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Insect infestations in certain cotton-growing regions of the

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Re: Insect infestations in certain cotton-growing regions of the world hav [#permalink]

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New post 29 Apr 2015, 05:19
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Re: Insect infestations in certain cotton-growing regions of the world hav [#permalink]

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New post 29 Apr 2015, 12:05
IMO answer is B.

I actually chose c, but on a second thought B is a better choice than C.


vivektripathi wrote:
Insect infestations in certain cotton-growing regions of the world have caused dramatic
increases in the price of cotton on the world market. By contrast, the price of soybeans
has long remained stable. Knowing that cotton plants mature quickly, many soybean
growers in Ortovia plan to cease growing soybeans and begin raising cotton instead,
thereby taking advantage of the high price of cotton to increase their income significantly,
at least over the next several years.
Which of the following, if true, most seriously weakens the plan’s chances for success?
A. The cost of raising soybeans has increased significantly over the past several
years and is expected to continue to climb.
B. Tests of a newly developed, inexpensive pesticide have shown it to be both
environmentally safe and effective against the insects that have infested cotton
crops.
C. In the past several years, there has been no sharp increase in the demand for
cotton and for goods made out of cotton.
D. Few consumers would be willing to pay significantly higher prices for cotton
goods than they are now paying.
E. The species of insect that has infested cotton plants has never been known to
attack soybean plants.

Question is realy tricky, can some explain how to crack these kind of CR questions?

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Insect infestations in certain cotton-growing regions of the [#permalink]

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New post 29 Apr 2015, 19:01
shriramvelamuri wrote:
IMO answer is B.

I actually chose c, but on a second thought B is a better choice than C.

vivektripathi wrote:
Insect infestations in certain cotton-growing regions of the world have caused dramatic increases in the price of cotton on the world market. By contrast, the price of soybeans as long remained stable. Knowing that cotton plants mature quickly, many soybean growers in Ortovia plan to cease growing soybeans and begin raising cotton instead, thereby taking advantage of the high price of cotton to increase their income significantly, at least over the next several years.

Which of the following, if true, most seriously weakens the plan’s chances for success?

A. The cost of raising soybeans has increased significantly over the past several years and is expected to continue to climb.
B. Tests of a newly developed, inexpensive pesticide have shown it to be both environmentally safe and effective against the insects that have infested cotton crops.
C. In the past several years, there has been no sharp increase in the demand for cotton and for goods made out of cotton.
D. Few consumers would be willing to pay significantly higher prices for cotton goods than they are now paying.
E. The species of insect that has infested cotton plants has never been known to attack soybean plants.

Question is realy tricky, can some explain how to crack these kind of CR questions?


Hi shriramvelamuri, and the rest of the GC community,

GMAT Prep questions are always especially valuable. Let's take a look at this question together:

Insect infestations in certain cotton-growing regions of the world have caused dramatic increases in the price of cotton on the world market. By contrast, the price of soybeans has long remained stable. Knowing that cotton plants mature quickly, many soybean growers in Ortovia plan to cease growing soybeans and begin raising cotton instead, thereby taking advantage of the high price of cotton to increase their income significantly, at least over the next several years.

Which of the following, if true, most seriously weakens the plan’s chances for success?

Question Type: Weaken
Missing Information: The argument magically assumes that the plan is actually likely to work
Goal: We need to find the option that destroys the chances that the plan to grow cotton will boost income

A. The cost of raising soybeans has increased significantly over the past several years and is expected to continue to climb.

If these farmers were otherwise going to grow soybeans, and soybeans turn out to be more expensive to grow, this option actually strengthens the idea that switching to cotton will boost income.

B. Tests of a newly developed, inexpensive pesticide have shown it to be both environmentally safe and effective against the insects that have infested cotton crops.

This option introduces the news that there are tests that seem to show that there is be a cure to treat the infestation plaguing cotton. If that were true, then it would significantly weaken the idea that there is a profit opportunity to grow cotton instead of soybeans. The time-frame between when this insecticide leaves testing and when it's available for commercial application could raise an ambiguity though. We always need to check all 5 options, and here that added confirmation would be valuable to determine whether the time-frame of testing to release ambiguity is a big enough concern. All of the other options subsequently prove wrong, so this is the only option that clearly damages the notion that switching to cotton presents an income boosting opportunity.

C. In the past several years, there has been no sharp increase in the demand for cotton and for goods made out of cotton.

This option does nothing for us because for all we know the current demand for cotton is plenty sufficient to support the profitable shift from growing soybeans to cotton. This option just doesn't supply us enough information to know that the current demand for cotton will be problematic. Also notice that option says that "there has been no SHARP increase". That could actually still mean that the demand for cotton is on the rise. In that sense, this option could actually strengthen the proposal.

