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SC ques on Barrels

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SC ques on Barrels [#permalink] New post 21 Jun 2009, 05:40
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A
B
C
D
E

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Question Stats:

80% (01:46) correct 20% (00:54) wrong based on 74 sessions
Hi Guys,

Came across a SC ques in GMAT PREP -

Q-1) Currently 26 billion barrels a year, world consumption of oil is rising at a rate of 2 percent annually.

A. world consumption of oil is rising at a rate of
B. the world is consuming oil at an increasing rate of
C. the world’s oil is being consumed at the increasing rate of
D. the rise in the rate of the world’s oil consumption is
E. oil is consumed by the world at an increasing rate of

OA:
[Reveal] Spoiler:
A


What is the reason for B being incorrect ?

Q-2) In California today, Hispanics under the age of eighteen account for more than 43%, compared with a decade ago, when it was about 35%.
A. In California today, Hispanics under the age of eighteen account for more than 43%, compared with a decade ago, when it was about 35%.
B. Of the Californians under the age of eighteen, today more than 43% of them are Hispanic, compared with a decade ago, when it was about 35%.
C. Today, more than 43% of Californians under the age of eighteen are Hispanic, compared with about 35% decade ago.
D. Today, compared to a decade ago, Californians who are Hispanics under the age of eighteen account for more than 43%, whereas it was about 35%.
E. Today, Hispanics under the age of eighteen in California account for more than 43%, unlike a decade ago, when it was about 35%.

OA:
[Reveal] Spoiler:
C
. Why is E Incorrect ?

Thanks,
GR
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Re: SC ques on Barrels [#permalink] New post 21 Jun 2009, 06:02
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(1) Modifier issue

What is currently 26 billion barrels a year? oil consumption

Only A fits

(2) "it" in all answer choices seem to be referring to population, which does not exist in the sentence to start with

Only C fits.
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Re: SC ques on Barrels [#permalink] New post 21 Jun 2009, 06:10
icandy wrote:
(1) Modifier issue

What is currently 26 billion barrels a year? oil consumption

Only A fits

(2) "it" in all answer choices seem to be referring to population, which does not exist in the sentence to start with

Only C fits.


I have a problem when it comes to Modifiers. Can you give me a tip on how to go about them. (I have gone thru Manhattan SC couple of times). In case of A as you mentioned what is currently 26 billion barrels a year? i know oil consumption. But is this the proper way to go about it. I feel there may be some other way.
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Re: SC ques on Barrels [#permalink] New post 22 Jun 2009, 09:23
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You need to understand framework #3.

Consider:
1) "currently 26 billion barrels a year, world oil consumption blah blah blah."

2) World oil consumption, currently 26 billion barrels a year, blah blah blah."

3) World oil consumption blah blah blah, currently 26 billion barrels a year."

Notice there are 3 different places you can position the descriptive phrase "currently 26 billion barrels a year." However, notice #3 does not make sense! Why? because from a sentence structure perspective, that phrase is structured so it describes the word nearest the comma to the left of it--which is NOT oil consumption.

But in #2, "currently 26 billion barrels a year" correctly is positioned with a comma to the left and the correct subject "world oil consumption."

Likewise in #1, "currently 26 billion barrels a year" correctly describes the word right next to the comma to the right of it--"world oil consumption"

So whenever you have a descriptive phrase, it must describe the word nearest the comma. The ONLY exception is when you have an "-ing" verb, in which case it must describe the subject of the sentence. But in this case you have a descriptive phrase: "currently 26 billion barrels a year" and it is positioned so it describes whatever word is to the right of the comma.

If you go through all the answer choices, only choice A has a word that makes sense with the phrase "currently 26 billion barrels a year"---the other answer choices have words that don't make sense with that phrase.

