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Since 1986 enrollments of African Americans, American

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Since 1986 enrollments of African Americans, American  [#permalink]

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New post 05 Feb 2009, 18:13
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Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in full-time engineering programs in the United States has steadily increased, while the number of other students who enter the field has fallen.

(A) has steadily increased, while the number of other students who enter the field has fallen
(B) has steadily increased, while other students entering the field have declined in number
(C) increased steadily, while there was a decline in the number of other students entering the field
(D) have steadily increased, while the number of other students entering the field has fallen
(E) have steadily increased, while that of other students who enter the field fell
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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 13 Sep 2010, 16:39
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+1 D

That's why:

(A) has steadily increased, while the number of other students who enter the field has fallen - Subject-verb agreement error. Enrollments need HAVE.
(B) has steadily increased, while other students entering the field have declined in number - The same error.
(C) increased steadily, while there was a decline in the number of other students entering the field - "Since" needs present perfect (HAVE), not simple past.
(D) have steadily increased, while the number of other students entering the field has fallen - CORRECT
(E) have steadily increased, while that of other students who enter the field fell. - It should be THOSE to refer the enrollments.

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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 05 Feb 2009, 18:46
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reply2spg wrote:
Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in full-time engineering programs in the United States has steadily increased, while the number of other students who enter the field has fallen.

(A) has steadily increased, while the number of other students who enter the field has fallen
(B) has steadily increased, while other students entering the field have declined in number
(C) increased steadily, while there was a decline in the number of other students entering the field
(D) have steadily increased, while the number of other students entering the field has fallen
(E) have steadily increased, while that of other students who enter the field fell.


enrollments is plural (A&B out) and we need a continuous tense (C out)

in E, that lacks a clear referent and breaks parallelism by using simple past

D is correct
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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 05 Feb 2009, 19:18
icandy wrote:
reply2spg wrote:
Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in full-time engineering programs in the United States has steadily increased, while the number of other students who enter the field has fallen.

(A) has steadily increased, while the number of other students who enter the field has fallen
(B) has steadily increased, while other students entering the field have declined in number
(C) increased steadily, while there was a decline in the number of other students entering the field
(D) have steadily increased, while the number of other students entering the field has fallen
(E) have steadily increased, while that of other students who enter the field fell.


enrollments is plural (A&B out) and we need a continuous tense (C out)

in E, that lacks a clear referent and breaks parallelism by using simple past

D is correct


D for the reason mentioned above
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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 06 Feb 2009, 14:17
reply2spg wrote:
Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in full-time engineering programs in the United States has steadily increased, while the number of other students who enter the field has fallen.

(A) has steadily increased, while the number of other students who enter the field has fallen
(B) has steadily increased, while other students entering the field have declined in number
(C) increased steadily, while there was a decline in the number of other students entering the field
(D) have steadily increased, while the number of other students entering the field has fallen
(E) have steadily increased, while that of other students who enter the field fell.


Hi mates,

IMO D

Enrollments is plural, therefore A and B out.

C out: since needs present perfect.

D out becuase of //ism

OA and Source?

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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 13 Sep 2010, 13:13
Guys, it seems that in D enrollments are compared to "while the number of other stydents"...
thus I choose E instead of D.
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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 13 Sep 2010, 13:50
Pkit wrote:
Guys, it seems that in D enrollments are compared to "while the number of other stydents"...
thus I choose E instead of D.


(E) is needlessly clunky, and the use of the verb "fell" is incorrect. "Has fallen" is the proper form.
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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 17 Apr 2016, 23:17
icandy wrote:
reply2spg wrote:
Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in full-time engineering programs in the United States has steadily increased, while the number of other students who enter the field has fallen.

(A) has steadily increased, while the number of other students who enter the field has fallen
(B) has steadily increased, while other students entering the field have declined in number
(C) increased steadily, while there was a decline in the number of other students entering the field
(D) have steadily increased, while the number of other students entering the field has fallen
(E) have steadily increased, while that of other students who enter the field fell.


enrollments is plural (A&B out) and we need a continuous tense (C out)

in E, that lacks a clear referent and breaks parallelism by using simple past

D is correct



Other than parallelism,

we need perfect tense to show that the effect is still continuing.

Using simple past would imply that the numbers are no longer going down presently.
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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 07 May 2016, 23:34
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Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in full-time engineering programs in the United States has steadily increased, while the number of other students who enter the field has fallen.

(A) has steadily increased, while the number of other students who enter the field has fallen... Enrollments is plural, hence needs "have increased".
(B) has steadily increased, while other students entering the field have declined in number... Enrollments is plural, hence needs "have increased".
(C) increased steadily, while there was a decline in the number of other students entering the field...Use of "Since"requires a Present Perfect verb "has/have Increased"
(D) have steadily increased, while the number of other students entering the field has fallen... Correct.
(E) have steadily increased, while that of other students who enter the field fell. ... "that of..." should be replaced by "Those of" and Simple past "fell" should be replaced by "have fallen".

Hope this helps... KUDOS please!!! :D
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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 02 Aug 2017, 03:54
Subject -Verb error in options A and B - enrollments are plural - hence 'have' over 'has'.

Since 1986 something happened , while something else occurred. This denotes a reference on timeline and we need present perfect to denote the events. C is out.

D is correct

In option E, that of - ambiguous - we need those of to refer to enrollments
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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 18 Mar 2019, 07:18
(E) have steadily increased, while that of other students who enter the field fell. ... "that of..." should be replaced by "Those of" and Simple past "fell" should be replaced by "have fallen".

Why can't we use simple past tense here ?
have steadily increased, while those of other students who enter the field fell.

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Re: Since 1986 enrollments of African Americans, American  [#permalink]

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New post 18 Mar 2019, 07:24
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Smitc007 wrote:
(E) have steadily increased, while that of other students who enter the field fell. ... "that of..." should be replaced by "Those of" and Simple past "fell" should be replaced by "have fallen".

Why can't we use simple past tense here ?
have steadily increased, while those of other students who enter the field fell.

Moderators please help BKimball mikemcgarry carcass GMATNinja chetan2u



While talks of the same period as the first part..
Now we are talking of something from a certain time, so present perfect i srequired.
Even the second part 'while that of other students who enter the field fell.' is happening still. There is nothing in the sentence that tells us that this is a thing of past. So, you cannot use simple past here.
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Re: Since 1986 enrollments of African Americans, American   [#permalink] 18 Mar 2019, 07:24
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