Wind resistance

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nahid078: Master | Next Rank: 500 Posts; Posts: 105; Joined: Tue May 13, 2014 10:41 amFollowed by: 1 member; Thanked: 2 times

by nahid078 » Thu Sep 11, 2014 2:24 am

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

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Source: Beat The GMAT — Sentence Correction | Thu Sep 11, 2014 2:24 am

Uva@90: Master | Next Rank: 500 Posts; Posts: 490; Joined: Thu Jul 04, 2013 7:30 amFollowed by: 5 members; Location: Chennai, India; Thanked: 83 times

by Uva@90 » Thu Sep 11, 2014 6:09 am

nahid078 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

Hi Nahid,

This SC is comparing the Fuel penalty by opening the window to the fuel penalty incurred by using air conditioning.

So, Options C and D gets eliminated for wrong comparison.

Out of A, B and E, Only E uses the correct IDIOM "X AS GREAT AS Y"

Regards,
Uva

Known is a drop Unknown is an Ocean

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[email protected]: Elite Legendary Member; Posts: 10392; Joined: Sun Jun 23, 2013 6:38 pmFollowed by: 511 members; Location: Palo Alto, CA; Thanked: 2867 times; GMAT Score:800

by [email protected] » Thu Sep 11, 2014 11:00 am

Hi nahid078,

Uva has correctly explained this SC, so I won't rehash that here.

One of the aspects to remember about SCs is that the grammar rules involved in any prompt are essentially just patterns. So beyond knowing root grammar rules, you should also build up your ability to spot common patterns.

There are a variety of "2-part" phrases that the GMAT writers frequently use in their SCs. Some are common ("either....or", "neither...nor") and some are rarer ("just as....so"), but they're all worth knowing since that knowledge should help you to find the correct answer faster.

Here, we have "as...as", which is a fairly common 2-parter. I'll bet that you see this phrase at least once on Test Day, so make sure to be on the lookout for it.

GMAT assassins aren't born, they're made,
Rich

Contact Rich at [email protected]

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