A ten-year comparison between the United States and the : GMAT Critical Reasoning (CR)
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# A ten-year comparison between the United States and the

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CEO
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A ten-year comparison between the United States and the [#permalink]

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01 Oct 2003, 16:55
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3. A ten-year comparison between the United States and the Soviet
Union in terms of crop yeilds per acre revealed that when only
planted acreage is compared, Soviet yeilds are equal to 68
percent of United States yields. When total agricultural
acreage(planted acreage plus fallow acreage) is compared,
however, Soviet yield is 114 percent of United States yield.

From the information above, which of the following can be most
reliably inferred about United States and Soviet agriculture during
the ten-year period?

A. A higher percentage of total agricultural acreage was fallow in
the United States than in the Soviet Union.

B. The United States had more fallow acreage than planted acreage.

C. Fewer total acres of available agricultural land were fallow in
the Soviet Union than in the United States.

D. The Soviet Union had more planted acreage than fallow acreage.

E. The Soviet Union Produced a greater volume of crops than the
United States produced
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Manager
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02 Oct 2003, 03:58
I was struggling between A and B, but chose B.
Though I may assume that we also used to produce more crops in absolute value.
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03 Oct 2003, 06:20
My choice is C; It creates a comparison b/w US and Soviet Union directly. A is ruled out since it talks about percentages. E is irrelevant.
B and D talk abt the area but do not quantify it.
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Jazzy bee

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03 Oct 2003, 07:23
i was just wondering that is it possible to solve this CR like a PS question.
i will try it.
Soviet United
P 68 100 (assumed)
F 274 200
Total 342 300 (assumed)
i get B. how do u like this approach. Is there any fault in solving such percentage questions like this..?
-vicky
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03 Oct 2003, 08:14
Jasdeep wrote:
My choice is C; It creates a comparison b/w US and Soviet Union directly. A is ruled out since it talks about percentages. E is irrelevant.
B and D talk abt the area but do not quantify it.

The passage narrates about persentages, so A is ruled out by this very reason—your logic is interesting. Remember, an acreage is in a denominator of a fraction. The higher acreage, the smaller the fraction.
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03 Oct 2003, 08:24
I see now that B is not correct. I was driven by pure intuition, thinking that such a great difference in outcomes (when fallow added) may come from greater share of follow land in US. Just pluged the numbers - wrong.
Then I checked D, which is pretty much close to A. No way, only A is correct.
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06 Oct 2003, 01:00
stolyar/prat/vaka please explain how A is correct.
thanks
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06 Oct 2003, 06:25
I guess A.

I was going back and forth between A and B. Almost settled for B, then it struck me that it doesn't tell you anything about relation bewteen Soviet's planted and fallow land. So, the logic changed to:

a = crop yield
x1 = US planted
x2 = Sov planted
y1 = US fallow
y2 = Sov fallow

a/x1 > a/x2 ........... given
BUT
(a/(x1 + y1)) < (a/(x2 + y2))
so MUST be: y1 > y2

...making A the right choice.
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22 Dec 2006, 02:46
I chose A...
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01 Jan 2007, 15:53
Using POE: B, C, D and E are lacking. We need data related to % of fallow or planted acreage in the US and the Soviet Union. The only answer choice that could be reliably inferred is A.

Praetorian wrote:
3. A ten-year comparison between the United States and the Soviet
Union in terms of crop yeilds per acre revealed that when only
planted acreage is compared, Soviet yeilds are equal to 68
percent of United States yields. When total agricultural
acreage(planted acreage plus fallow acreage) is compared,
however, Soviet yield is 114 percent of United States yield.

From the information above, which of the following can be most
reliably inferred about United States and Soviet agriculture during
the ten-year period?

A. A higher percentage of total agricultural acreage was fallow in
the United States than in the Soviet Union.

B. The United States had more fallow acreage than planted acreage.

C. Fewer total acres of available agricultural land were fallow in
the Soviet Union than in the United States.

D. The Soviet Union had more planted acreage than fallow acreage.

E. The Soviet Union Produced a greater volume of crops than the
United States produced
Re: CR : Acreage   [#permalink] 01 Jan 2007, 15:53
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# A ten-year comparison between the United States and the

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