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A new machine for harvesting corn will allow rows to be planted only f

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Re: A new machine for harvesting corn will allow rows to be planted only f [#permalink]

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New post 06 Sep 2017, 01:31
The answer is A
We have to show that the plan will increase the profitability of the farmers .
B is just irrelevant.
C weaken as it will decrease the profitability because bid increased cost of the fertilizers.
D this one is tricky as it tells that the numbers of plants will increase but we do know whether this will offset the low yeild and cost of additional seeds.
E out of scope .
Only A can increase profitability.

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Re: A new machine for harvesting corn will allow rows to be planted only f [#permalink]

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New post 08 Sep 2017, 14:36
Chef wrote:
Thanks Mike.

But how did you assume that the reduction is not more than 50%? Question just says reduced yield per plant.

"essentially, the prompt would be lying by understatement, if the real drop in the yield were more than 50%." Is this an assumption?

Dear Chef,

I'm happy to respond. :-)

My friend, you are using fundamentalist logic. You are reading this GMAT CR practice question with a fundamentalist hyper-literalist reading. The GMAT will punish you over and over if you stick to this reading strategy.

Yes, we have to be careful in reading exactly what the language says, but we have to take into account the sense of the language, how people actually communicate. Everything spoken has implications, and we have to be sensitive to these implications, not simply what is printed in black & white.

Consider the following statement:
"People in the USA are trying overthrow and bring down the entire system of government."
In a fundamentalist reading, this would be true, because there are a very small number of wacky people who have these anarchical designs. In the super literal reading, this sentence is correct. The problem is, this phrase makes it sound as if a large chunk of the population is engaged in these destabilizing efforts, and those implications are 100% false. If you presented this statement to any native English speaker in America and ask them whether it was true or false, almost everyone would say it is false. Here's the statement that native speakers would recognize as true and accurate.
Some very small proportion of people in the USA are trying overthrow and bring down the entire system of government.
The way language is used in everyday life does NOT follow the norms of a fundamentalist reading.

In context, the argument is creating the expectation that, even though we would have double the plants, we would not have quite double the yield, because "corn planted this closely will produce lower yields per plant." Saying this factually like this implies a decrease of maybe up to 20-30%. If a company said, "When you make this change, you will have lower yields," and then the yields went down by 75%, you would have the basis of a possible lawsuit. In other words, the phrasing we are given would sound like a lie if the drop were substantial. To be an honest claim, such a drop would have to be specified:
Corn planted this closely will produce a substantial decrease in yields per plant.
That would be a very different statement, which we would expect would involve a much larger drop.

My friend, you strike me as a person with a brilliant logical mathematical mind who has very little experience reading every day English, in newspapers and new journals. You will not understand what you are missing until you develop the intuition from a habit of reading. See:
How to Improve Your GMAT Verbal Score

Does all this make sense?
Mike :-)
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Re: A new machine for harvesting corn will allow rows to be planted only f [#permalink]

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New post 08 Sep 2017, 22:14
Swagatalakshmi wrote:
Which of the following most logically completes the argument?

A new machine for harvesting corn will allow rows to be planted only fifteen inches apart, instead of the usual thirty inches. Corn planted this closely will produce lower yields per plant. Nevertheless, the new machine will allow corn growers to double their profits per acre because __________________________ .

A. with the closer spacing of the rows, the growing corn plants will quickly form a dense canopy of leaves, which will, by shading the ground, minimize the need for costly weed control and irrigation

B. with the closer spacing of the rows, corn plants will be forced to grow taller because of increased competition for sunlight from neighboring corn plants

C. with the larger number of plants growing per acre, more fertilizer will be required

D. with the spacing between rows cut by half, the number of plants grown per acre will almost double

E. with the closer spacing of the rows, the acreage on which corn is planted will be utilized much more intensively than it was before, requiring more frequent fallow years in which corn fields are left unplanted


look at D, a close answer.
on CR, we alway have a close answer, other three choices easy to eliminate. we need more time to consider close answer. at first close answer is good , but after considering it, it is not correct.

the key to success on CR is ability to realize a close answer. when we are stuck between two choice, we are good at CR already.

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Re: A new machine for harvesting corn will allow rows to be planted only f [#permalink]

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New post 12 Sep 2017, 12:01
Which of the following most logically completes the argument?

A new machine for harvesting corn will allow rows to be planted only fifteen inches apart, instead of the usual thirty inches. Corn planted this closely will produce lower yields per plant. Nevertheless, the new machine will allow corn growers to double their profits per acre because _______.

