In the 1980s the rate of increase of the minority population : GMAT Sentence Correction (SC)
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# In the 1980s the rate of increase of the minority population

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Director
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In the 1980s the rate of increase of the minority population [#permalink]

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29 Nov 2004, 17:20
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In the 1980â€™s the rate of increase of the minority population of the United States was nearly twice as fast as the 1970â€™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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29 Nov 2004, 17:40
For proper comparison (& parellelism), need to say "in the 1970s"
that eliminates A, D & E leaving B&C.

I choose C.

I initially chose B, and it didnt sound right. Thinking more about it - I have changed it to C. I would have wasted a LOT of time on this one in the real GMAT.
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30 Nov 2004, 08:25
Agree with forumsmba, I choose C too. I will explain if correct
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Praveen

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30 Nov 2004, 08:38
OA is C.

Can someone explain?
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30 Nov 2004, 12:44
How is it C? somebody please explain!!
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30 Nov 2004, 18:53
gayathri wrote:
In the 1980â€™s the rate of increase of the minority population of the United States was nearly twice as fast as the 1970â€™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

here we go

Choice A illogical comparison. Compares rate of increase with time (1970s)

Choice B it here refers to rate of increase in 1980s. Sounds as though same thing is changing hence illogical. What we are trying to compare two rates and not the same rate changing over a period of time.

Choice C correctly compares two rates by placing what ---> refering to rate in 1970s

D incorrect usage of times and faster

E wrong usage of times and illogical comparison between rate and period of time
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30 Nov 2004, 19:21
I would have gone for B. Praveen's explanation is convincing.
Can somebody tell me the usage of twice vs doube.

As per my understanding,
Twice is used as verb.
Double - with noun.
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30 Nov 2004, 19:39
B.....

incorrect comparision of the rate of increase and the 1970's...

B corrects that.........
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30 Nov 2004, 19:52
Oops ! got that one wrong ....

I agree with Praveen's explanation...

here is my 2 cents between B) and C)

The comparison should be between the rate of increase in 1980's and the rate of increase in 1970's which C is doing correctly.....

Besides previous expalanation for B, there is redundancy as well in B.

as fast as -------- is redundant with twice.

C) clearly states the rate of increase in 1980's is twice to the rate of increase in 1970's

(B) twice as fast as it was in
(C) twice what it was in

Hope it helps !
30 Nov 2004, 19:52
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