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# Many conceptual categories are parts of dichotomous (distinct a

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Senior Manager
Joined: 07 Dec 2017
Posts: 316
GMAT 1: 660 Q50 V30
Many conceptual categories are parts of dichotomous (distinct a  [#permalink]

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23 Aug 2018, 07:04
1
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Difficulty:

55% (hard)

Question Stats:

66% (02:31) correct 34% (02:22) wrong based on 85 sessions

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Many conceptual categories are parts of dichotomous (distinct and mutually exclusive) pairs: good or bad, right or wrong, rational or irrational, etc. However, advances in scientific understanding have shown some long-held dichotomies to be untenable. Some life forms have characteristics of both animals and plants; also, matter can be converted into energy and vice versa. Therefore, dichotomous classifications into mutually exclusive categories should generally be abandoned.

Which one of the following exhibits flawed reasoning most similar to that in the argument above?

(A) Review by outside consultants has shown that this company should replace all of its computers with more powerful models. Therefore, not all of this company's computers are powerful enough.

(B) Recent clinical trials have shown that some antianxiety drugs are addictive and can have life-threatening side effects. Therefore, the use of drugs for the treatment of anxiety should be discontinued.

(C) Current highway safety data clearly demonstrate that all intoxicated drivers are dangerous. So we should get intoxicated drivers off the roads.

(D) The longer fruit is kept, the more likely it is to become rotten. While these peaches seem to be fine, they have been kept for a rather long time. So it is best to throw them away now before they begin to rot.

(E) This budget is based on the assumption that revenue will increase for the next two years. However, revenue figures for past years show that assumption to be untenable. Therefore, this budget should be replaced by a more realistic one.

LSAT

Intern
Joined: 18 Jun 2017
Posts: 48
Re: Many conceptual categories are parts of dichotomous (distinct a  [#permalink]

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24 Aug 2018, 01:14
IMO,Case stated is of bad generalisation.

Just because some long-held dichotomies to be untenable we can't conclude about all.

Same is the case with B.
If we closely observe the language of B, it is very similar to the stem.
Use of words and same faulty generalisation logic make it the correct answer.
Manager
Joined: 16 Jun 2018
Posts: 50
Many conceptual categories are parts of dichotomous (distinct a  [#permalink]

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25 Aug 2018, 00:23
AshutoshB wrote:
Many conceptual categories are parts of dichotomous (distinct and mutually exclusive) pairs: good or bad, right or wrong, rational or irrational, etc. However, advances in scientific understanding have shown some long-held dichotomies to be untenable. Some life forms have characteristics of both animals and plants; also, matter can be converted into energy and vice versa. Therefore, dichotomous classifications into mutually exclusive categories should generally be abandoned.

Which one of the following exhibits flawed reasoning most similar to that in the argument above?

(A) Review by outside consultants has shown that this company should replace all of its computers with more powerful models. Therefore, not all of this company's computers are powerful enough.

(B) Recent clinical trials have shown that some antianxiety drugs are addictive and can have life-threatening side effects. Therefore, the use of drugs for the treatment of anxiety should be discontinued.

(C) Current highway safety data clearly demonstrate that all intoxicated drivers are dangerous. So we should get intoxicated drivers off the roads.

(D) The longer fruit is kept, the more likely it is to become rotten. While these peaches seem to be fine, they have been kept for a rather long time. So it is best to throw them away now before they begin to rot.

(E) This budget is based on the assumption that revenue will increase for the next two years. However, revenue figures for past years show that assumption to be untenable. Therefore, this budget should be replaced by a more realistic one.

LSAT

I focused on tone of stimuli, it was more like X was true but now some X is false. Therefore all X's should be false.

A: Review of consultant showed all should be replaced. Now option tone is generalized for all computers. So Wrong
B: Some drugs are addictive and life threatening. Therefore all should be banned. Matched the tone with stimulus (I think)
C, D, E: Same issue as A.

Is my reasoning correct ?
Many conceptual categories are parts of dichotomous (distinct a   [#permalink] 25 Aug 2018, 00:23
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