D. Few consumers would be willing to pay significantly higher prices for cotton goods than they are now paying.

Prices of cotton HAVE ALREADY increased, and the income boosting opportunity from cotton already exists with prices at current levels. If prices can’t increase further, would that weaken the proposal? No. The prices could be fine enough as they are for the opportunity to still exist. Accordingly, this option does not clearly weaken the likelihood of a boost in income for those who switch to cotton.

E. The species of insect that has infested cotton plants has never been known to attack soybean plants.

This option has absolutely no relevance to a shift from soybeans to cotton. The infestation either could or could not impact soybeans in the future and the move to grow cotton could still be more profitable than growing soybeans has been.
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Last edited by EMPOWERgmatMax on 29 Apr 2015, 21:27, edited 2 times in total.

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Re: Insect infestations in certain cotton-growing regions of the world hav [#permalink]

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New post 29 Apr 2015, 20:12
1
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They have replaced Option D in other link of the same qsn in GMAT Club

Search in google and open that to realize the answer is clearly Option B

But here in this link , there is an clash between B and D

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Re: Insect Infestations in certain cotton growing regions of the [#permalink]

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New post 17 May 2015, 07:15
monikaleoster wrote:
Insect Infestations in certain cotton growing regions of the world have caused dramatic increases of cotton on the world market. Knowing that cotton plants mature quickly, many soybean growers in Ortovia plan to cease growing soybeans, the price of which has long been stable and to begin raising cotton instead, thereby taking advantage of the high price of cotton to increase their income significantly over the next several years.
Which of the following, if true, most calls into question the reasoning on which the plan is based?
A. The cost of raising soybeans has increased significantly over the past several years and is expected to continue to climb.
B. Tests of a newly developed, inexpensive pesticide have shown it to be both environmentally safe and effective against the insects that have infected the cotton crops.
C. In the past several years, there has been no sharp increase in the demand for cotton, and for goods made out of cotton.
D. Many consumers consider cotton cloth a necessity rather than a luxury and would be willing to pay significantly higher prices for cotton goods than they are currently paying
E. The species of insect that has infested the cotton plants has never been known to infest soybean plants

Here reasoning are 1.Insect infestations brought dramatic change 2.cotton plants grow quickly and is of high price
conclusion is : Farmers had stopped growing soyabean and to gain more profit started growing cotton


Please tell the explanation of official answer



B.It attacks he premise on which argument is based.
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Re: Insect Infestations in certain cotton growing regions of the [#permalink]

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New post 20 Jul 2015, 22:37
Why not E? The soyabean growers assume that their cotton plants will not be infested

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Re: Insect infestations in certain cotton-growing regions of the [#permalink]

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New post 09 Jan 2016, 22:49
Hello from the GMAT Club VerbalBot!

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Re: Insect Infestations in certain cotton growing regions of the [#permalink]

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New post 07 Aug 2016, 13:40
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Insect Infestations in certain cotton growing regions of the [#permalink]

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New post 19 Oct 2016, 06:24
Hi JarvisR,

The question says that which option calls the reason given into question rather than the argument/plan into question. So, I thought that there might be different reason because of which farmers chose to go with cotton than growing prices. Shouldn't the question explicitly write if it wants to call plan into action?
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Re: Insect infestations in certain cotton-growing regions of the [#permalink]

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New post 29 May 2017, 13:16
D is wrong because it addresses a situation in which the price will get even higher than what it is now.
The soy farmers don't expect the price to get even higher, It is already profitable for them to switch into cotton in current prices and actually if they will eventually supply will rise and prices are even expected to get down a bit.

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Re: Insect infestations in certain cotton-growing regions of the [#permalink]

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New post 29 Jul 2017, 11:45
I was stuck between B and E actually...

B is a very plausible answer, and i should have picked it based on simplicity (see below), but i was scared off because it was introducing new information not related to the reasoning stated in the paragraph...

E is still plausible (and makes this a broken question to some extent IMO) because the insects have infected multiple regions and there is no reason to think the same insects arent also living in Ortovia and will cause the same problems. E gives us more reason to believe this, since the farmers might not realize the insects are native to their area since they never attacked their plants before.

Not sure why people were considering C or D... C just means you wont be serving an expanding market, but the whole idea here is that you're replacing production that has died off, so there is still in theory room for your new cotton in the market. D doesnt call your reasoning into question, it helps the plan by validating the higher prices your plan is based on

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Re: Insect infestations in certain cotton-growing regions of the [#permalink]

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New post 14 Aug 2017, 05:05
B.

I was stuck with D then because the business of cotton isn't the only place where cotton can be sold.
If inexpensive pesticides are available then the price of cotton wont go up.

Thus the plan of the farmers to earn profits wont be successful because of the low price of cotton.
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Re: Insect infestations in certain cotton-growing regions of the   [#permalink] 14 Aug 2017, 05:05

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