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reply2spg wrote: Some geologists argue that if oil is as common in unsampled areas of the world as it is in those already sampled, our current estimate of reserves that exist underground must be multiplied by a factor of 10,000. From this we can conclude that we can meet the oil needs of the entire world for at least five centuries, even assuming that future consumption grows at an accelerating rate. To reach the stated conclusion, the author must assume which of the following? A) It is possible to recover the oil contained in unexplored areas of the world B) The consumption rate for oil will not grow rapidly C) Oil will remain an important energy source for at least 500 years D) The world will achieve and maintain zero population growth E) New technology will make oil discovery and drilling more feasible than ever before E)wrong..it does not mention anywhere whether or not we can make oil discovery feasible or not D)wrong..Future consumption growing at an accelerating rate will require some hand from the increasing population...loose assumption C)wrong..Clearly it is not an assumption. B)wrong..it refers to the consumption rate growing rapidly. A)Correct..Stood out as an assumption to me while reading the first sentence.
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A is a sure shot answer, as far as B is concerned, the conclusion in the question considers the "exponential growth" fact already
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Moss wrote: I usually hate it when people argue the OA, but in this case I must join the ranks! The answer appears to be a clear A. Agreed  Since it was an assumption question I wrote out my own brief assumption "Assuming we can even get to or retrieve the reserves" A is closest to my written assumption and makes sense. Like everyone else said, B has already been assumed in the stimulus.
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yea. A for me. B is already mentioned.
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Seems this question has been in discussion for quite some time and also features as "question of the day" for 30-dec-2010. Here's my take: reply2spg wrote: Some geologists argue that if oil is as common in unsampled areas of the world as it is in those already sampled, our current estimate of reserves that exist underground must be multiplied by a factor of 10,000. From this we can conclude that we can meet the oil needs of the entire world for at least five centuries, even assuming that future consumption grows at an accelerating rate.
To reach the stated conclusion, the author must assume which of the following?
(A) It is possible to recover the oil contained in unexplored areas of the world. The author has given the amount of oil in unexplored areas (that is, equal to the current reserves) and then goes on to say by how much we should increase our oil reserve estimate in order to meet the need (including accelerated pace need) to meet future demands. So for this conclusion to be made, it is clear that the author is assuming that whatever quantity is there in unexplored areas, can be recovered made ready to meet demand. This is exactly what this option says. Good option choice. Now lets examine other choices.
(B) The consumption rate for oil will not grow rapid. I don't see how this is an assumption. Author clearly states in the premises that oil remains are sufficient to meet any demand for 500 years,
(C) Oil will remain an important energy source for at least 500 years. Whether oil is an important scope of energy is not the context of argument in any manner.
(D) The world will achieve and maintain zero population growth. Totally out of scope.
(E) New technology will make oil discovery and drilling more feasible than ever before. Nothing is stated about technology. May be the current technology is sufficient but only the areas are unexplored. Out of scope answer choice.
A is the best answer option here. I would say the OA is hugely debatable.
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I've changed OA in the first post.
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a
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The answer is obviously A. why do you think it 's B?
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A
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negating A clearly crashes the conclusion here. choice is between A and C, where C is a slight hyperbole here.
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Easy one: A!
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Re: Some geologists argue that if oil is as common in unsampled [#permalink]
 06 May 2012, 20:35
+1 A If it is impossible to recover the oil of the unsampled areas, we cannot conclude that we will have more oil in the future.
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Re: Some geologists argue that if oil is as common in unsampled [#permalink]
29 May 2012, 02:51
reply2spg wrote: Some geologists argue that if oil is as common in unsampled areas of the world as it is in those already sampled, our current estimate of reserves that exist underground must be multiplied by a factor of 10,000. From this we can conclude that we can meet the oil needs of the entire world for at least five centuries, even assuming that future consumption grows at an accelerating rate.
To reach the stated conclusion, the author must assume which of the following?
(A) It is possible to recover the oil contained in unexplored areas of the world
(B) The consumption rate for oil will not grow rapidly
(C) Oil will remain an important energy source for at least 500 years
(D) The world will achieve and maintain zero population growth
(E) New technology will make oil discovery and drilling more feasible than ever before B. Author is saying that future consumption will grow at a rapid rate. So this is wrong. C. Time oil will remain = Total amount of reserves*Rate at which reserves are used up every year. No information is provided about this. Moreover, it is not an assumption. Assumption should reflect reserves, of course oil will remain important source of energy D. Nothing has been said about population. Moreover, if world will achieve zero population growth and given that future consumption will grow at an accelerating rate, so how can that be true, in the face of zero population growth? out of scope... E. Nothing has been said about technology which will make it feasible. Out. A. Author has said about probability of oil in unsampled areas of the world, then it must be based on the assumption that oil could be recovered in unsampled areas of the world. Right choice.
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Re: Some geologists argue that if oil is as common in unsampled [#permalink]
15 Sep 2012, 02:30
Clear A, the last sentence states even though the demand for oil grows at an acclerating rate, the supplies wud last .So,B can't be the answer. 
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Re: Some geologists argue that if oil is as common in unsampled [#permalink]
04 Jan 2013, 01:30
Easiest one ever encountered I would say -
a) Simply yes, unless you can recover the oil, entire para just goes for a ride.
b) Contradicts the stated assumption author has made in the para.
c) Entire para talks about established need of oil.Also, the para says 'can' meet, doesnot say'will' meet.
d) Completely beyond scope of the para context, no connection mentioned between growing population and enerygy consumption
e) Not related to the para context as it never says if existing technology has some challenges because of thish oil in unsampled area could not be harnessed.
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Re: Some geologists argue that if oil is as common in unsampled
[#permalink]
04 Jan 2013, 01:30
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