GMAT Verbal Reasoning Practice Test 2

Question : 101 of 101

Marks: +1, -0

Since the 55-mile-per-hour speed limit was mandated on our highways, both money and human lives have been saved.
All of the following, if true, would strengthen the claim above EXCEPT:

Most highway users find that travel times are not appreciably lengthened by the 55-mile-per-hour speed limit.
Highway driving at 55 miles per hour or less is more fuel-efficient than high-speed driving.
Nearly all highway safety experts agree that more accidents occur at speeds over 55 miles per hour than at lower speeds.
The percentage of fatalities occurring in highway accidents at speeds greater than 55 miles per hour is higher than that for low-speed accidents.
Automobiles last longer and require fewer repairs when driven at consistently lower speeds.

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