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Woozler: Senior | Next Rank: 100 Posts; Posts: 43; Joined: Sat Nov 06, 2010 12:04 pm

by Woozler » Sun Dec 12, 2010 2:44 pm

Today's technology allows manufacturers to make small cars more fuel-efficient now than at any time in their production history

Today's technology allows manufacturers to make small cars that are more fuel-efficient than those at any other time in production history

What's wrong with sentence 1? (sentence two is correct)

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Source: Beat The GMAT — Sentence Correction | Sun Dec 12, 2010 2:44 pm

Tani: Legendary Member; Posts: 1255; Joined: Fri Nov 07, 2008 2:08 pmFollowed by: 90 members; Location: St. Louis; Thanked: 312 times

by Tani » Sun Dec 12, 2010 8:30 pm

The antecedent for "their" is unclear. Is it the history of the manufacturer or the history of the car?

Tani Wolff

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EducationAisle: Master | Next Rank: 500 Posts; Posts: 434; Joined: Sat Mar 27, 2010 10:42 pmFollowed by: 46 members; Location: Bangalore, India; Thanked: 91 times

by EducationAisle » Sun Dec 12, 2010 9:34 pm

Look at what sentence 1 means. Manufacturers make small cars. Those small are more fuel-efficient now than at any time in their production history. Seems to suggest that the same fuel cars are more fuel-efficient now than (the same fuel cars) were at any time in their production history. This is clearly absurd.

Sentence 2 circumvents this problem by saying:

Small cars that are more fuel-efficient than those (fuel cars) at any other time in production history.

So, this is logically comparing fuel cars today with fuel cars of the past.

Ashish
MBA - ISB, GMAT - 99th Percentile
GMAT Faculty @ EducationAisle
www.EducationAisle.com

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