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Tough one!

by vineeshp » Mon Jul 18, 2011 7:16 pm
Astronomers have recently deduced the age of the oldest living star in the known universe, a metal-poor star that is a fossil formed in the early history of the universe and endured some 13.2 billion years.
A) endured
B) endures
C) enduring
D) it endured
E) is enduring

[spoiler]OA:C[/spoiler]
Vineesh,
Just telling you what I know and think. I am not the expert. :)
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by sandy217 » Mon Jul 18, 2011 11:30 pm
vineeshp wrote:Astronomers have recently deduced the age of the oldest living star in the known universe, a metal-poor star that is a fossil formed in the early history of the universe and endured some 13.2 billion years.
A) endured
B) endures
C) enduring
D) it endured
E) is enduring

[spoiler]OA:C[/spoiler]
Should be C.
Living star , indicates present tense and enduring is required.
Has endured is incorrect usage.
Between E and C
in E "is" is not required.
"that is.......... and is enduring some 13.2 billion years" Not correct.
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by Rezinka » Tue Jul 19, 2011 2:11 am
Between E and C, I don't get why E is wrong.
We can analyse it as:
that "is a fossil....." and "is enduring..:
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by Baand » Tue Jul 19, 2011 2:23 am
vineeshp wrote:Astronomers have recently deduced the age of the oldest living star in the known universe, a metal-poor star that is a fossil formed in the early history of the universe and endured some 13.2 billion years.
A) endured
B) endures
C) enduring
D) it endured
E) is enduring

[spoiler]OA:C[/spoiler]
Option C is good,in E "is" seems to be redundant,not required.
Choose the one which serves the purpose and is short!!
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by sandy217 » Tue Jul 19, 2011 2:26 am
Rezinka wrote:Between E and C, I don't get why E is wrong.
We can analyse it as:
that "is a fossil....." and "is enduring..:
I think either should be acceptable.Rule says u can avoid repetition of such words..But it doesnt say you should avoid repetition.

Any experts take on this?
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by GMATGuruNY » Tue Jul 19, 2011 5:32 am
sandy217 wrote:
Rezinka wrote:Between E and C, I don't get why E is wrong.
We can analyse it as:
that "is a fossil....." and "is enduring..:
I think either should be acceptable.Rule says u can avoid repetition of such words..But it doesnt say you should avoid repetition.

Any experts take on this?
Two reasons that is enduring is incorrect:

The regular present tense can't be used to describe an action that has taken place over some 13.2 billion years.

Both formed and enduring are adjectives modifying the fossil: a fossil formed...and enduring. If the sentence were to say a star that is a fossil...and is enduring, then enduring would refer not to the fossil but to the star. This would change the intended meaning.
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by pm » Tue Jul 19, 2011 11:11 am
OA please .
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by arghya05 » Wed Jul 20, 2011 7:34 am
tell me a foolproof way how to know if endured is a verb(simple past) or past particple
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by arghya05 » Wed Jul 20, 2011 7:35 am
i can endured (verb) + verb(that is opyion 1)
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by sj233 » Wed Jul 20, 2011 7:44 am
my pick would be, E- is enduring...
is has been added to maintain parallelism after- that "is' a fossil.... (therefore) "is enduring"...
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by bek_gmat » Wed Jul 20, 2011 7:56 am
why is not 'A'?
... formed and ... endured seem to be following the rule of parallesim?
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by arghya05 » Wed Jul 20, 2011 8:48 am
i have solved the problem
endured cannot be a verb because it is object to noun main verb (is)
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by gmat25 » Wed Jul 20, 2011 9:14 am
Hi Mitch,

I understand the parallelism b/w participles. Can u please explain why Op A is wrong. "endured" is also acting as a participial (past) so formed can be parallel to endured.
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by GMATGuruNY » Wed Jul 20, 2011 9:30 am
gmat25 wrote:Hi Mitch,

I understand the parallelism b/w participles. Can u please explain why Op A is wrong. "endured" is also acting as a participial (past) so formed can be parallel to endured.
To be enduring means to be remaining in existence.

To be endured means to be suffered. A pain endured by millions means a pain suffered by millions.

Endured does not convey the intended meaning of the sentence. The fossil is not being suffered.
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