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An advertisement designed to convince readers of the great

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 27 Nov 2010, 13:07
abhishekik wrote:
great explanation technext. +1 from me.

I am also not convinced abt the logic of B.

Can anyone pls explain?


Consider this part of the stimulus: "..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."

Say, since 1970 the company was producing 10,000 cars per year. Due to some big investment it annual production became 2,00,000 since 2005. Assuming, people keep their cars for at least 5-6 years, you can very well see that how the quoted part of the stimulus will be proved true, even if most of the cars produced before 2005 were scrapped! (you can easily figure it out by doing simple maths)

Therefore, unless B is true, company's reasoning will be rendered absurd.
B has to be true in order to strengthen the argument.

Hope this helps..

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 19 Oct 2011, 21:46
Initially chose D, but convinced with OA :)
Thanks naish for the explanation.

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 19 Oct 2011, 21:55
+1 B
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An advertisement designed to convince readers of the great [#permalink]

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An advertisement designed to convince readers of the great durability of automobiles manufactured by the Deluxe Motor Co 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 strengthens the 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 few 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.

[Reveal] Spoiler:
Lets talk about it

Last edited by carcass on 13 Apr 2017, 02:59, edited 1 time in total.
Added the OA

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 24 Jan 2013, 07:06
I think the answer is D

A-not related

B- not related

C- weakens

E-not related

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 24 Jan 2013, 09:14
jgomey wrote:
An advertisement designed to convince readers of the great durability of automobiles manufactured by the Deluxe Motor Co 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 strengthens the 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 few 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.

[Reveal] Spoiler:
Lets talk about it


I think its B.
If the annual production has not gone up sharply then the high ratio of automobiles still on road can be due to high durability.
Had this not been mentioned then one would argue that maybe the production is so high in the recent years that the number of automobiles on road has increased considerably.

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 24 Jan 2013, 11:21
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I will go for B as well.

An advertisement designed to convince readers of the great durability of automobiles manufactured by the Deluxe Motor Co 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 strengthens the argument

A. After taking inflation into account, a new deluxe automobile costs only slightly more than a new model did in 1970.
Cost is not mentioned in the argument. We are taking about durability and number of vehicles on road. This one is out of scope.

B. The number of automobiles built by deluxe each year has not increased sharply since 1970
Suppose the company build 1,000 units each year till 2005(70,000 - Total) ,then 10,000 units each year till 2012(total 70,000) and the life of vehicle is only 5 years, then we can say the argument is invalid, as the evidence is deceiving(number of vehicles on road will be half of the vehicles manufactured since 1970). By saying that the number of units have not sharply increased, we can eliminate this possibility. So this is the correct option.

C. Owners of deluxe automobiles typically keep their cars well maintained
So deluxe automobile got lucky. This doesn't undermine the evidence.

D. Since 1970, Deluxe has made few changes in the automobiles it manufactures than other car companies have made in their automobiles.
The argument is about durability. If they are still using same parts and the consumer is accepting, still there argument and evidence holds true.

E. Deluxe automobiles have been selling at relatively stable prices in recent years.
Again, out of scope.
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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 23 Feb 2013, 17:10
this to me is a totally bogus question, none of these are right. the OA is in fact b, but it makes no sense. how does the number of cars built in each year after 1970 have anything whatsoever to do with the durability of the car and the fact that half of the cars produced before 1970 are on the road today? after a car is sold, what happens to other cars is in no way relevant to proving that that first car is durable. bogus question. can some EXPERT provide some clarity here or else i'll just assume this is one of the few times a GMAC question is bogus

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 10 Mar 2014, 10:24
I believe the passage doesn’t state that half of all automobiles on the road were produced by Deluxe. The passage states that “over half of all automobiles BUILT BY THE COMPANY since 1970 are still on the road today.” Therefore, I believe it is irrelevant how many cars were produced by Deluxe. I went with D only because it sounds better than B.

