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# Comparison Revision: Numerous studies have shown that

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Comparison Revision: Numerous studies have shown that  [#permalink]

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25 Feb 2015, 09:59
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45% (medium)

Question Stats:

61% (01:03) correct 39% (02:09) wrong based on 940 sessions

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This question is part of the GMAT Club Sentence Correction : Comparison" Revision Project.

Numerous studies have shown that the income levels of working adults who were students of average academic ability often surpass the income levels of those adults who were once students of exceptional academic abilities.

A. the income levels of those adults who were once students of exceptional academic abilities

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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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25 Feb 2015, 10:30
1
A. the income levels of those adults who were once students of exceptional academic abilities

C. those of adults who were students of exceptional academic ability - correct

D. adults who were students of exceptional academic ability - wrong comparison

OA - C
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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25 Feb 2015, 11:42
C is correct.
in A - the income levels of those adults - redundant
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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25 Feb 2015, 23:49
Clearly C compares both the groups
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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26 Feb 2015, 00:09
students of exceptional academic abilities- sounds wrong. It has to be exceptionally able students academically? Basically it should mean students with exceptional abilities

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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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26 Feb 2015, 01:22
souvik101990 wrote:
This question is part of the GMAT Club Sentence Correction : Comparison" Revision Project.

Numerous studies have shown that the income levels of working adults who were students of average academic ability often surpass the income levels of those adults who were once students of exceptional academic abilities.

A. the income levels of those adults who were once students of exceptional academic abilities

+1 for C. Has the correct comparison.
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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26 Feb 2015, 03:20
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1
Numerous studies have shown that the income levels of working adults who were students of average academic ability often surpass the income levels of those adults who were once students of exceptional academic abilities.

A. the income levels of those adults who were once students of exceptional academic abilities..
once is redundant.. does not follow parallelism
no requirement of had been and structure of the sentence not proper

correct as it is

wrong comparisons

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Comparison Revision: Numerous studies have shown that  [#permalink]

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01 Mar 2015, 02:47
4
The original sentence correctly makes a comparison between the income levels of
working adults who were average students and the income levels of students who
were exceptional students. These two elements are logically parallel, and thus should
be structurally parallel. However, this sentence is problematic in its use of the term
"those adults," since the pronoun "those" is both unnecessary and not parallel in this
context. Also, the phrase “of exceptional academic abilities” is not precisely parallel
to the phrase “of average academic ability” in the non-underlined portion of the
sentence. As this sentence makes a comparison, the two elements should be as
parallel as possible.
(A) This choice is incorrect as it repeats the original sentence.
(B) This choice correctly uses "those" to refer to income levels, enabling a correctly
framed comparison. However, it incorrectly uses the past perfect tense "had been,"
which is unjustified by the sentence and is not parallel to the simple past tense "were"
used earlier to describe students of average academic ability. Finally, “exceptionally
able students academically” is both unparallel and awkward.
(C) CORRECT. The pronoun "those" is correctly used to refer to income levels,
enabling a properly drawn comparison. Additionally, the simple past tense verb
"were" is parallel to the verb "were" in the non-underlined portion of the sentence.
(D) This choice incorrectly compares income level to adults, rather than the proper
comparison between income levels and income levels.
(E) This choice incorrectly uses the past perfect tense “had been," which is unjustified
and also not parallel to the non-underlined simple past tense verb "were."
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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28 Jun 2017, 23:00
a change from "abilities" to "ability" in C do not affect the sentence at all. If it does not some effects, what is the grammar issue here?
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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29 Jun 2017, 04:12
Numerous studies have shown that the income levels of working adults who were students of average academic ability often surpass the income levels of those adults who were once students of exceptional academic abilities.
A. the income levels of those adults who were once students of exceptional academic abilities – the two groups are not structurally parallel; usage of once is redundant
B. those of adults who had been exceptionally able students academically – parallelism issue ; usage of past perfect had been is incorrect
C. those of adults who were students of exceptional academic ability - Correct
D. adults who were students of exceptional academic ability – illogical comparison
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Comparison Revision: Numerous studies have shown that  [#permalink]

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Updated on: 29 Jun 2017, 07:01
Skywalker18 wrote:
Numerous studies have shown that the income levels of working adults who were students of average academic ability often surpass the income levels of those adults who were once students of exceptional academic abilities.
A. the income levels of those adults who were once students of exceptional academic abilities – the two groups are not structurally parallel; usage of once is redundant
B. those of adults who had been exceptionally able students academically – parallelism issue ; usage of past perfect had been is incorrect
C. those of adults who were students of exceptional academic ability - Correct
D. adults who were students of exceptional academic ability – illogical comparison

what I want to know is whether there is any problem, or any issue with changing from "abilities" to "ability"

Originally posted by chesstitans on 29 Jun 2017, 06:41.
Last edited by chesstitans on 29 Jun 2017, 07:01, edited 1 time in total.
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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29 Jun 2017, 06:44
chesstitans wrote:
a change from "abilities" to "ability" in C do not affect the sentence at all. If it does not some effects, what is the grammar issue here?

Though A and C are both gramatically correct, C uses fewer words to express the same idea. Hence C is better than E ( concision).
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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29 Jun 2017, 07:55
chesstitans wrote:
Skywalker18 wrote:
Numerous studies have shown that the income levels of working adults who were students of average academic ability often surpass the income levels of those adults who were once students of exceptional academic abilities.
A. the income levels of those adults who were once students of exceptional academic abilities – the two groups are not structurally parallel; usage of once is redundant
B. those of adults who had been exceptionally able students academically – parallelism issue ; usage of past perfect had been is incorrect
C. those of adults who were students of exceptional academic ability - Correct
D. adults who were students of exceptional academic ability – illogical comparison

what I want to know is whether there is any problem, or any issue with changing from "abilities" to "ability"

for me A is wrong because it is using "the income levels" and "those" one can use either "the income levels or those" C is precise...It uses "those" which represents "the income levels"
C says The Income Level of working adults often surpass those [the income levels] of adults who were once.....precise and clear
One can see that the original sentence uses "students of Average academic ability" one can see that average academic ability stands as one unit and changing it to abilities in A might be wrong because we are comparing average academic ability to exceptional academic ability.
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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29 Jun 2017, 09:22
I have a question regarding A
if once is removed from option A will it be correct then ?
Is abilities in A a split ?
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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13 Sep 2017, 00:51
sayantanc2k wrote:
chesstitans wrote:
a change from "abilities" to "ability" in C do not affect the sentence at all. If it does not some effects, what is the grammar issue here?

Though A and C are both gramatically correct, C uses fewer words to express the same idea. Hence C is better than E ( concision).

If in C, 'those' refers to 'the income levels' then C becomes as following:

Numerous studies have shown that the income levels of working adults who were students of average academic ability often surpass the income levels of adults who were students of exceptional academic ability.

Doesn't option C change the meaning?
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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16 Mar 2018, 05:24
sayantanc2k wrote:
chesstitans wrote:
a change from "abilities" to "ability" in C do not affect the sentence at all. If it does not some effects, what is the grammar issue here?

Though A and C are both gramatically correct, C uses fewer words to express the same idea. Hence C is better than E ( concision).

Does this make some nonsensical meaning - student of ....
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Re: Comparison Revision: Numerous studies have shown that  [#permalink]

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16 Mar 2018, 06:03
Does this make some nonsensical meaning - student of ....

Remember a very big rule of SC questions on GMAT. NEVER eliminate any answer choice just because it doesn't make sense.

Hence, that should not be the reason to reject option C.

Does that make sense?
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