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In Scotland, the number of wild salmon have been reduced because of un

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In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post Updated on: 15 Jan 2019, 09:35
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In Scotland, the number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting, by pollution, and by various other threats to the fish’s habitat.


A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting

B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled

C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting

D. wild salmon’s numbers are reduced by deep-sea and coastal netting that is not controlled

E. wild salmon’s numbers have been reduced by uncontrolled deep-sea and coastal netting

Originally posted by solidcolor on 01 Sep 2007, 00:28.
Last edited by Bunuel on 15 Jan 2019, 09:35, edited 1 time in total.
Renamed the topic and edited the question.
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 01 Sep 2007, 14:02
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4
I will go with E.
This agree with subject and follows parallel structure for the later part of the sentence.

solidcolor wrote:
In Scotland, the number of wild salmon have been reduced because of uncontrolled deepsea and coastal netting, by pollution, and by various other threats to the fish’s habitat.

A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting
It needs to be has to agree with the number of and later part is not parallel.

B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled
Introduction of subordinate clause using because destroys parallelism.

C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting

the numbers of is not correct, it needs to the number of and because of destroys parallelism.

D. wild salmon’s numbers are reduced by deep-sea and coastal netting that is not controlled
Not parallel. It gives the impression that coastal netting is not controlled by pollution, and by various other threats rather than salmon.

E. wild salmon’s numbers have been reduced by uncontrolled deep-sea and coastal netting

Subject agrees with verb and also rest of the sentence is parallel as all the reasons are starting by "by".

Good question.....
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post Updated on: 01 Sep 2007, 11:21
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solidcolor wrote:
In Scotland, the number of wild salmon have been reduced because of uncontrolled deepsea and coastal netting, by pollution, and by various other threats to the fish’s habitat.

A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting
B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled
C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting
D. wild salmon’s numbers are reduced by deep-sea and coastal netting that is not controlled
E. wild salmon’s numbers have been reduced by uncontrolled deep-sea and coastal netting


It is pretty confusing for me, But will stick to C

...the number of ... is singular.
but as for the paralellism in here: ...because of...by...by... have no reasoning.

wild salmon's numbers--a bit not sure about this in D --- it is like a fish assigned a number and it is reduced. let's say the fish numbered and the numbers changed.

I think NUMBERS in here doesnt convey the menaing of QUANTITY.

any better ideas?

Originally posted by Ravshonbek on 01 Sep 2007, 11:06.
Last edited by Ravshonbek on 01 Sep 2007, 11:21, edited 3 times in total.
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 02 Sep 2007, 11:23
In Scotland, the number of wild salmon have been reduced because of uncontrolled deepsea and costal netting, by pollution, and by various other threats to the fish's habitat.

(A) number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting

(B) number of wild salmon is reduced because deep-sea and coastal netting is not controlled

(C) numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting

(D) wild salmon's numbers are reduced by deep-sea and coastal netting that is not controlled

(E) wild salmon's numbers have been reduced by uncontrolled deep-sea and coastal netting

My doubt :roll: :roll: :roll: Dont we need 'is'/'has' with The number since the number is singular? I understand that although E is parallel it is also plural... So how come E is correct still?

C lags parallelism but is singular...

Please help me with my confusion
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 02 Sep 2010, 06:37
2
Actually it is kind of easy

A- The number of wild solman HAVE--not correct
B- Deep sea and coastal netting IS---not correct
C- the NUMBERS- not correct
D- same reason with B
E- it is the correct one

you can do it in 20 sec
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 04 Jul 2011, 20:32
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siddhans wrote:
My doubt :roll: :roll: :roll: Dont we need 'is'/'has' with The number since the number is singular? I understand that although E is parallel it is also plural... So how come E is correct still?

C lags parallelism but is singular...

Please help me with my confusion

In Scotland, the number of wild salmon have been reduced because of uncontrolled deepsea and costal netting, by pollution, and by various other threats to the fish's habitat.

A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting
B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled
C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting
D. wild salmon's numbers are reduced by deep-sea and coastal netting that is not controlled
E. wild salmon's numbers have been reduced by uncontrolled deep-sea and coastal netting


Clean E.
You are right that 'the number of' needs 'singular' but if you see , E changes that structure.
'Wild Salmon's numbers' = plural , hence 'have'
E also maintains ||sm reduced by'A and B', by C , and by D.
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 04 Jul 2011, 20:35
sudhir18n wrote:
siddhans wrote:
Spoiler: :: My doubt :roll: :roll: :roll:
Dont we need 'is'/'has' with The number since the number is singular? I understand that although E is parallel it is also plural... So how come E is correct still?

C lags parallelism but is singular...

Please help me with my confusion

In Scotland, the number of wild salmon have been reduced because of uncontrolled deepsea and costal netting, by pollution, and by various other threats to the fish's habitat.

