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# Approximately two hundred brands of personal computers are

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Manager
Joined: 06 Mar 2010
Posts: 106
Approximately two hundred brands of personal computers are [#permalink]

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13 Jun 2010, 17:07
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33% (02:18) correct 67% (02:02) wrong based on 5 sessions

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Approximately two hundred brands of personal computers are being manufactured, but we currently limit our inventory to only the eight most popular brands. We plan to increase greatly the number of computers we sell by expanding our inventory to include the ten best-selling brands.
Which of the following, if true, points out a major weakness of the plan above?
(A) The capabilities of three most popular personal computers add to be approximately equivalent, with no brand having consistent superiority in all respects.
(B) The seven most popular brands of personal computers account for almost all computers sold.
(C) As the users of personal computers become more sophisticated, they are more willing to buy less well-known brands of computers.
(D) Less popular brands of computers often provide less profit to the retailer because prices must be discounted to attract customers.
(E) The leading brand of personal computer has been losing sales to less popular brands that offer similar capabilities for less money.

The ans of the above example is B, but can anyone explain how B is better than C.
Intern
Joined: 20 Apr 2010
Posts: 17
Re: 1000CR query: Weaken the arguement [#permalink]

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13 Jun 2010, 23:11
Let me give it a try:

C states that 'As the users of personal computers become more sophisticated, they are more willing to buy less well-known brands of computers'

In future, it is possible that some of the less well known brands eventually become part of the top 10 brands(considerable % of all computers sold), thus company may still expand its inventory to include top 10 brands.

B states that 'The seven most popular brands of personal computers account for almost all computers sold'

If the seven most popular brands account for ~100% of cumputers sold, it is very unlikely company will expand its inventory to include additional 3 brands that constitute a meagre %(say 2-3% or so), keeping in mind cost considerations etc.
Manager
Joined: 06 Mar 2010
Posts: 106
Re: 1000CR query: Weaken the arguement [#permalink]

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14 Jun 2010, 09:08
But it can be possible that when the people start buying less known brand of computers, those brands will not make into the list of 10 most selling brands.
Thus it will lead to decrease in sales of computers.
Manager
Joined: 06 Mar 2010
Posts: 106

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14 Jun 2010, 15:47
any more clues from anyone to justify the answer..
Senior Manager
Affiliations: SPG
Joined: 15 Nov 2006
Posts: 327
Re: 1000CR query: Weaken the arguement [#permalink]

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17 Jun 2010, 12:03
abhas59 wrote:
The ans of the above example is B, but can anyone explain how B is better than C.

it is very frustrating to write a complete post and then accidentally closing the tab

Situation: there are 200 brands and the company sells only 8 most popular ones. it plans to increase sale greatly by expanding the inventory to include 2 relatively less popular brands.

B) old inventory already has 7 popular brands, so adding 2 more will not increase the sale much because 7 brands account for almost all sales.
this weakens company's approach of increasing computer sale. there's no reason left to add any more brand.

C) it actually strengthens the conclusion. if people are willing to buy less popular brands, then adding more brands in the inventory may increase the sales.

abhas59 wrote:
But it can be possible that when the people start buying less known brand of computers, those brands will not make into the list of 10 most selling brands.
Thus it will lead to decrease in sales of computers.

this thought is too far fetched. we don't know when people will become more sophisticated ... may be soon, may be not ... we don't know what percentage of users will become sophisticated. so C is not logically correct because it MAY strengthen or it MAY ALSO weaken the conclusion .. so this can't be the answer.

B clearly weakens and is correct

_________________

press kudos, if you like the explanation, appreciate the effort or encourage people to respond.

Manager
Joined: 01 Mar 2010
Posts: 175
Re: 1000CR query: Weaken the arguement [#permalink]

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17 Jun 2010, 15:12
Lemme give it a shot

Approximately two hundred brands of personal computers are being manufactured, but we currently limit our inventory to only the eight most popular brands. We plan to increase greatly the number of computers we sell by expanding our inventory to include the ten best-selling brands.
Which of the following, if true, points out a major weakness of the plan above?

(B) The seven most popular brands of personal computers account for almost all computers sold.
--> The assumption is that by including more best-selling brands, they will increase the number of computer sold. However, if most of computer sold is from top 7, current 8 brands are sufficient... no need to go extra 2.

(C) As the users of personal computers become more sophisticated, they are more willing to buy less well-known brands of computers.
--> The passage says "best-selling" brands. (C) addresses "well-known"ness of a brand. I think you are connecting those two w/o knowing, thinking that if people buy less-known, then they won't buy well-known (best selling). The passage doesn't say anything about well-knownness so it's out of scope.
Re: 1000CR query: Weaken the arguement   [#permalink] 17 Jun 2010, 15:12
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