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100 sc #404

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100 sc #404

by magical cook » Mon Apr 16, 2007 5:16 pm
404. 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


Hi,

The correct answer is C) but why B) is wrong? :cry:
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Re: 100 sc #404

by jayhawk2001 » Mon Apr 16, 2007 9:32 pm
magical cook wrote:404. 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


Hi,

The correct answer is C) but why B) is wrong? :cry:
B says "rate of increase ... was twice as fast as ...". This is an incorrect
construction and is wordy as well. If "rate of increase" were replaced by
increase, I guess you could say twice as fast in the second part of the
sentence.

C correctly uses "rate of increase ... was twice what it was"
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by BTGmoderatorRO » Sat Sep 30, 2017 2:21 am
TWICE USAGE.
WE can say;
twice as slow as before
more than twice
twice as less likely.

Option A.
twice as fast as
THIS IS THE CORRECT ANSWER it duly follows parallelism, and it follows the 'twice' usage
Option B.
Twice as fast as it was
the sentence begins with 'in' thus it will be a tautology to introduce 'in' subsequent sentence.
Option C.
twice what it was
this is incorrect because the use of 'in' also it could have been replace with twice the popuation

OPtion D and E
two times faster than that of
two times greater than
In English language 'Twice' is better use over 'two times'
Thus options D and E are incorrect.
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by ErikaPrepScholar » Thu Oct 05, 2017 4:20 am
Whenever we have a comparison, our first move should be to make sure that it makes sense to compare the two things we are comparing.

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.

Here, we are comparing a rate to a year, which doesn't make a lot of sense: we want to compare the rate in the 1980's to the rate in the 1970's. This is an illogical comparison. We can eliminate A and E right off the bat.

Picking C over B and D largely comes down to concision. All of the answers say the same thing, but one of them says it in less words. On the GMAT, we always want to choose shortest, least clunky answer that 1) makes sense and 2) doesn't change the meaning. So we pick our shortest and least clunky answer, C!
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