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Automobile manufacturers who began two decades ago to design

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Automobile manufacturers who began two decades ago to design [#permalink] New post 14 Oct 2011, 09:16
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Question Stats:

65% (02:29) correct 34% (02:12) wrong based on 180 sessions
Automobile manufacturers who began two decades ago to design passenger vehicles that were more fuel-efficient faced a dilemma in the fact that the lighter, more efficient vehicles were less safe on high-speed highways. However, the manufacturers avoided this dilemma by producing two types of passenger vehicles: a lighter vehicle for medium-speed, local transportation, and a heavier, safer vehicle for long-distance travel. Since most automobile traffic is local, a net savings in fuel use was achieved with no loss in safety.

Which one of the following, if true, most strengthens the argument?


(A) Most households whose members do any long-distance driving own at least two passenger vehicles.


(B) There are more cars using high-speed highways today than there were two decades ago.


(C) Even large automobiles are lighter today than similar-sized vehicles were two decades ago.


(D) Most high-speed highways are used by both commercial vehicles and passenger vehicles.


(E) Some automobile manufacturers designed prototypes for fuel-efficient passenger vehicles more than two decades ago.


[Reveal] Spoiler:
I don't understand how A is correct . A just means two passenger vehicles , what if a household owns two heavy vehicles ? Then how is the cost of fuel going to be less ?
[Reveal] Spoiler: OA
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Re: two types of vehicle designs [#permalink] New post 14 Oct 2011, 11:54
I used POE menthod and none of B, C, D, E seems to strengthen the arguemnt.

Option A says - "Most households whose members do any long-distance driving own at least two passenger vehicles", which means that those households uses lighter vehicle for Local travel.

hence i picked A. Hope it helps.
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Re: two types of vehicle designs [#permalink] New post 14 Oct 2011, 12:24
Whats wrong with E??
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Re: two types of vehicle designs [#permalink] New post 15 Oct 2011, 00:13
Straight A!

A is the assumption of the argument. The "no loss in safety" can be realized only if the long distance travelers had heavier vehicles at their disposal. Only A gives us this possibility.
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Re: two types of vehicle designs [#permalink] New post 15 Oct 2011, 05:56
Among the options A is the Best........but i am not convinced because even though he has two cars, the both cars might be lighter vehicles.........

Can anyone Justify?
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Re: two types of vehicle designs [#permalink] New post 15 Oct 2011, 16:32
IMO C
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Re: two types of vehicle designs [#permalink] New post 16 Oct 2011, 00:48
I will go with A here. Even though two passenger vehicles may be both heavy ones in some cases, it is unreasonable to assume that all of the "Most households whose members do any long-distance driving" would have heavy vehicles.

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Re: two types of vehicle designs [#permalink] New post 19 Oct 2011, 01:03
A for me !
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Re: two types of vehicle designs [#permalink] New post 23 Oct 2011, 03:21
+1 for A
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Re: Automobile manufacturers who began two decades ago to design [#permalink] New post 28 Dec 2011, 00:28
A is the best of the choices though I am very reluctant to agree with A. Had to side with A because the other options did not make much sense or did not support the conclusion.
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Re: Automobile manufacturers who began two decades ago to design [#permalink] New post 02 Feb 2014, 10:17
georgepaul0071987 wrote:
Automobile manufacturers who began two decades ago to design passenger vehicles that were more fuel-efficient faced a dilemma in the fact that the lighter, more efficient vehicles were less safe on high-speed highways. However, the manufacturers avoided this dilemma by producing two types of passenger vehicles: a lighter vehicle for medium-speed, local transportation, and a heavier, safer vehicle for long-distance travel. Since most automobile traffic is local, a net savings in fuel use was achieved with no loss in safety.

Which one of the following, if true, most strengthens the argument?


(A) Most households whose members do any long-distance driving own at least two passenger vehicles.


(B) There are more cars using high-speed highways today than there were two decades ago.


(C) Even large automobiles are lighter today than similar-sized vehicles were two decades ago.


(D) Most high-speed highways are used by both commercial vehicles and passenger vehicles.


(E) Some automobile manufacturers designed prototypes for fuel-efficient passenger vehicles more than two decades ago.


[Reveal] Spoiler:
I don't understand how A is correct . A just means two passenger vehicles , what if a household owns two heavy vehicles ? Then how is the cost of fuel going to be less ?


A. Most households whose members do any long distance driving own two vehicules, therefore they will use the heavier and safer for long distance travel. Then the conclusion that net savings was achieved with no loss in safety is severly strengthened
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Re: two types of vehicle designs [#permalink] New post 03 Feb 2014, 09:04
DeeptiM wrote:
Whats wrong with E??


The problem with E is that it doesn't affect the argument. 2 decades ago prototypes (not manufactured for the masses) of Time-machines could have been made for all we know, but that doesn't affect the argument.

The argument is that manufacturers improved the overall fuel efficiency by manufacturing - light vehicles, which are not safe for long distances but are fuel efficient for city driving and heavier vehicles, which are not fuel efficient but are safer for long distance driving.

Hence if most households have at least 2 vehicles, one light and one heavy then the manufacturers must have avoided the dilemma.
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Re: Automobile manufacturers who began two decades ago to design [#permalink] New post 03 Feb 2014, 09:44
crux-
1. a lighter vehicle for medium-speed, local transportation

2. a heavier, safer vehicle for long-distance travel.


conclusion- Since most automobile traffic is local, a net savings in fuel use was achieved with no loss in safety.


Which one of the following, if true, most strengthens the argument?


(A) Most households whose members do any long-distance driving own at least two passenger vehicles....correct...


(B) There are more cars using high-speed highways today than there were two decades ago.more cars dont matter


(C) Even large automobiles are lighter today than similar-sized vehicles were two decades ago.we are not comparing weight of large/ small vehicles


(D) Most high-speed highways are used by both commercial vehicles and passenger vehicles.so what?


(E) Some automobile manufacturers designed prototypes for fuel-efficient passenger vehicles more than two decades ago.does'nt matter
Re: Automobile manufacturers who began two decades ago to design   [#permalink] 03 Feb 2014, 09:44
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