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# Diesel engines burn as much as 30% less fuel than gasoline

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VP
Joined: 17 Jun 2008
Posts: 1329
Diesel engines burn as much as 30% less fuel than gasoline [#permalink]

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13 Oct 2008, 22:11
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Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.

A of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have
B of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having
C of comparable size, and also they emit far fewer carbon dioxide and other gasses that have
D that have a comparable size, and also they emit far fewer of the other gasses having
E that have a comparable size, as well as emitting far fewer of the other gasses having

OA is A
Im not convinced with OA ,its a mgmat question!!
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VP
Joined: 30 Jun 2008
Posts: 1022
Re: sc- tough SC need explanations [#permalink]

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13 Oct 2008, 22:19
Is it A ?

[EDIT: ADDED EXPLANATION FOR MY CHOICE]

we need "that have" here. Only A and C have "that have".

in C -> fewer Carbon dioxide is plain wrong. A may not be perfect, but it is the best.

what is the OA ?
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Last edited by amitdgr on 14 Oct 2008, 00:20, edited 1 time in total.
Senior Manager
Joined: 31 Jul 2008
Posts: 282
Re: sc- tough SC need explanations [#permalink]

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14 Oct 2008, 00:05
B for me :

A of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have - not parallel in tense
B of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having
C of comparable size, and also they emit far fewer carbon dioxide and other gasses that have - they is ambiguous
D that have a comparable size, and also they emit far fewer of the other gasses having - same as C
E that have a comparable size, as well as emitting far fewer of the other gasses having -- same as A
Manager
Joined: 22 Jul 2008
Posts: 144
Re: sc- tough SC need explanations [#permalink]

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15 Oct 2008, 14:39
Horrendous question; but the answer seems to be A.
The others have grammatical errors.
Director
Joined: 23 May 2008
Posts: 762
Re: sc- tough SC need explanations [#permalink]

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15 Oct 2008, 14:47
KASSALMD wrote:
Horrendous question; but the answer seems to be A.
The others have grammatical errors.

A has a grammatical error too. None of these seem right. Probably a typo by mgmat.
Manager
Joined: 16 Jan 2008
Posts: 99
Re: sc- tough SC need explanations [#permalink]

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16 Oct 2008, 00:54
A has 'far fewer of the other gasses ' as well, whats the OA?
Director
Joined: 27 Jun 2008
Posts: 527
WE 1: Investment Banking - 6yrs
Re: sc- tough SC need explanations [#permalink]

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16 Oct 2008, 06:36
A

less Vs Fewer - less CO2, CO2 cannot be measured so less should be used.

A of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have

B of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having - having??

C of comparable size, and also they emit far fewer carbon dioxide and other gasses that have - less vs fewer

D that have a comparable size, and also they emit far fewer of the other gasses having - having??
E that have a comparable size, as well as emitting far fewer of the other gasses having - having??
Current Student
Joined: 28 Dec 2004
Posts: 3317
Location: New York City
Schools: Wharton'11 HBS'12
Re: sc- tough SC need explanations [#permalink]

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16 Oct 2008, 09:16
i initially went with A..a few months back and reading now..I am like none of these make sense...
Retired Moderator
Joined: 18 Jul 2008
Posts: 921
Re: sc- tough SC need explanations [#permalink]

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17 Oct 2008, 10:04
They're all wrong.
VP
Joined: 18 May 2008
Posts: 1207
Re: sc- tough SC need explanations [#permalink]

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17 Oct 2008, 18:03
C seems to be the best choice for me
Pls underline the incorrect part. Its difficult to read w/t that.
spriya wrote:
Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.

A of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have
B of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having
C of comparable size, and also they emit far fewer carbon dioxide and other gasses that have
D that have a comparable size, and also they emit far fewer of the other gasses having
E that have a comparable size, as well as emitting far fewer of the other gasses having

OA is A
Im not convinced with OA ,its a mgmat question!!
Senior Manager
Joined: 28 Feb 2007
Posts: 296
Re: sc- tough SC need explanations [#permalink]

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18 Oct 2008, 01:45
I vote for B. (this choice IMO best among all)

"They" in choices C and D seems not to have clear antecedent: it can be anything
A and E are out for "emitting" it should have been "emit" to keep //.
Manager
Joined: 12 Feb 2008
Posts: 176
Re: sc- tough SC need explanations [#permalink]

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18 Oct 2008, 18:56
They all look messed up, but if i have to chose i would go with B.
Retired Moderator
Joined: 18 Jul 2008
Posts: 921
Re: sc- tough SC need explanations [#permalink]

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20 Oct 2008, 06:50
The best explanation so far:

http://www.manhattangmat.com/forums/die ... t2129.html

As well as + VERBing is correct.
SVP
Joined: 29 Aug 2007
Posts: 2457
Re: sc- tough SC need explanations [#permalink]

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21 Oct 2008, 08:09
spriya wrote:
Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.

A of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have
B of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having
C of comparable size, and also they emit far fewer carbon dioxide and other gasses that have
D that have a comparable size, and also they emit far fewer of the other gasses having
E that have a comparable size, as well as emitting far fewer of the other gasses having

OA is A Im not convinced with OA ,its a mgmat question!!

"as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming" is a modifying phrase but I never saw "as well as" in modifying phrase. Now I should note that "as well as" also acceptable as modifying phrase:

Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, (as well as) emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.
In that sense A should be ok.
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VP
Joined: 05 Jul 2008
Posts: 1378
Re: sc- tough SC need explanations [#permalink]

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21 Oct 2008, 11:38
spriya wrote:
Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.

A of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have
B of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having
C of comparable size, and also they emit far fewer carbon dioxide and other gasses that have
D that have a comparable size, and also they emit far fewer of the other gasses having
E that have a comparable size, as well as emitting far fewer of the other gasses having

OA is A
Im not convinced with OA ,its a mgmat question!!

Initially I felt that emit and burn are parallel. How ever having been at the end takes B out of contention. A remains
Senior Manager
Joined: 02 Dec 2007
Posts: 433
Re: sc- tough SC need explanations [#permalink]

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21 Oct 2008, 13:01
A for me

have been is the key for 3-2 strategy here. C has issues with pronoun reference in they

fewer gases(countable ) is correct so is less gas (non-countable )
VP
Joined: 30 Jun 2008
Posts: 1022
Re: sc- tough SC need explanations [#permalink]

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21 Oct 2008, 21:10
I read this on some old post of gmatclub

Quote:
when you have "as well as" in your sentence then the verb following "as well as" need not be parallel with the verb before "as well as".

looks like this thing holds good in our sentence here ...
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VP
Joined: 17 Jun 2008
Posts: 1329
Re: sc- tough SC need explanations [#permalink]

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21 Oct 2008, 22:22
amitdgr wrote:
I read this on some old post of gmatclub

Quote:
when you have "as well as" in your sentence then the verb following "as well as" need not be parallel with the verb before "as well as".

looks like this thing holds good in our sentence here ...

yes as well as means inaddition !!! hence i think ,as GMAT TIGER said
here if we just simply forget this (as well as ) for a moment and then read the sentence A sounds the best!!!

Also having ,having been are all wrong ,that have been implicated is correct

here if we look at the meaning then also its obvious that engines burn fuel emitting gases !!

so my doubt got clarified !!
thanks a tonne for the posts !!!

great posting
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Re: sc- tough SC need explanations   [#permalink] 21 Oct 2008, 22:22
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