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Director
Joined: 15 Aug 2005
Posts: 796
Location: Singapore

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04 Oct 2005, 18:04
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An advertisement designed to convince readers of the great durability of automobiles manufactured by the Deluxe Motor Car Company cites as evidence the fact that over half of all automobiles built by the company since 1970 are still on the road today, compared to no more than a third for any other manufacturer.

Which of the following, if true, most strongly supports the advertisementâ€™s argument?

(A) After taking inflation into account, a new Deluxe automobile costs only slightly more than a new model did in 1970.
(B) The number of automobiles built by Deluxe each year has not increased sharply since 1970.
(C) Owners of Deluxe automobiles typically keep their cars well maintained.
(D) Since 1970, Deluxe has made fewer changes in the automobiles it manufactures than other car companies have made in their automobiles.
(E) Deluxe automobiles have been selling at relatively stable prices in recent years.
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Cheers, Rahul.

Director
Joined: 23 Jun 2005
Posts: 841
GMAT 1: 740 Q48 V42

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04 Oct 2005, 20:28
rahulraao wrote:
An advertisement designed to convince readers of the great durability of automobiles manufactured by the Deluxe Motor Car Company cites as evidence the fact that over half of all automobiles built by the company since 1970 are still on the road today, compared to no more than a third for any other manufacturer.

Which of the following, if true, most strongly supports the advertisementâ€™s argument?

D for me!
(A) After taking inflation into account, a new Deluxe automobile costs only slightly more than a new model did in 1970.
Says nothing abt durability
(B) The number of automobiles built by Deluxe each year has not increased sharply since 1970.
same reason as A
(C) Owners of Deluxe automobiles typically keep their cars well maintained.
again, nothing abt durability
(D) Since 1970, Deluxe has made fewer changes in the automobiles it manufactures than other car companies have made in their automobiles.
Implies that for a long time, the company has been making solid cars that are very durable.
(E) Deluxe automobiles have been selling at relatively stable prices in recent years.
nothing abt durability here too!
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5043
Location: Singapore

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05 Oct 2005, 01:00
(A) - irrelevant
(B) The number of automobiles built by Deluxe each year has not increased sharply since 1970.
(C) - weakens the argument
(D) - irrelevant
(E) - irrelevant

B is the best choice. It suggests that a high number of deluxe motor cars on the road today are manufactured during the 1970s
Manager
Joined: 21 Sep 2005
Posts: 232

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05 Oct 2005, 01:51
go B go...
Director
Joined: 15 Aug 2005
Posts: 796
Location: Singapore

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05 Oct 2005, 04:10
ywilfred wrote:
B is the best choice. It suggests that a high number of deluxe motor cars on the road today are manufactured during the 1970s

Awesome! OA is B!
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Cheers, Rahul.

Manager
Joined: 09 Nov 2004
Posts: 137

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05 Oct 2005, 06:32
Hi,

Can anyone elaborate a little further why B!

I am not sure if I understand the reasoning! Will appreciate it.
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Thanks!

Intern
Joined: 29 Sep 2005
Posts: 37

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05 Oct 2005, 06:50
Tough one, between C & D, I'm going to say D simply because fewer changes to a car that was quality in 1970 should still be a quality car in current day. All others are not really related to quality.

(A) After taking inflation into account, a new Deluxe automobile costs only slightly more than a new model did in 1970.
>> No. Prices have no effect on quality.

(B) The number of automobiles built by Deluxe each year has not increased sharply since 1970.
>>> No. We're talking about percentages, not numbers, so this is irrelevant.

(C) Owners of Deluxe automobiles typically keep their cars well maintained.
>> Maybe... well maintained cars typically last longer, but may be out of scope.

(D) Since 1970, Deluxe has made fewer changes in the automobiles it manufactures than other car companies have made in their automobiles.
>> I think so. If they made fewer changes than other manufacturers, then that would explain why they have more around from 1970.

(E) Deluxe automobiles have been selling at relatively stable prices in recent years.
>> No. Price has nothing to do with this.
Senior Manager
Joined: 05 Jan 2005
Posts: 252

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05 Oct 2005, 12:34
my reasoning,

Its B because :

in (B) The number of automobiles built by Deluxe each year has not increased sharply since 1970.

if the number of automobiles had been built after 1970 were large it would have weakened the argument. This does the oppoiste - strengthen the by saying few number of automobiles are built after 1970.
Director
Joined: 09 Jul 2005
Posts: 591

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05 Oct 2005, 12:59
clearly B. The same reasoning as hkm_gmat
05 Oct 2005, 12:59
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