Today, because of improvements in agricultural technology, : GMAT Sentence Correction (SC)
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# Today, because of improvements in agricultural technology,

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Today, because of improvements in agricultural technology, [#permalink]

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09 Oct 2012, 01:21
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Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.

(A) double the apples that it has
(B) twice as many apples as it did
(C) as much as twice the apples it has
(D) two times as many apples as there were
(E) a doubling of the apples that it did
[Reveal] Spoiler: OA

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Re: Today, because of improvements in agricultural technology, [#permalink]

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09 Oct 2012, 01:21
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souvik101990 wrote:
Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.

(A) double the apples that it has
(B) twice as many apples as it did
(C) as much as twice the apples it has
(D) two times as many apples as there were
(E) a doubling of the apples that it did

A. Too many wrong stuffs going on. Double could be associated with a number or a figure but not apples. Also "has" is incorrect. the verb needs to be parallel with the past tense of produced. So "has" doesnt do it. we need "did" This is often tested on the GMAT. An analogy could be:
I scored less than I had in the last exam. NOT CORRECT
I scored less than I did in the last exam. CORRECT
C. as much as cannot denote quantity. "much" denotes items that are not quantifiable.
D. Same problem as A. we need "did" not "were". Also two times as many is wordy.
E. Acreage cannot produce a doubling. It can produce double the number of apples.

B. CORRECT
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Re: Today, because of improvements in agricultural technology, [#permalink]

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11 Oct 2012, 00:46
souvik101990 wrote:
Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.

(A) double the apples that it has
(B) twice as many apples as it did
(C) as much as twice the apples it has
(D) two times as many apples as there were
(E) a doubling of the apples that it did

The only choices that make sense are B and E - look at the final verbe did but in E a doubling is clearly wrong and weird

B wins
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Re: Today, because of improvements in agricultural technology, [#permalink]

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11 Oct 2012, 03:25
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On hindsight the answer seems to be B.

The concept to learn here is the difference between Twice and Double

Searched all over the net, but found contradicting answers. Can someone throw some light on the same.
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Re: Today, because of improvements in agricultural technology, [#permalink]

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14 Oct 2012, 01:06
getgyan wrote:
On hindsight the answer seems to be B.

The concept to learn here is the difference between Twice and Double

Searched all over the net, but found contradicting answers. Can someone throw some light on the same.

Hi

I think Double is used when some item/thing itself doubled for example:

There were only 11100000 MBA graduates in 1990, double the figure for 2012

So here figure itself double but for the question at hand, the applies did not double (it should have at-least read "double the nos of apples") so twice is preferred!

Makes sense?
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Re: Today, because of improvements in agricultural technology, [#permalink]

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14 Oct 2012, 04:27
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souvik101990 wrote:
Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.

(A) double the apples that it has
(B) twice as many apples as it did
(C) as much as twice the apples it has
(D) two times as many apples as there were
(E) a doubling of the apples that it did

A. Too many wrong stuffs going on. Double could be associated with a number or a figure but not apples. Also "has" is incorrect. the verb needs to be parallel with the past tense of produced. So "has" doesnt do it. we need "did" This is often tested on the GMAT. An analogy could be:
I scored less than I had in the last exam. NOT CORRECT
I scored less than I did in the last exam. CORRECT
C. as much as cannot denote quantity. "much" denotes items that are not quantifiable. Also we need "did"
D. Same problem as A. we need "did" not "were". Also two times as many is wordy.
E. Acreage cannot produce a doubling. It can produce double the number of apples.

B. CORRECT
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Re: Today, because of improvements in agricultural technology, [#permalink]

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14 Oct 2012, 05:44
souvik101990 wrote:
souvik101990 wrote:
Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.

(A) double the apples that it has
(B) twice as many apples as it did
(C) as much as twice the apples it has
(D) two times as many apples as there were
(E) a doubling of the apples that it did

A. Too many wrong stuffs going on. Double could be associated with a number or a figure but not apples. Also "has" is incorrect. the verb needs to be parallel with the past tense of produced. So "has" doesnt do it. we need "did" This is often tested on the GMAT. An analogy could be:
I scored less than I had in the last exam. NOT CORRECT
I scored less than I did in the last exam. CORRECT
C. as much as cannot denote quantity. "much" denotes items that are not quantifiable.
D. Same problem as A. we need "did" not "were". Also two times as many is wordy.
E. Acreage cannot produce a doubling. It can produce double the number of apples.

B. CORRECT

thanks souvik101990. you post interesting and challenging problems. Pls continue to do so.
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Re: Today, because of improvements in agricultural technology, [#permalink]

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14 Oct 2012, 11:41
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No, contrary to much of the discussion here, this is not a question about the use of word "double."

Start with the split among has/did/were, that is, the choice between simple past and present perfect.

Use simple past here, because (1) all the action described by the verb has/did/were took place in 1910, (2) we use present perfect--has/have+past participle--only for an action or event that began in the past and continues (or whose effects continue) into the present. Eliminate A and C.

Use the pro-verb "did" to represent the verb "produced." Eliminate D.

The acreage produces apples ("twice as many apples") not an event ("a doubling of the apples"). Apart from this meaning issue, the GMAT generally prefers nice, concrete noun phrases to vague action nouns. Eliminate E.