So you need to identify the structure of the sentence, look at how that structure dictates what describes what and identify which answer choice makes sense. I can only tell you so much via text, for more info check out the GMAT Pill Study Method.
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Re: SC ques on Barrels [#permalink] New post 23 Jun 2009, 04:00
Thanks GmatPhill for the explanation. I guess I am now getting a hang of how to solve modifier problems. :idea:
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Re: SC ques on Barrels [#permalink] New post 07 Dec 2012, 02:25
gmatpill wrote:
You need to understand framework #3.

Consider:
1) "currently 26 billion barrels a year, world oil consumption blah blah blah."

2) World oil consumption, currently 26 billion barrels a year, blah blah blah."

3) World oil consumption blah blah blah, currently 26 billion barrels a year."

Notice there are 3 different places you can position the descriptive phrase "currently 26 billion barrels a year." However, notice #3 does not make sense! Why? because from a sentence structure perspective, that phrase is structured so it describes the word nearest the comma to the left of it--which is NOT oil consumption.

But in #2, "currently 26 billion barrels a year" correctly is positioned with a comma to the left and the correct subject "world oil consumption."

Likewise in #1, "currently 26 billion barrels a year" correctly describes the word right next to the comma to the right of it--"world oil consumption"

So whenever you have a descriptive phrase, it must describe the word nearest the comma. The ONLY exception is when you have an "-ing" verb, in which case it must describe the subject of the sentence. But in this case you have a descriptive phrase: "currently 26 billion barrels a year" and it is positioned so it describes whatever word is to the right of the comma.

If you go through all the answer choices, only choice A has a word that makes sense with the phrase "currently 26 billion barrels a year"---the other answer choices have words that don't make sense with that phrase.

So you need to identify the structure of the sentence, look at how that structure dictates what describes what and identify which answer choice makes sense. I can only tell you so much via text, for more info check out the GMAT Pill Study Method.



Hi, I dint understand the meaning of "world consumption". I believe that it is "world's consumption". if not, what is the difference between "world consumption" and "world's consumption"
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Re: SC ques on Barrels [#permalink] New post 12 Dec 2012, 23:56
but the descriptive phrase 'currently 26 billion a year' is referring to world after comma....i guess it should be world's oil...pl confirm
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Re: SC ques on Barrels [#permalink] New post 13 Dec 2012, 06:01
The first sentence (A) The first part of the sentence is used as a modifier for the world consumption...
Currently 26 billion barrels a year, world consumption of oil is rising at a rate of 2 percent annually.

C. Today, more than 43% of Californians under the age of eighteen are Hispanic, compared with about 35% decade ago. CLEAR AND CONCISE, NO AMBIGUITY.
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Re: SC ques on Barrels [#permalink] New post 19 Jan 2013, 03:20
Q-2) In California today, Hispanics under the age of eighteen account for more than 43%, compared with a decade ago, when it was about 35%.
A. In California today, Hispanics under the age of eighteen account for more than 43%, compared with a decade ago, when it was about 35%. Here the percentage of hispanics is being with decade,actually present hispanics percentage should be compared to percentage of hispanics a decade ago
B. Of the Californians under the age of eighteen, today more than 43% of them are Hispanic, compared with a decade ago, when it was about 35%.same error as "a"
C. Today, more than 43% of Californians under the age of eighteen are Hispanic, compared with about 35% decade ago.correctly compares present percentage with percentage of a decade ago
D. Today, compared to a decade ago, Californians who are Hispanics under the age of eighteen account for more than 43%, whereas it was about 35%."whereas it was about 35%" should be nearer to decade which modifies
E. Today, Hispanics under the age of eighteen in California account for more than 43%, unlike a decade ago, when it was about 35%. usage of like should be used for nouns and pronouns only
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Re: SC ques on Barrels [#permalink] New post 26 Aug 2013, 18:30
greatchap wrote:
Hi Guys,

Came across a SC ques in GMAT PREP -

Q-1) Currently 26 billion barrels a year, world consumption of oil is rising at a rate of 2 percent annually.