A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting
B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled
C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting
D. wild salmon's numbers are reduced by deep-sea and coastal netting that is not controlled
E. wild salmon's numbers have been reduced by uncontrolled deep-sea and coastal netting


Clean E.
You are right that 'the number of' needs 'singular' but if you see , E changes that structure.
'Wild Salmon's numbers' = plural , hence 'have'
E also maintains ||sm reduced by'A and B', by C , and by D.


When is the usage of possessibe nouns correct in GMAT like in case of E? I sometimes eliminate choices if I see possessive nouns...
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 07 Aug 2011, 11:50
siddans, the confusion might come from a few different phrases that look very similar:

"the number of" takes a singular verb
"a number of" takes a plural verb
"numbers" will take a plural verb

This knocks off A and C. A big difference between B, D, and E is that E uses the present perfect (which neatly indicates that the action we're talking about here-- the reduction of the wild salmon's numbers--is a complete action in the past, and that we currently still feel the effects of that action in the present). B and D also violate parallelism, as mentioned above, so E is the only choice left standing.

OP, was "the" non-underlined? That seems important, because the inclusion of the definite article in the phrase "the wild salmon's" makes it crystal clear that we are talking in the abstract--"the wild salmon" as a SPECIES is what has had its numbers reduced.
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 29 May 2014, 21:23
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1
In Scotland, the number of wild salmon have been reduced because of uncontrolled deepsea and coastal netting, by pollution, and by various other threats to the fish’s habitat.

A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting
Wrong, should be number has been reduced, Parallelism missing
B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled
Wrong, Parallelism missing
C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting
Wrong, should be numbers of wild salmon have been reduced, Parallelism missing
D. wild salmon’s numbers are reduced by deep-sea and coastal netting that is not controlled
Wrong, Should be have been reduced
E. wild salmon’s numbers have been reduced by uncontrolled deep-sea and coastal netting
Correct

Take Away:
Always pay attention to the item before the and in a list, and make every item parallel to that.
The number of - Singular,
A number of - plural

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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 27 Sep 2016, 07:36
In Scotland, the number of wild salmon have been reduced because of uncontrolled deepsea and coastal netting, by pollution, and by various other threats to the fish’s habitat.

Here, Parallelism needed : by x || by y || (and) by z

A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting --> "i) the number - have" subject-verb number mismatch. require singular verb ii) parallelism error
B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled --> because x || by y & by z - Not parallel
C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting --> i) "the numbers of x has" : subject-verb number mismatch. require plural verb ii) parallelism error
D. wild salmon’s numbers are reduced by deep-sea and coastal netting that is not controlled --> "deep-sea and coastal netting that is not controlled" not parallel to "by pollution, and by various other threats to the fish’s habitat"
E. wild salmon’s numbers have been reduced by uncontrolled deep-sea and coastal netting --> Correct - Parallel
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 28 Nov 2017, 05:32
In Scotland, the number of wild salmon have been reduced because of uncontrolled deepsea and coastal netting, by pollution, and by various other threats to the fish’s habitat.

A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting - subject-verb agreement issue ; parallelism issue
B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled - parallelism issue ; present tense is incorrect here
C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting - subject-verb agreement issue
D. wild salmon’s numbers are reduced by deep-sea and coastal netting that is not controlled - parallelism issue ; present tense is incorrect here - "are reduced" is written in a tense that can NEVER be used for something like that (a single instance; an event)
E. wild salmon’s numbers have been reduced by uncontrolled deep-sea and coastal netting - Correct

Answer E
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Re: In Scotland, the number of wild salmon have been reduced because of un  [#permalink]

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New post 18 Jan 2019, 01:25
solidcolor wrote:
In Scotland, the number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting, by pollution, and by various other threats to the fish’s habitat.


A. number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting

B. number of wild salmon is reduced because deep-sea and coastal netting is not controlled

C. numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting

D. wild salmon’s numbers are reduced by deep-sea and coastal netting that is not controlled

E. wild salmon’s numbers have been reduced by uncontrolled deep-sea and coastal netting


gmat tests meaning ,and , so, we need to understand meaning.
"because" and " because of" are used to show a reason . "by" is used to show an agent making a previous action. inhere, we need to show an agent. we need "by" , not "because of' or "because".

the difference between present perfect and simple present and between present perfect and past perfect is the corner stone of tense system, a point gmat alway want to test us.

simple present shows a timeless fact or a condition which exist indefinitely, we think
present perfect show an action happen in a period from a point in past to present. action can be finished in the past or can continues until present. the difference is that present perfect show a period but simple present shows no period.

it takes a long time of using tenses to see the difference among them.

inhere, reducing need a period to be logic. reducing can not exist indefinitely. present simple is wrong in choice D. E is left.
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Re: In Scotland, the number of wild salmon have been reduced because of un   [#permalink] 18 Jan 2019, 01:25
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