may seem dense but it's going to be very helpful for reaching a high verbal score.

Let's symbolize the problem. D=deforestation, E=extinction
All the other details such as Koala and whatnot is not important.

[quote="kripalkavi"]â€œIf the forest continues to disappear at its present pace, the koala will approach extinction,â€
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Re: CR1000 - The biologist and the politician [#permalink]

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10 Feb 2007, 03:43
[quote="HongHu"]Very good ncprasad! I would encourage all to think this way for logic type questions. Check out this sticky thread: http://www.gmatclub.com/phpbb/viewtopic.php?t=14547
It may seem dense but it's going to be very helpful for reaching a high verbal score.

Let's symbolize the problem. D=deforestation, E=extinction
All the other details such as Koala and whatnot is not important.

[quote="kripalkavi"]â€œIf the forest continues to disappear at its present pace, the koala will approach extinction,â€
Re: CR1000 - The biologist and the politician   [#permalink] 10 Feb 2007, 03:43

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