A. world consumption of oil is rising at a rate of
world's oil consumption to be clear : and u find the sentence good.

B. the world is consuming oil at an increasing rate of
changes meaning.

C. the world’s oil is being consumed at the increasing rate of
distortion of everything.

D. the rise in the rate of the world’s oil consumption is
modifier error

E. oil is consumed by the world at an increasing rate of
passive and not clear.
OA:
[Reveal] Spoiler:
A


What is the reason for B being incorrect ?

Q-2) In California today, Hispanics under the age of eighteen account for more than 43%, compared with a decade ago, when it was about 35%.
A. In California today, Hispanics under the age of eighteen account for more than 43%, compared with a decade ago, when it was about 35%.
B. Of the Californians under the age of eighteen, today more than 43% of them are Hispanic, compared with a decade ago, when it was about 35%.
C. Today, more than 43% of Californians under the age of eighteen are Hispanic, compared with about 35% decade ago.
D. Today, compared to a decade ago, Californians who are Hispanics under the age of eighteen account for more than 43%, whereas it was about 35%.
E. Today, Hispanics under the age of eighteen in California account for more than 43%, unlike a decade ago, when it was about 35%.

OA:
[Reveal] Spoiler:
C
. Why is E Incorrect ?

Thanks,
GR


for this question, all the choices try to compare apples with orranges so all except c are wrng. c is consistent and very clear.
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Re: SC ques on Barrels [#permalink] New post 30 Sep 2013, 10:04
krrish wrote:
greatchap wrote:
Hi Guys,

Came across a SC ques in GMAT PREP -

Q-1) Currently 26 billion barrels a year, world consumption of oil is rising at a rate of 2 percent annually.

A. world consumption of oil is rising at a rate of
world's oil consumption to be clear : and u find the sentence good.

B. the world is consuming oil at an increasing rate of
changes meaning.

C. the world’s oil is being consumed at the increasing rate of
distortion of everything.

D. the rise in the rate of the world’s oil consumption is
modifier error

E. oil is consumed by the world at an increasing rate of
passive and not clear.
OA:
[Reveal] Spoiler:
A


What is the reason for B being incorrect ?

Q-2) In California today, Hispanics under the age of eighteen account for more than 43%, compared with a decade ago, when it was about 35%.
A. In California today, Hispanics under the age of eighteen account for more than 43%, compared with a decade ago, when it was about 35%.
B. Of the Californians under the age of eighteen, today more than 43% of them are Hispanic, compared with a decade ago, when it was about 35%.
C. Today, more than 43% of Californians under the age of eighteen are Hispanic, compared with about 35% decade ago.
D. Today, compared to a decade ago, Californians who are Hispanics under the age of eighteen account for more than 43%, whereas it was about 35%.
E. Today, Hispanics under the age of eighteen in California account for more than 43%, unlike a decade ago, when it was about 35%.

OA:
[Reveal] Spoiler:
C
. Why is E Incorrect ?

Thanks,
GR


for this question, all the choices try to compare apples with orranges so all except c are wrng. c is consistent and very clear.


The answer C do not have a meaning problem? because we are supposed to comparing the population in California not the Californians because there is a difference between it, a guy can move to Mexico to California he will be a mexican living in California not a californian.
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Re: SC ques on Barrels [#permalink] New post 25 Nov 2013, 09:44
Q-1) Currently 26 billion barrels a year, world consumption of oil is rising at a rate of 2 percent annually.

A. world consumption of oil is rising at a rate of <--- world consumption of oil , I THINK 's is missing it should be "world's consumption of oil"
B. the world is consuming oil at an increasing rate of <-- The world is not a appropriate subject for sentence starting with "26 billion barrels a year"
C. the world’s oil is being consumed at the increasing rate of <-- it looks fine, "the increasing" looks little bit odd should be "an increasing" <--best of all.
D. the rise in the rate of the world’s oil consumption is <--same issue as B
E. oil is consumed by the world at an increasing rate of <--- passive voice, not perfect.

EXPERTS ::: > I think, in option A apostrophe 's is missing right after world.

I selected C, bcz it is best.
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Re: SC ques on Barrels   [#permalink] 25 Nov 2013, 09:44
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