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United States and the Soviet Union in terms of crop yields

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GRE 1: Q167 V156
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United States and the Soviet Union in terms of crop yields [#permalink] New post 11 Feb 2016, 06:52
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22% (02:29) correct 77% (02:08) wrong based on 44 sessions
A ten-year comparison between the United States and the Soviet Union in terms of crop yields per acre revealed that when only planted acreage is compared, Soviet yields were equal to 68 percent of United States yields. When total agricultural acreage (planted acreage plus fallow acreage) is compared, however, Soviet yield was 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.

Practice Questions
Question: 2
Page: 71
Difficulty: hard
[Reveal] Spoiler: OA

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GRE Prep Club Legend
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Joined: 07 Jun 2014
Posts: 4809
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 128

Kudos [?]: 2045 [0], given: 397

Re: United States and the Soviet Union in terms of crop yields [#permalink] New post 11 Feb 2016, 06:54
Expert's post

Explanation



If crop yield per planted acre was less in the Soviet Union than it was in the United States, yet crop yield per total (planted plus fallow) agricultural acreage was greater in the Soviet Union than it was in the United States, the percentage of the total acreage that was left fallow must have been lower in the Soviet Union than in the United States.

Therefore, Choice A is the correct answer. Since the information provided in the paragraph is given in terms of yield per acre, no conclusion can be drawn about actual acreage, so Choices B, C, and D are all incorrect. Similarly, it is impossible to determine the total volume of crops produced in the Soviet Union, so Choice E is incorrect.
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Re: United States and the Soviet Union in terms of crop yields [#permalink] New post 03 Mar 2018, 01:09
Can anyone give the reason why A is correct . i feel very difficult to comprehend the exp
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Re: United States and the Soviet Union in terms of crop yields [#permalink] New post 03 Mar 2018, 03:59
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when only planted acreage is compared

S < US

When total agricultural acreage

S > US

We care only of percentage of total agricultural acreage

if you read the other answer choice they talk about planted acreage or volume of the acreage NOT percentage.

You should read very carefully.

A is the best choice.
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Re: United States and the Soviet Union in terms of crop yields [#permalink] New post 03 Aug 2019, 01:46
Carcass wrote:
when only planted acreage is compared

S < US

When total agricultural acreage

S > US

We care only of percentage of total agricultural acreage

if you read the other answer choice they talk about planted acreage or volume of the acreage NOT percentage.

You should read very carefully.

A is the best choice.




Please explain in details. It is very tough question indeed.
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Re: United States and the Soviet Union in terms of crop yields [#permalink] New post 06 Aug 2019, 00:25
Expert's post
1)
A ten-year comparison between the United States and the Soviet Union in terms of crop yields per acre revealed that when only planted acreage is compared, Soviet yields were equal to 68 percent of United States yields.

Here, we are focusing on the crop yielded PER acre. However, it is crucial to keep in mind that we are comparing ONLY the planted land
For instance, US cultivate 1000 acreage and from these, it yields 100 kg of brocccoli.
Russia of the same extension has 6.8 kg of broccoli


2)
When total agricultural acreage (planted acreage plus fallow acreage) is compared, however, Soviet yield was 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.

This is the correct choice. From what I have highlighted above is the only thing we can infer. For russia to have 114% means that the acreage it cultivates is almost if not in its entirety exploited

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

This is information is only partial if any

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

The total acres area can not be inferred because we do not have enough information

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

We do have only information about % not quantities of planted land

E The Soviet Union produced a greater volume of crops than the United States produced.

The volume is out of scope

Hopèe now is more clear than before to you
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Re: United States and the Soviet Union in terms of crop yields   [#permalink] 06 Aug 2019, 00:25
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