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# Five hundred million different species of living creatures

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Director
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08 Feb 2006, 18:05
i dont have an oa. but here are my thoughts

a)-ing is not the intention of the sentence
c)passive
d)of them is wordy
b)very convoluted. its like saying nearly 50% of the 500 students of farifield high school are retarded. Or would you say "of the 500 students of fairfield high school, nearly 50% are retarded.

which is why i choose e

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Manager
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08 Feb 2006, 18:37
E.

D appears right at first but should have ended with "nearly 99 percent have vanished. "

Last edited by trublu on 08 Feb 2006, 21:29, edited 2 times in total.

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08 Feb 2006, 18:48
should be B.

99% is singular so "have"s in D and E are wrong.

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08 Feb 2006, 21:11
B seems convoluted to me and it has the "have" in it. joemama what's the OA?

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09 Feb 2006, 19:48
E keeps true to the form that was expressed in the question.
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09 Feb 2006, 21:12
Professor wrote:
should be B.

99% is singular so "have"s in D and E are wrong.

99% of~ species ---> plural is perfectly fine. Additionally, B omits the essential "the"

Choose (E) and click confirm.

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Director
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09 Feb 2006, 22:43
Professor wrote:
should be B.

99% is singular so "have"s in D and E are wrong.

but we observe the same error in B, the sentence refers "have" to the 99%.

In E, the "have" refers to the 500 million- thats what I think.

would click on E and confirm.

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10 Feb 2006, 13:19
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.

I might be wrong here but let me try..
B would sound better if it was written as

Nearly 99 percent of the five hundered million different species of living creates that have appeared on Earth have vanished.
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10 Feb 2006, 14:35
B.

I chose B because I was not very happy with E (red part).

joemama142000 wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.

C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.

D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.

E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished

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13 Feb 2006, 09:14
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.

I think we need ending part like "that have appeared on Earth have vanished"

C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
ruled out compeltely.

D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
verbose, "of them" can be avoided as sentence begins with "of"

E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished
Looks fine to me.

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Five hundred million different species of living creatures [#permalink]

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12 Apr 2007, 19:01
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Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

[Reveal] Spoiler:
Why can't B be the answer?

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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 05:48
Agree with Kevin why can B cant be the answer
This question has also stumped me twice.

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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 06:28
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ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

OA: E

Why can't B be the answer?

In choice B, "that appeared on Earth" seems to refer to "nearly 99 % of 500 million different species of living creatures", whereas we know that it should refer to "500 million different species of living creatures"

SC questions that are underlined entirely tends to be modification questions. Make sure modifier is referring to the logical modifyee.

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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 06:39
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ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.

C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.

D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.

E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

OA: E

Why can't B be the answer?

Here's my take -

The key is the use of the article "The" and the use of present perfect tense in choice E.

Choice B leaves open the possibility that more than 500 million diff species may have appeared on earth. E make is specific - only 500 mill diff species have appeared and 99% of these have vanished.

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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 07:29
B and E seem very close but I will choose E because of the use of the article "The".

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Re: Five hundred million different species of living creatures [#permalink]

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13 Apr 2007, 10:54
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Hi ricokevin,
The OA is B only.
The problem with E is that both the verbs are in present perfect meaning that during the course of species' appearance the species started vanishing.

http://www.gmatclub.com/phpbb/viewtopic.php?t=43741

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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 07:41
vineetgupta wrote:
Hi ricokevin,
The OA is B only.
The problem with E is that both the verbs are in present perfect meaning that during the course of species' appearance the species started vanishing.

http://www.gmatclub.com/phpbb/viewtopic.php?t=43741

Then I got it right!!!

tough one.

Thanks guys~

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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 08:20
ricokevin wrote:
Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A. Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
B. Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.
C. Vanished are nearly 99 percent of the five hundred million different species of living creatures that appeared on Earth.
D. Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.
E. Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

OA: E

Why can't B be the answer?

Between B and E i choose B. Because E suggest that species vanished before apparing because of the use of present tense. so my choice is B

Javed.

Cheers!

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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 09:42
This question is testing clarity and subject verb agreement. Between B and E. E is clearer.

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Re: Five hundred million different species of living creatures [#permalink]

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14 Apr 2007, 10:08
vineetgupta wrote:
Hi ricokevin,
The OA is B only.
The problem with E is that both the verbs are in present perfect meaning that during the course of species' appearance the species started vanishing.

http://www.gmatclub.com/phpbb/viewtopic.php?t=43741

2 OAs

I think E is correct
E takes into account the 1% of animals who are still living.
It is an SC of type: Past and present participle

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Re: Five hundred million different species of living creatures   [#permalink] 14 Apr 2007, 10:08

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