That leaves B.

I would be very surprised to see a GMAT question settled by a choice between "double the number" and "twice as many."
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Re: Today, because of improvements in agricultural technology, [#permalink]

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14 Oct 2012, 12:07
Yeah I think I mentioned has/did as the breaker here.
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Re: Today, because of improvements in agricultural technology, [#permalink]

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06 Jan 2013, 23:10
regarding ellipsis

"did" can be used if there is a verb in present tense
"do" can stand for a verb in present tense
"have done" can stand for a ver in present perfect.

pls, list the other cases of ellipsis, if you know

are the above cases correct?
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Re: Today, because of improvements in agricultural technology, [#permalink]

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03 Oct 2014, 08:18
I see a discrepancy in this sentence. In a sentence - in an effort to reduce inventories Italian vintners ... - we eliminated answers because ellipsis was faulty. In other words words that were omitted were not in the same form as earlier. But in this sentence -did- replaces the word produced which does not exist anywhere. Can someone explain this?
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Re: Today, because of improvements in agricultural technology, [#permalink]

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22 Oct 2014, 01:02
Sorry I don't understand
Between B and D, why is it B?

Any link on when you use 'did' and 'were'? :\
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Re: Today, because of improvements in agricultural technology, [#permalink]

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22 Oct 2014, 15:53
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The idea here is that "were" and "did" can stand in for a previous verb, just like pronouns can stand in for a previous noun. "Were" typically stands in for another use of "was" or "were," or, if there has been a shift in time, for another form of "to be":

My parents were not as excited about the trip as my sister and I were. ("Were" stands for "were excited.")
The current generation of entrepreneurs will not be as successful as their predecessors were. ("Were" stands for "were successful," referring back to the earlier "will . . . be . . . successful.")

Do/does/did is more all-purpose. It can stand in for any other verb that represents something you would do:

I like pie more than my wife does. (does=likes pie)
He scoffed at the idea, as did most of the other investors. (did=scoffed at the idea)

With all this in mind, let's look at B and D:

B) Today, because of improvements in agricultural technology, the same amount of acreage produces twice as many apples as it did in 1910.

Did = produce. A certain acreage produces twice as many apples as that same acreage did (produce) in 1910. This works fine.

D) Today, because of improvements in agricultural technology, the same amount of acreage produces two times as many apples as there were in 1910.

Here, "were" stands in for what? There is no previous use of "were," or any other form of "to be," for that matter. That might be okay, as we are actually using a common comparison expression. The real meaning is that there are twice as many apples now as there were in 1910. The problem is that we aren't comparing the same things. We are comparing what a certain acreage produces now to how many apples existed in 1910. This doesn't make sense. It would be like saying "The average bond trader today earns twice as much as there was in 1940." Unless we mean that the average bond trader makes more money than there was in the whole world in 1940, this doesn't work. And if that is what we mean, I think I'll retire from gmatclub and take up bond trading.
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Re: Today, because of improvements in agricultural technology, [#permalink]

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12 Jul 2015, 20:17
DmitryFarber wrote:
The idea here is that "were" and "did" can stand in for a previous verb, just like pronouns can stand in for a previous noun. "Were" typically stands in for another use of "was" or "were," or, if there has been a shift in time, for another form of "to be":

My parents were not as excited about the trip as my sister and I were. ("Were" stands for "were excited.")
The current generation of entrepreneurs will not be as successful as their predecessors were. ("Were" stands for "were successful," referring back to the earlier "will . . . be . . . successful.")

Do/does/did is more all-purpose. It can stand in for any other verb that represents something you would do:

I like pie more than my wife does. (does=likes pie)
He scoffed at the idea, as did most of the other investors. (did=scoffed at the idea)

With all this in mind, let's look at B and D:

B) Today, because of improvements in agricultural technology, the same amount of acreage produces twice as many apples as it did in 1910.

Did = produce. A certain acreage produces twice as many apples as that same acreage did (produce) in 1910. This works fine.

D) Today, because of improvements in agricultural technology, the same amount of acreage produces two times as many apples as there were in 1910.

Here, "were" stands in for what? There is no previous use of "were," or any other form of "to be," for that matter. That might be okay, as we are actually using a common comparison expression. The real meaning is that there are twice as many apples now as there were in 1910. The problem is that we aren't comparing the same things. We are comparing what a certain acreage produces now to how many apples existed in 1910. This doesn't make sense. It would be like saying "The average bond trader today earns twice as much as there was in 1940." Unless we mean that the average bond trader makes more money than there was in the whole world in 1940, this doesn't work. And if that is what we mean, I think I'll retire from gmatclub and take up bond trading.

thank you Manhantan expert for great explanaion.

can you tell me of HAS in C? is HAS correct? pls, explain this point in C. pls do not explain other points in C. Thank you
I ask you of HAS because HAS is relevant to the point you mention above.
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Re: Today, because of improvements in agricultural technology, [#permalink]

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09 Feb 2016, 01:14
I agree with the did/were argument , but does the "it" have a proper antecedent . Isn't acreage in the prepositional phase .
It - referring to same amount is wrong .
Re: Today, because of improvements in agricultural technology,   [#permalink] 09 Feb 2016, 01:14
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