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According to a prediction of the not-so-distant future

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According to a prediction of the not-so-distant future [#permalink]

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According to a prediction of the not-so-distant future published in 1940, electricity would revolutionize agriculture. Electrodes would be inserted into the soil, and the current between them would kill bugs and weeds and make crop plants stronger.

Which of the following, if true, most strongly indicates that the logic of the prediction above is flawed?

(A) In order for farmers to avoid electric shock while working in the fields, the current could be turned off at such times without diminishing the intended effects.
(B) If the proposed plan for using electricity were put into practice, farmers would save on chemicals now being added to the soil.
(e) It cannot be taken for granted that the use of electricity is always beneficial.
(D) Since weeds are plants, electricity would affect weeds in the same way as it would affect crop plants.
(E) Because a planting machine would need to avoid coming into contact with the electrodes, new parts for planting machines would need to be designed
[Reveal] Spoiler: OA

Last edited by honchos on 31 May 2016, 04:16, edited 1 time in total.
Correct the Formatting and Indentation of the Question

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Re: According to a prediction of the not-so-distant future [#permalink]

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New post 07 Aug 2012, 14:12
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(A) In order for farmers to avoid electric shock while
working in the fields, the current could be turned
off at such times without diminishing the
intended effects.
neutral effect on the argument.

(B) If the proposed plan for using electricity were
put into practice, farmers would save on
chemicals now being added to the soil.
strengthening

(C) It cannot be taken for granted that the use of
electricity is always beneficial.
it is too generic to weaken the argument.

(D) Since weeds are plants, electricity would affect
weeds in the same way as it would affect crop
plants.
weakening ; the main crop plant will be killed along with the weeds and bugs.

(E) Because a planting machine would need to avoid
coming into contact with the electrodes, new
parts for planting machines would need to be
designed.
weakening but the magnitude of weakness is lower than that of (D)
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Re: According to a prediction of the not-so-distant future [#permalink]

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New post 23 Aug 2012, 09:31
Its a clear D , as it states that electrodes will affect the plants and weeds equally so only weeds would not be killed, plants along with weeds would be killed as well
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Re: According to a prediction of the not-so-distant future [#permalink]

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New post 23 Aug 2012, 09:31
Its a clear D , as it states that electrodes will affect the plants and weeds equally so only weeds would not be killed, plants along with weeds would be killed as well
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Re: According to a prediction of the not-so-distant future [#permalink]

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New post 20 Feb 2014, 18:44
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Re: According to a prediction of the not-so-distant future [#permalink]

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New post 21 Feb 2014, 02:34
Option D seems appropriate weakener.
The argument says current would kill weeds and strengthen crops.What if weeds were crop plants too?The current will have same effect on both.

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New post 29 Jun 2015, 13:28
Hello from the GMAT Club VerbalBot!

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Re: According to a prediction of the not-so-distant future [#permalink]

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I have no doubts that OA is D, but in part of the premises the author states that "... kill bugs and weeds" and then concludes that " make crop plants stronger".
OA D states the exact opposite!
any explanations?!!@

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According to a prediction of the not-so-distant future [#permalink]

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azargoshtasb wrote:
I have no doubts that OA is D, but in part of the premises the author states that "... kill bugs and weeds" and then concludes that " make crop plants stronger".
OA D states the exact opposite!
any explanations?!!@

Hi Azargoshtab.
In flaw type questions you have to identify the flaw in the reasoning between two premises. In other words you have to attack the assumption without caring much for the premises. Here the assumption is that this method will not have any similar adverse effect on crops. If this assumption is true then we can safely say that this method will kill the weeds and bugs, and therefore will make the crops stronger. But since this assumption is not made in the argument we can attack it through option D. Hope this helps :-D

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Re: According to a prediction of the not-so-distant future [#permalink]

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New post 25 May 2017, 02:06
premise:
Quote:
Electrodes ... would kill ..weeds..

answer:
Quote:
electricity would affect weeds in the same way as it would affect crop plants.

totally agree with azargoshtasb - there is obvious flaw in logic.

Quote:
In flaw type questions you have to identify the flaw in the reasoning between two premises. In other words you have to attack the assumption without caring much for the premises.

deep14, to find flow in logic doesn't mean to make premise wrong..it means to find the fact which makes conclusion wrong. am I right?

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Re: According to a prediction of the not-so-distant future [#permalink]

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New post 26 Jul 2017, 22:36
Merged topics. Please, search before posting questions!
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Re: According to a prediction of the not-so-distant future [#permalink]

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New post 23 Nov 2017, 04:11
the pattern in this question is important. Many reliable sources have been adding such pattern in their pools of gmat questions.

D directly links with the argument.

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Re: According to a prediction of the not-so-distant future   [#permalink] 23 Nov 2017, 04:11
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According to a prediction of the not-so-distant future

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