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In the 1980's the rate of increase of the minority

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Sentence Correction: rate of increases [#permalink] New post 28 Nov 2009, 12:59
00:00
A
B
C
D
E

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Question Stats:

40% (01:38) correct 60% (00:51) wrong based on 42 sessions
9. In the 1980's the rate of increase of the minority population of the United States was nearly twice as fast as the 1970's.
(A) twice as fast as
(B) twice as fast as it was in
(C) twice what it was in
(D) two times faster than that of
(E) two times greater than


Can someone please explain to me this?

I constantly have trouble with these types of questions.
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Re: Sentence Correction: rate of increases [#permalink] New post 28 Nov 2009, 20:03
In the 1980's the rate of increase of the minority population of the United States was nearly twice as fast as the 1970's.
(A) twice as fast as
(B) twice as fast as it was in
(C) twice what it was in
(D) two times faster than that of
(E) two times greater than
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Re: Sentence Correction: rate of increases [#permalink] New post 28 Nov 2009, 20:37
(A) twice as fast as ---->Illogical comparison, twice fast as in 1970
(B) twice as fast as it was in -->its perfect, but still redundant due to presence of 'it'.
(C) twice what it was in ---->fragmentation error
(D) two times faster than that of -->use of comparitive degree to compare and that refers back to rate i.e a perfect sentence.
(E) two times greater than -->Again Illogical comparison, two times greater than 1970??
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Re: Sentence Correction: rate of increases [#permalink] New post 28 Nov 2009, 22:40
IMO B ....

We need in 1970's not of 1970's (of minority population) ...though 'it' may not be clear ..... the other 4 options don't seem to be correct.

watss the OA ???????
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Re: Sentence Correction: rate of increases [#permalink] New post 29 Nov 2009, 11:04
IMO C.

twice what it was in - "in" corrects compare like with like and "twice what it was" eliminates redundancy.
"twice as fast" and "rate of increase" seem redundant.
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Re: Sentence Correction: rate of increases [#permalink] New post 29 Nov 2009, 11:44
In the 1980's | the rate of increase | of the minority population of the United States | was nearly [(C) twice | what it was in] the 1970's

I'll go with C, sounds grammatically better than other options.
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Re: Sentence Correction: rate of increases [#permalink] New post 29 Nov 2009, 11:53
Why cant it be twice as fast, since fast describes rate of increase?
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Re: Sentence Correction: rate of increases [#permalink] New post 29 Nov 2009, 12:48
burnttwinky wrote:
Why cant it be twice as fast, since fast describes rate of increase?


it can be, but here the correct form would b either: twice as fast as in OR twice as fast as what was in

in options present here
A>comparison is illogical
B>it -->redundant
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Re: Sentence Correction: rate of increases [#permalink] New post 29 Nov 2009, 13:13
Narrowed down to B and C because they both complete the comparison.
Rate of increase refers to "it" so repeating the "As fast as" is redundant.
C is my choice
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Re: Sentence Correction: rate of increases [#permalink] New post 29 Nov 2009, 17:58
What is the difference between B and C? I originally chose B, which was wrong.
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Re: Sentence Correction: rate of increases [#permalink] New post 29 Nov 2009, 19:23
I know many people have rejcted D/E.
What was the elimination of D/E???
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Re: Sentence Correction: rate of increases [#permalink] New post 29 Nov 2009, 21:35
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In the 1980's the rate of increase of the minority population of the United States was nearly twice as fast as the 1970's.
(A) twice as fast as--------> compares the rate of inc to 1970(illogical and eliminated)
(B) twice as fast as it was in----->it cannot refer to rate of increase of the minority population of the United States (eliminated)
(C) twice what it was in---->keep it
(D) two times faster than that of------->rate of inc cannot be faster
(E) two times greater than---->rate of inc is compared with 1970(illogical and eliminated)

BY POE C is the best
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Re: Sentence Correction: rate of increases [#permalink] New post 03 Dec 2009, 12:56
That is true, a rate cannot be fast! That is a good way to think of it.
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Re: Sentence Correction: rate of increases [#permalink] New post 03 Mar 2012, 13:08
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xcusemeplz2009 wrote:
In the 1980's the rate of increase of the minority population of the United States was nearly twice as fast as the 1970's.
(A) twice as fast as--------> compares the rate of inc to 1970(illogical and eliminated)
(B) twice as fast as it was in----->it cannot refer to rate of increase of the minority population of the United States (eliminated)
(C) twice what it was in---->keep it
(D) two times faster than that of------->rate of inc cannot be faster
(E) two times greater than---->rate of inc is compared with 1970(illogical and eliminated)

BY POE C is the best


your answer may be correct but your reason for eliminating B is not correct. C also has 'it', why did you not eliminate it?
the reason why B is incorrect is the use of 'RATE as FAST as'.
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Last edited by MBAhereIcome on 04 Mar 2012, 09:39, edited 1 time in total.
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Re: In the 1980's the rate of increase of the minority [#permalink] New post 03 Mar 2012, 19:35
When dealing with SC questions, keep parallelism in mind.

In this case, you need to see what fits with "was". C is the correct answer.

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Re: In the 1980's the rate of increase of the minority [#permalink] New post 04 Mar 2012, 02:08
C
rate of increase & as as fast as both together are redundant
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Re: In the 1980's the rate of increase of the minority   [#permalink] 04 Mar 2012, 02:08
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