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# One of the most useful social conventions is money

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Manager
Joined: 17 May 2015
Posts: 246
One of the most useful social conventions is money  [#permalink]

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28 Jul 2017, 05:57
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Difficulty:

55% (hard)

Question Stats:

62% (01:59) correct 38% (02:08) wrong based on 164 sessions

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One of the most useful social conventions is money, whose universality across societies is matched only by language. Unlike language, which is rooted in an innate ability, money is an artificial, human invention. Hence, it seems probable that the invention of money occurred independently in more than one society.

The argument’s conclusion is properly drawn if which one of the following is assumed?

(A) Some societies have been geographically isolated enough not to have been influenced by any other society.

(B) Language emerged independently in different societies at different times in human history.

(C) Universal features of human society that are not inventions are rooted in innate abilities.

(D) If money were not useful, it would not be so widespread.

(E) No human society that adopted the convention of money has since abandoned it.

Source: LSAT
Senior Manager
Joined: 24 Jun 2012
Posts: 365
Location: Pakistan
GPA: 3.76
Re: One of the most useful social conventions is money  [#permalink]

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28 Jul 2017, 06:09
In order to make conclusion valid, what writer has assumed
Conclusion is "invention of money occurred independently in more than one society"

ganand wrote:
One of the most useful social conventions is money, whose universality across societies is matched only by language. Unlike language, which is rooted in an innate ability, money is an artificial, human invention. Hence, it seems probable that the invention of money occurred independently in more than one society.

The argument’s conclusion is properly drawn if which one of the following is assumed?

(A) Some societies have been geographically isolated enough not to have been influenced by any other society. --->right option clearly says that "some" societies are geographically isolated that other societies have no influence---argument already has said that money is invented by human thus it proves that those isolated societies must have invented money independently"

(B) Language emerged independently in different societies at different times in human history. [We arn't concerned about language, if language emerged independently, it has no effect on conclusion"

(C) Universal features of human society that are not inventions are rooted in innate abilities. [are we concerned about universal features that are NOT invented?"] wrong-out of scope

(D) If money were not useful, it would not be so widespread. [useful of money doesnt prove either its invention occur independently or not"] wrong out of scope

(E) No human society that adopted the convention of money has since abandoned it.[out of scope]
Source: LSAT

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Manager
Joined: 13 Apr 2017
Posts: 76
Location: India
GMAT 1: 660 Q40 V41
GPA: 3.4
WE: Engineering (Energy and Utilities)
Re: One of the most useful social conventions is money  [#permalink]

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28 Jul 2017, 10:26
ganand wrote:
One of the most useful social conventions is money, whose universality across societies is matched only by language. Unlike language, which is rooted in an innate ability, money is an artificial, human invention. Hence, it seems probable that the invention of money occurred independently in more than one society.

The argument’s conclusion is properly drawn if which one of the following is assumed?

(A) Some societies have been geographically isolated enough not to have been influenced by any other society.

(B) Language emerged independently in different societies at different times in human history.

(C) Universal features of human society that are not inventions are rooted in innate abilities.

(D) If money were not useful, it would not be so widespread.

(E) No human society that adopted the convention of money has since abandoned it.

Source: LSAT

I will go with answer A.

That is the only choice that provides an extra premise that is essential for the conclusion to be definitive. Moreover negating it hurts the conclusion.
Re: One of the most useful social conventions is money   [#permalink] 28 Jul 2017, 10:26
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