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## Wind Resistance... HELP!!!

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melifox Just gettin' started!
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Wind Resistance... HELP!!! Thu Mar 11, 2010 8:18 pm
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• Lap #[LAPCOUNT] ([LAPTIME])
Wind resistance created by opening windows while driving results in a fuel penalty as great or greater than is incurred by using air conditioning.

A. as great or greater than is incurred by using air conditioning
B. that is as great or greater than is incurred using air conditioning
C. as great as or greater than that of using air conditioning
D. at least as great as air conditioning’s
E. at least as great as that incurred by using air conditioning

I chose D, but that is not the correct answer... somebody please expain.

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thephoenix GMAT Titan
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Thu Mar 11, 2010 8:22 pm
melifox wrote:
Wind resistance created by opening windows while driving results in a fuel penalty as great or greater than is incurred by using air conditioning.

A. as great or greater than is incurred by using air conditioning
B. that is as great or greater than is incurred using air conditioning
C. as great as or greater than that of using air conditioning
D. at least as great as air conditioning’s
E. at least as great as that incurred by using air conditioning

I chose D, but that is not the correct answer... somebody please expain.
D is wrong becoz comparison is done here b/n penalty incurred by driving with open windows with air conditioning’s
comparison has to be in similar things

for that reason IMO E is correct

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danyal Just gettin' started!
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Fri Mar 12, 2010 12:47 am
definitely E

gmatmachoman GMAT Titan
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Fri Mar 12, 2010 1:16 pm
danyal wrote:
definitely E
why not C?plz explain

gmatromio Just gettin' started!
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Sat Mar 13, 2010 3:00 am
C seems to be correct.
here "as great as " is used correctly
and "than that of " compares the fuel panelty correctly.

please suggest if i am correct or not

mohit11 Really wants to Beat The GMAT!
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Sat Mar 13, 2010 3:13 am
melifox wrote:
Wind resistance created by opening windows while driving results in a fuel penalty as great or greater than is incurred by using air conditioning.

Since the part before than should be parallel to part after than, we need use "by". With that and that alone, you can eliminate B , C and D.
Between A and E, both use by... however, " as great or greater than" is wordier than "at least as great as". Hence E wins.

A. as great or greater than is incurred by using air conditioning
B. that is as great or greater than is incurred using air conditioning
C. as great as or greater than that of using air conditioning
D. at least as great as air conditioning’s
E. at least as great as that incurred by using air conditioning

I chose D, but that is not the correct answer... somebody please expain.

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danyal Just gettin' started!
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Sat Mar 13, 2010 3:24 pm
lol i was going to say the same as mohit. as great as or greater than is redundant. so with that you can eliminates quite a few choices and then as great as is required so only e fulfills all the prerequisites.

lokeshg98 Just gettin' started!
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Sun Aug 01, 2010 6:40 am
A is incorrect because "as great or greater than" is incorrect. Second issue in A is redundant "is". It doesn't make the choice clearer, rather it makes it wordy.

so A is out.
B retains the idiom mistake so that's out as well.
C corrects the idiom. however, than that of using air conditioning doesn't clearly dictates the meaning. I think, presence of "by" in place of "of" would have made the choice C a strong contender.

D does not look good as it's using possessive, which is generally good for "of constructions" only.

Choice E uses the correct idioms , follows parallelism, and clearly express the intended meaning.

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Stacey Koprince GMAT Instructor
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Thu Aug 05, 2010 11:12 am
Received a PM asking me to respond. Don't see a source. Please cite the source (author) of the problem so I can respond!

Note to those studying this: if I were you, I would NOT read / study problems that do not have the source cited. There are several very important reasons for this:

1) If you don't know the source, then you don't know whether you are compromising your future practice tests. What if the question is from the practice test you're about to take and now you see a question that you've already seen before? When that happens, it can blow the validity of your whole test! (Not if it happens just once, of course, but what if it happens multiple times?)

2) If you're taking a practice test and do see a question you've seen before, you'll probably answer it more quickly. This will give you a false sense of timing security because you now have a little more time... but that situation will NEVER be replicated on the real test.

3) The source might be bad. Do you want to study from a bad source? I don't!

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shweta.kalra Rising GMAT Star
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Thu Aug 05, 2010 11:57 pm
i think this question is from KAPLAN800.

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GMATGuruNY GMAT Instructor
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Fri Aug 06, 2010 7:45 am
melifox wrote:
Wind resistance created by opening windows while driving results in a fuel penalty as great or greater than is incurred by using air conditioning.

A. as great or greater than is incurred by using air conditioning
B. that is as great or greater than is incurred using air conditioning
C. as great as or greater than that of using air conditioning
D. at least as great as air conditioning’s
E. at least as great as that incurred by using air conditioning

I chose D, but that is not the correct answer... somebody please expain.
Quickest approach.

The correct idiom is as X as Y. Eliminate A and B.

In C, of is the wrong preposition: the fuel penalty of using air conditioning makes no sense.

D can be eliminated because we should avoid using possessive constructions for inanimate nouns such as air conditioning. The possessive construction implies that the fuel penalty belongs to the air-conditioning. The intended meaning of the sentence is that air conditioning causes a fuel penalty to be incurred. Eliminate D.

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shweta.kalra Rising GMAT Star
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Fri Aug 06, 2010 9:59 am
Hi mitch,
I HAV ONE QUESTION
WUD IT BE REDUNDANT TO SAY=
AS GREAT AS OR GREATER THAN IS INCURRED BY USING AIR CONDITIONING

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GMATGuruNY GMAT Instructor
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Fri Aug 06, 2010 11:08 am
shweta.kalra wrote:
Hi mitch,
I HAV ONE QUESTION
WUD IT BE REDUNDANT TO SAY=
AS GREAT AS OR GREATER THAN IS INCURRED BY USING AIR CONDITIONING
I would be skeptical of an answer choice that uses as great as or greater than. The construction at least as great as is more concise.

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Stacey Koprince GMAT Instructor
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Mon Aug 09, 2010 12:43 pm
Can't reply to this one. A while back, Kaplan asked us not to address their questions online.
Sorry

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sumit.sinha Rising GMAT Star
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Wed Dec 08, 2010 2:22 pm
Stacey Koprince wrote:
Can't reply to this one. A while back, Kaplan asked us not to address their questions online.
Sorry
OMG!.. it is a war-zone out here.

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