A. with the closer spacing of the rows, the growing corn plants will quickly form a dense canopy of leaves, which will, by shading the ground, minimize the need for costly weed control and irrigation -Correct. This shows that the costs will actually reduce. From the premise we already know that the produce will increase, so the cost of maintenance should also reduce so that overall we have a profit even though we have a bad yield.

B. with the closer spacing of the rows, corn plants will be forced to grow taller because of increased competition for sunlight from neighboring corn plants -Let them grow taller. We are worried about the cost.

C. with the larger number of plants growing per acre, more fertilizer will be required -This will weaken the answer, since the profits will actually reduce.

D. with the spacing between rows cut by half, the number of plants grown per acre will almost double -We already know this from the premise. This option doesn't tell us that the costs might reduce; since, there is an equal possibility of an increase in the cost of maintenance

E. with the closer spacing of the rows, the acreage on which corn is planted will be utilised much more intensively than it was before, requiring more frequent fallow years in which corn fields are left unplanted -Out of scope
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Re: A new machine for harvesting corn will allow rows to be planted only f [#permalink]

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New post 28 Oct 2017, 04:46
Hi Experts,
I am not convinced with any of the explanations.
A) Doesn't explain why profit will be double, it might increase...but doubling!!!
B) The longer the plant, more could be the yield. Hence substantiating low yield issue. Still doesn't explain doubling of profit.
D) double yield still not sure.
Pls help.

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Re: A new machine for harvesting corn will allow rows to be planted only f [#permalink]

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New post 28 Oct 2017, 15:37
ManishKM1 wrote:
Hi Experts,
I am not convinced with any of the explanations.
A) Doesn't explain why profit will be double, it might increase...but doubling!!!
B) The longer the plant, more could be the yield. Hence substantiating low yield issue. Still doesn't explain doubling of profit.
D) double yield still not sure.
Pls help.

Dear ManishKM1,

I'm happy to respond. :-)

The GMAT CR is designed to prepare you for arguments in the real business world. Some GMAT CR arguments are waterproof, leaving us no doubts, and on others, we simply have to go with the most plausible option. It will be the same in the business world: sometimes you really are guaranteed, but many times, you have to take a gut-level guess and move on. Business people who wait for certainty each time go broke.

Here, we simply do not get an answer that guarantees the doubling. Sometimes the GMAT CR will not give you a 100% perfectly clear answer that guarantees the conclusion we want. Sometimes we just have to go with the most plausible answer. You have to have the intellectual agility to make this adjustment from question to question.

We know the plants will be more dense, and we know that each individual plant will have lower yield.

(A) tells us that another, unrelated big cost will drop--it's at least plausible that this could offset

(B) maybe the plants will be taller, but we know each plant will have a lower yield--no increase

(D) we already know this from the prompt: this adds zero new information

Choice (A) is not guaranteed of doubling, but it's the one that most plausibly conveys some kind of increase in profits.

Does all this make sense?
Mike :-)
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Magoosh Test Prep

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Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)

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Re: A new machine for harvesting corn will allow rows to be planted only f [#permalink]

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New post 28 Oct 2017, 20:11
mikemcgarry wrote:
ManishKM1 wrote:
Hi Experts,
I am not convinced with any of the explanations.
A) Doesn't explain why profit will be double, it might increase...but doubling!!!
B) The longer the plant, more could be the yield. Hence substantiating low yield issue. Still doesn't explain doubling of profit.
D) double yield still not sure.
Pls help.

Dear ManishKM1,

I'm happy to respond. :-)

The GMAT CR is designed to prepare you for arguments in the real business world. Some GMAT CR arguments are waterproof, leaving us no doubts, and on others, we simply have to go with the most plausible option. It will be the same in the business world: sometimes you really are guaranteed, but many times, you have to take a gut-level guess and move on. Business people who wait for certainty each time go broke.

Here, we simply do not get an answer that guarantees the doubling. Sometimes the GMAT CR will not give you a 100% perfectly clear answer that guarantees the conclusion we want. Sometimes we just have to go with the most plausible answer. You have to have the intellectual agility to make this adjustment from question to question.

We know the plants will be more dense, and we know that each individual plant will have lower yield.

(A) tells us that another, unrelated big cost will drop--it's at least plausible that this could offset

(B) maybe the plants will be taller, but we know each plant will have a lower yield--no increase

(D) we already know this from the prompt: this adds zero new information

Choice (A) is not guaranteed of doubling, but it's the one that most plausibly conveys some kind of increase in profits.

Does all this make sense?
Mike :-)


Hi mikemcgarry
Thanks for the explanation. Makes sense. :)

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Re: A new machine for harvesting corn will allow rows to be planted only f   [#permalink] 28 Oct 2017, 20:11

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