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The number of people flying first class on domestic flights

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Director
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The number of people flying first class on domestic flights [#permalink] New post 29 Jul 2009, 20:11
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The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.

A. doubling the increase of
B. doubling that of the increase in
C. double as much as the increase of
D. twice as many as the increase in
E. twice as many as the increase of

Could someone explain when to use doubling and when to use twice

[Reveal] Spoiler:
A, but what is wrong with D
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Re: One more SC...number of people [#permalink] New post 29 Jul 2009, 21:07
reply2spg wrote:
The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.

A. doubling the increase of
B. doubling that of the increase in
C. double as much as the increase of
D. twice as many as the increase in
E. twice as many as the increase of

Could someone explain when to use doubling and when to use twice

[Reveal] Spoiler:
A, but what is wrong with D



Can you please mention where do you get this problem from ?

Anyway, this is what I think -

D - 'twice' is more appropriate when you have mentioned a specific number. Here the sentence compares the 'increment' of two years, hence 'doubling' is the right word.

Also, 'increase of' is preferred rather than 'increased in'.
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Re: One more SC...number of people [#permalink] New post 29 Jul 2009, 21:19
reply2spg wrote:
The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.

A. doubling the increase of
B. doubling that of the increase in
C. double as much as the increase of
D. twice as many as the increase in
E. twice as many as the increase of

Could someone explain when to use doubling and when to use twice

[Reveal] Spoiler:
A, but what is wrong with D


"twice as many as" refers to people, so people can't be compare with "increase". people can only be compared with people, increase in one year can be compared with increase in another!!
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Re: One more SC...number of people [#permalink] New post 29 Jul 2009, 23:52
The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.

A. doubling the increase of
B. doubling that of the increase in
C. double as much as the increase of
D. twice as many as the increase in
E. twice as many as the increase of

I understand the sentence in the following way: the number of people risen sharply in 1990 doubled the increase of the previous year. we are comparing "increase", so 'doubling' seems more appropriate
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Re: One more SC...number of people [#permalink] New post 31 Jul 2009, 07:45
reply2spg wrote:
The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.

A. doubling the increase of
B. doubling that of the increase in
C. double as much as the increase of
D. twice as many as the increase in
E. twice as many as the increase of

Could someone explain when to use doubling and when to use twice

[Reveal] Spoiler:
A, but what is wrong with D

I FOUND THIS EXPLANATION ON MANHATTAN FORUMS POSTED BY ONE OF THE TUTORS-RON

HTH

in this case, you can't use "..., twice as many as...", because that's an appositive modifier. appositives must modify some noun that comes IMMEDIATELY before the comma, which in this case would have to be whatever figure is twice whatever other figure. since no such figure is given, you can't use this construction.

so, A, B or C

by contrast, the -ING FOLLOWED BY A COMMA modifies the entire action of the preceding clause. this is exactly what you want to happen, because the actual rising of the # of people flying first class is what "doubled the increase of...". there's no noun in there that pinpoints this concept, so you have to use a modifier that modifies the entire clause.
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Re: One more SC...number of people [#permalink] New post 01 Aug 2009, 06:28
in a is effect of the action ing form ... which is need not to be used
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Re: One more SC...number of people [#permalink] New post 01 Aug 2009, 06:51
Thanks for your reply, it is very helpful. This is Prep Question.

alpeshvc wrote:
reply2spg wrote:
The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year.

A. doubling the increase of
B. doubling that of the increase in
C. double as much as the increase of
D. twice as many as the increase in
E. twice as many as the increase of

Could someone explain when to use doubling and when to use twice

[Reveal] Spoiler:
A, but what is wrong with D



Can you please mention where do you get this problem from ?

Anyway, this is what I think -

D - 'twice' is more appropriate when you have mentioned a specific number. Here the sentence compares the 'increment' of two years, hence 'doubling' is the right word.

Also, 'increase of' is preferred rather than 'increased in'.
Re: One more SC...number of people   [#permalink] 01 Aug 2009, 06:51
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