Although beavers can still be found throughout the western : GMAT Sentence Correction (SC)
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# Although beavers can still be found throughout the western

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Although beavers can still be found throughout the western [#permalink]

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27 Oct 2012, 11:38
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Although beavers can still be found throughout the western united states, their number has declined compared with the eighteenth century, when the abundance of beavers lured armies of european trappers into the rocky mountain region to slaughter them for their pelts.

A. their number has declined compared with
B. their numbers have declined compared with
C. their numbers have declined since
D. their numbers have declined in comparison to those of
E. the number of them declined since

Kindly explain the usage of "their numbers" in this Question?
[Reveal] Spoiler: OA
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Re: Although beavers can still be found [#permalink]

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27 Oct 2012, 18:27
Although beavers can still be found throughout the western united states, their number has declined compared with the eighteenth century, when the abundance of beavers lured armies of european trappers into the rocky mountain region to slaughter them for their pelts.

A. their number has declined compared with
B. their numbers have declined compared with
C. their numbers have declined since
D. their numbers have declined in comparison to those of
E. the number of them declined since

"their" is the preposition, "beavers" is the antecedent the pronoun is referring to.

A - "has" is incorrect
B - "with" incorrect use
C - Correct
D - Redundant
E - "them" doesn't have a clear antecedent
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Re: Although beavers can still be found [#permalink]

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27 Oct 2012, 18:52
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SOURH7WK wrote:
Although beavers can still be found throughout the western united states, their number has declined compared with the eighteenth century, when the abundance of beavers lured armies of european trappers into the rocky mountain region to slaughter them for their pelts.

A. their number has declined compared with
B. their numbers have declined compared with
C. their numbers have declined since
D. their numbers have declined in comparison to those of
E. the number of them declined since

Kindly explain the usage of "their numbers" in this Question?

Hi SOURH7WK,

As per the meaning of the sentence the phrase "their number" has been used to indicate that the beavers count has decreased since 18th Century.

Now why this whole clause has been used in this case to further indicate that ....."In the 18th Century abundance of beavers lured armies of european trappers into the rocky mountain region to slaughter them for their pelts"

Now as per the answer choices here

A. their number has declined compared with

1)Decline of the number has been compared with the 18th century which is not correct

B. their numbers have declined compared with

1)Same issue as with original one.

C. their numbers have declined since

Correct option as now, since has been used to indicate an action which started in the past and still the beaver count is decreasing.

D. their numbers have declined in comparison to those of

1) This option intends that there are two groups of Beavers whose numbers have been compared which is incorrect as indicated by the dep. clause "Although beavers can still be...."

E. the number of them declined since

1) the number of them is not a correct usage.

Pls let me know if i'm missing a pt here

Thanks
Jatin
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Re: Although beavers can still be found [#permalink]

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28 Oct 2012, 01:10
My question is why the correct choice is using "numbers"? why not "number"?
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Re: Although beavers can still be found [#permalink]

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28 Oct 2012, 05:33
SOURH7WK wrote:
My question is why the correct choice is using "numbers"? why not "number"?

Hi SOURH7WK

Since it is Beavers which indicates a plural noun and hence the usage of their number -- plural possesive phrase.

Thanks
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Re: Although beavers can still be found [#permalink]

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30 Oct 2012, 07:54
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SOURH7WK’s specific query is: why the plural term ‘their numbers’ is used and why not simply ‘their number: Am I right?

Well! I think the term “beavers” in the given context does not just denote one type of beavers. There must be several types of beavers, each of them having its own number; to highlight the existence such variety, perhaps the term numbers is used, as far as I could imagine .

P.S. However, Wikipedia says that there is only one type of beaver in North America; so I do not know, how far my imagination can hold out.
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Re: Although beavers can still be found [#permalink]

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31 Oct 2012, 01:59
daagh wrote:
SOURH7WK’s specific query is: why the plural term ‘their numbers’ is used and why not simply ‘their number: Am I right?

Well! I think the term “beavers” in the given context does not just denote one type of beavers. There must be several types of beavers, each of them having its own number; to highlight the existence such variety, perhaps the term numbers is used, as far as I could imagine .

P.S. However, Wikipedia says that there is only one type of beaver in North America; so I do not know, how far my imagination can hold out.

Thanks Daagh. Indeed it was a specific query and u got my query in right way.
In that case I think numbers can denote to different numbers of beavers in different years of 18th Century.
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Re: Although beavers can still be found throughout the western [#permalink]

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10 Sep 2014, 16:57
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Re: Although beavers can still be found throughout the western   [#permalink] 10 Sep 2014, 16:57
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