In the nation of Partoria, large trucks currently account : GMAT Critical Reasoning (CR)
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In the nation of Partoria, large trucks currently account

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In the nation of Partoria, large trucks currently account [#permalink]

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07 Dec 2005, 07:16
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In the nation of Partoria, large trucks currently account for 6 percent of miles driven on Partoriaâ€™s roads but are involved in 12 percent of all highway fatalities. The very largest trucks â€“ those with three trailers â€“ had less than a third of the accident rate of single- and double-trailer trucks. Clearly, therefore, one way for Partoria to reduce highway deaths would be to require shippers to increase their use of triple-trailer trucks.

Which of the following, if true, most seriously weakens the argument?

A: Partorian trucking companies have so far used triple-trailer trucks on lightly traveled sections of major highways only.

B: No matter what changes Partoria makes in the regulation of trucking, it will have to keep some smaller roads off-limits to all large trucks.

C: Very few fatal collisions involving trucks in Partoria are collisions between two trucks.

D: In Partoria, the safety record of the trucking industry as a whole has improved slightly over the past ten years.

E: In Partoria, the maximum legal payload of a triple-trailer truck is less than three times the maximum legal payload of the largest of the single-trailer trucks
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Last edited by Vyshak on 16 Jun 2016, 06:00, edited 1 time in total.
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Re: In the nation of Partoria, large trucks currently account [#permalink]

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07 Dec 2005, 07:22
Got to pick A.

A) suggests triple trailer trucks have not been tested properly to make a valid comparison to single and double trailer trucks.
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Re: In the nation of Partoria, large trucks currently account [#permalink]

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07 Dec 2005, 07:28
Agree with A. Is the larger trucks are no in condensed traffic areas, then there may be instances of lower accidents when compared to the other trucks in condensed areas. If you replace the small trucks with large trucks, there may still be the same number of accidents.
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Re: In the nation of Partoria, large trucks currently account [#permalink]

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07 Dec 2005, 09:11
A.
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Re: In the nation of Partoria, large trucks currently account [#permalink]

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07 Dec 2005, 09:25
Diagramming:

A. Refers to less crowded roads therefore lower statistical probability of collision- KEEP
B. No matter what...- EXTREME LANGUAGE-NIX
C. Out of scope. Passage talks about accidents in general. -NIX
D. Strengthens the argument. "180" -NIX
E. Who cares? Off topic. -NIX

(A)
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Re: In the nation of Partoria, large trucks currently account [#permalink]

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07 Dec 2005, 10:58
yup A it is.
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Re: In the nation of Partoria, large trucks currently account [#permalink]

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07 Dec 2005, 15:24
Clearly A
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Re: In the nation of Partoria, large trucks currently account [#permalink]

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08 Dec 2005, 01:43
A

because if those trucks are using roads, where the probability of accident is lower than this weakens the argument.
Re: In the nation of Partoria, large trucks currently account   [#permalink] 08 Dec 2005, 01:43
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