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*700* Country B's oil production is not sufficient to meet

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*700* Country B's oil production is not sufficient to meet  [#permalink]

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New post 23 Apr 2015, 06:46
10
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A
B
C
D
E

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  45% (medium)

Question Stats:

63% (01:47) correct 37% (02:01) wrong based on 566 sessions

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Country B's oil production is not sufficient to meet its domestic demand. In order to sharply reduce its dependence on foreign sources of oil, Country B recently embarked on a program requiring all of its automobiles to run on ethanol in addition to gasoline. Combined with its oil production, Country B produces enough ethanol from agricultural by-products to meet its current demand for energy. Which of the following must be assumed in order to conclude that Country B will succeed in its plan to reduce its dependence on foreign oil?

A. Electric power is not a superior alternative to ethanol in supplementing automobile gasoline consumption.

B. In Country B, domestic production of ethanol is increasing more quickly than domestic oil production.

C. Ethanol is suitable for the heating of homes and other applications aside from automobiles.

D. In Country B, gasoline consumption is not increasing at a substantially higher rate than domestic oil and ethanol production.

E. Ethanol is as efficient as gasoline in terms of mileage per gallon when used as fuel for automobiles.

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Re: *700* Country B's oil production is not sufficient to meet  [#permalink]

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New post 23 Apr 2015, 09:25
D....Logically negating D will fail the conclusion..

gasoline consumption is not increasing at a substantially higher rate than domestic oil and ethanol production.

Remove the not, conclusion falls apart
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Re: *700* Country B's oil production is not sufficient to meet  [#permalink]

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New post 23 Apr 2015, 12:18
I will go with Option D. Most precise.

souvik101990 wrote:
Country B's oil production is not sufficient to meet its domestic demand. In order to sharply reduce its dependence on foreign sources of oil, Country B recently embarked on a program requiring all of its automobiles to run on ethanol in addition to gasoline. Combined with its oil production, Country B produces enough ethanol from agricultural by-products to meet its current demand for energy. Which of the following must be assumed in order to conclude that Country B will succeed in its plan to reduce its dependence on foreign oil?

A. Electric power is not a superior alternative to ethanol in supplementing automobile gasoline consumption.

B. In Country B, domestic production of ethanol is increasing more quickly than domestic oil production.

C. Ethanol is suitable for the heating of homes and other applications aside from automobiles.

D. In Country B, gasoline consumption is not increasing at a substantially higher rate than domestic oil and ethanol production.

E. Ethanol is as efficient as gasoline in terms of mileage per gallon when used as fuel for automobiles.

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Re: *700* Country B's oil production is not sufficient to meet  [#permalink]

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New post 05 Jan 2017, 21:38
The OA is correct and explanation provided in the thread appear sufficient. If there are any specific questions, please click again on the "Request Expert Reply" button and post your queries – closing this request.
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Re: *700* Country B's oil production is not sufficient to meet  [#permalink]

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New post 06 Jan 2017, 01:14
1
Country B's oil production is not sufficient to meet its domestic demand. In order to sharply reduce its dependence on foreign sources of oil, Country B recently embarked on a program requiring all of its automobiles to run on ethanol in addition to gasoline. Combined with its oil production, Country B produces enough ethanol from agricultural by-products to meet its current demand for energy.

Type - Assumption
Boil it down - Combined with its oil production, Country B produces enough ethanol from agricultural by-products to meet its current demand for energy.

A. Electric power is not a superior alternative to ethanol in supplementing automobile gasoline consumption. - Out of scope

B. In Country B, domestic production of ethanol is increasing more quickly than domestic oil production. -Irrelevant- as long as B can use both of them to meet domestic demand all is well .

C. Ethanol is suitable for the heating of homes and other applications aside from automobiles. - Irrelevant

D. In Country B, gasoline consumption is not increasing at a substantially higher rate than domestic oil and ethanol production.- Correct - on negation this breaks the argument . If rate of gasoline consumption is substantially higher than domestic oil and ethanol production , then the conclusion will fall apart .

E. Ethanol is as efficient as gasoline in terms of mileage per gallon when used as fuel for automobiles. Irrelevant - Efficiency is not our concern

Answer D
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Re: *700* Country B's oil production is not sufficient to meet  [#permalink]

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New post 31 Jan 2018, 11:07
A. Electric power is not a superior alternative to ethanol in supplementing automobile gasoline consumption.

B. In Country B, domestic production of ethanol is increasing more quickly than domestic oil production.

C. Ethanol is suitable for the heating of homes and other applications aside from automobiles. -> out of scope

D. In Country B, gasoline consumption is not increasing at a substantially higher rate than domestic oil and ethanol production.

E. Ethanol is as efficient as gasoline in terms of mileage per gallon when used as fuel for automobiles.

B and D are opposite. B makes the conclusion wrong -> D is right,
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Re: *700* Country B's oil production is not sufficient to meet  [#permalink]

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New post 31 Jan 2018, 12:10
In this question, even if gasoline consumption is increasing at a substantially higher rate how does that break the conclusion since there is no information about gasoline reserves-whether they are limited, or production is super low in the country or super high. Without the knowledge about gasoline's reserves and production, how does it's consumption rate, even if increasing at a super high rate, be a concern?
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Re: *700* Country B's oil production is not sufficient to meet &nbs [#permalink] 31 Jan 2018, 12:10
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*700* Country B's oil production is not sufficient to meet

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