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GMAT PREP - The number

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Senior Manager
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GMAT PREP - The number [#permalink] New post 04 Jul 2011, 19:56
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

69% (01:41) correct 31% (01:52) wrong based on 16 sessions
[Reveal] 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
[Reveal] Spoiler: OA
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Re: GMAT PREP - The number [#permalink] New post 04 Jul 2011, 20:09
A is definitely wrong, because of singular/plural rule.
B is wrong because of wrong usage of "is"
C is wrong because "the numbers" is not singular, it is plural. Also it lacks parallelism
D changes the meaning of the sentence. also it is awkward.
E changes the structure of the sentence but does not change its meaning, retains parallelism and subject-verb agreement is perfect.
Ans E
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Re: GMAT PREP - The number [#permalink] New post 04 Jul 2011, 20:28
fivedaysleft wrote:
A is definitely wrong, because of singular/plural rule.
B is wrong because of wrong usage of "is"
C is wrong because "the numbers" is not singular, it is plural. Also it lacks parallelism
D changes the meaning of the sentence. also it is awkward.
E changes the structure of the sentence but does not change its meaning, retains parallelism and subject-verb agreement is perfect.
Ans E

Dont we need 'is'/'has' with The number since the number is singular? Why is usage of 'is' wrong in B?? I understand that although E is parallel it is also plural... So how come E is correct still?


Please help me with my confusion
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Re: GMAT PREP - The number [#permalink] New post 04 Jul 2011, 20:32
siddhans wrote:
[Reveal] 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.
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Re: GMAT PREP - The number [#permalink] New post 04 Jul 2011, 20:35
sudhir18n wrote:
siddhans wrote:
[Reveal] 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: GMAT PREP - The number [#permalink] New post 04 Jul 2011, 20:41
first up, B is in simple past. so the option to be correct it has to be "has reduced". If you wanted to use "is", the sentence would be "is reducing" ie present continuous. i hope this is clear?

and secondly, do not eliminate without reading the sentence as a whole. never.
only cases where this kind of elimination works :
1. "do it" ....correct : "do so"
2. "numbers of"....correct : "number of"
3. "whether or not"...correct : "whether"

many times the GMAT changes sentence structure, so beware.
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I am the master of my fate :
I am the captain of my soul.
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Re: GMAT PREP - The number [#permalink] New post 15 Jul 2011, 22:37
sudhir18n wrote:
siddhans wrote:
[Reveal] 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.



Doesnt E also have the ... numbers structure ??? Isnt this incorrect?
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Re: GMAT PREP - The number [#permalink] New post 16 Jul 2011, 05:59
E it is.

In the current lot, E is the best. Though many times GMAT does discourage use of " 's " (possessive nouns).

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Re: GMAT PREP - The number [#permalink] New post 07 Aug 2011, 11:50
Expert's post
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: GMAT PREP - The number [#permalink] New post 07 Aug 2011, 12:25
fivedaysleft wrote:
A is definitely wrong, because of singular/plural rule.
B is wrong because of wrong usage of "is"
C is wrong because "the numbers" is not singular, it is plural. Also it lacks parallelism
D changes the meaning of the sentence. also it is awkward.
E changes the structure of the sentence but does not change its meaning, retains parallelism and subject-verb agreement is perfect.
Ans E


"The number" is singular, "the numbers" is plural
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Re: GMAT PREP - The number [#permalink] New post 07 Aug 2011, 15:45
siddhans wrote:
[Reveal] 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


A, B and C are out as they fail the parallelism test. Between D and E, E wins for active voice.
Re: GMAT PREP - The number   [#permalink] 07 Aug 2011, 15:45
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