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 10 Mar 2014, 11:48
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mashableforce wrote:
I believe the passage doesn’t state that half of all automobiles on the road were produced by Deluxe. The passage states that “over half of all automobiles BUILT BY THE COMPANY since 1970 are still on the road today.” Therefore, I believe it is irrelevant how many cars were produced by Deluxe. I went with D only because it sounds better than B.


This one is definitely B, although D can be quite tempting. Here is a little trick to show clearly that the answer is D.

The question asks which answer choice strengthens the argument that Deluxe automobiles are more reliable than other cars, due to the fact that a higher percentage of Deluxe cars are still on the road.

The correct answer will make the conclusion MORE believable. Using a trick to properly identify assumptions, let's negate the answer choice (make the statement the opposite) to see if the conclusion becomes LESS believable.

B - The number of automobiles built by deluxe each year HAS not increased sharply since 1970.
If the number of autos has increased sharply in recent years it would be very easy for a higher percentage to still be on the road so the conclusion that Deluxe autos are more reliable is much, much LESS believable. B is the correct answer. [also see good explanation from ConnectTheDots above]

D - Since 1970, Deluxe has made fewer MORE changes in the automobiles it manufactures than other car companies have made in their automobiles.
This is interesting information, but it doesn't make the conclusion less believable. Cars were chunks of iron with wheels in the 70's and have experienced massive amounts of change over the years. In fact, we might expect more change from reliable car manufacturers. The amount of change does not cast doubt on reliability so D is not the correct answer.

Additionally, watch out for time when CR questions discuss both percentages and raw numbers. The GMAT loves to trap people in the shift between percentages and numbers.

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 10 Mar 2014, 19:39
Option B.
If the production has been relatively stable since 1970,and 50% of that production is still on road,it strengthens the argument.
Suppose the argument is about a four year period,say from 2010 to 2014 and each year prod.=100 units.According to Co.'s claim out of 400 vehicles manufactured in thse 4 yrs.,200 are still on road.Now this 200 will include almost equal no. Of autos from each of the 4 yrs.,thus strengthening Co.'s claim of durability.
In on the other hand we take increasing production for each year,say 100,200,300,400 for each of the 4 yrs.,then 500 autos will still be on road today BUT THAT NO. COULD HAVE MOST AUTOS FROM THE LATEST YEAR THUS WEAKENING CO.'S CLAIM.

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Re: An advertisement designed to convince readers of the great [#permalink]

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Re: An advertisement designed to convince readers of the great [#permalink]

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 18 Jun 2017, 05:13
From a manufacturing stand point why is B correct and not D. I live in Michigan, Motown, so I need good explanation.

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 09 Jul 2017, 01:52
A – We are looking for durability and not cost – So A is irrelevant
B – Sounds Good, lets hold on and check other options
C – Owners keep the cars well maintained does not support durability, and rather owners can do it for all cars not only for this manufacturers car
D – This may be tempting however, it talks fewer changes, and we cannot say for sure that those few changes are related to durability, or those changes have helped increase durability
E – Selling price not relevant to durability, Hence E is out


Hence, By POE - B is the answer. You can also do negation on B

Hence, Answer is B
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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 15 Jul 2017, 21:36
C weakens the argument.
D seems to strengthen the argument, but it actually is irrelevant because "few changes" does not have any direct link with "the number of cars today" in the passage.

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 16 Jul 2017, 00:05
The argument has so many flwas and could easily been attacked by critics. Option B actually helps the author prevent one possible attack

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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 16 Jul 2017, 09:45
Merged topics. Please, search before posting questions!
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Re: An advertisement designed to convince readers of the great [#permalink]

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New post 21 Jul 2017, 08:18
I am highly confused between B and D.
B- Production hasn't increased is a clear indication that the old cars are still on the roads.
D- Has not made many changes means that it has less chances of improving something and hence more durable.

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Re: An advertisement designed to convince readers of the great   [#permalink] 21 Jul 2017, 08:18

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