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sentence correction problem

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sentence correction problem [#permalink] New post 14 Jun 2009, 19:43
00:00
A
B
C
D
E

Difficulty:

  25% (low)

Question Stats:

58% (01:26) correct 42% (00:47) wrong based on 29 sessions
hey guys was wondering if anyone could explain this one:

Rock samples taken from the remains of an asteroid about twice the size of the 6-mile-wide asteroid that eradicated the dinosaurs has been dated to be 3.47 billion years old and thus is evidence of the earliest known asteroid impact on earth.

A. has been dated to be 3.47 billion years old and thus is
B. has been dated at 3.47 billion years old and thus
C. have been dated to be 3.47 billion years old and thus are
D. have been dated as being 3.47 years old and thus
E. have been dated at 3.47 billion years old and thus are
[Reveal] Spoiler: OA

Last edited by fameatop on 29 Aug 2013, 08:28, edited 1 time in total.
OA not Provided
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Re: sentence correction problem [#permalink] New post 14 Jun 2009, 20:44
E. have been dated at 3.47 billion years old and thus are

>>though i was a bit confused with the use of 'at' in option E and 'to be ' in option C.

would like some pointers.
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Re: sentence correction problem [#permalink] New post 14 Jun 2009, 21:44
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The correct answer is E

Rock samples taken from the remains of an asteroid about twice the size of the 6-mile-wide asteroid that eradicated the dinosaurs has been dated to be 3.47 billion years old and thus is evidence of the earliest known asteroid impact on earth.

A. has been dated to be 3.47 billion years old and thus is Incorrect Subject-Verb agreement Subject (Rock Samples) is plural but the verbs 'has' and 'is' are singular. Also incorrect Idiom dated to be.
B. has been dated at 3.47 billion years old and thus Incorrect Subject-Verb agreement Subject (Rock Samples) is plural but the verbs 'has' is singular.
C. have been dated to be 3.47 billion years old and thus are Correct Subject-Verb agreement but incorrect Idiom dated to be.
D. have been dated as being 3.47 years old and thus Incorrect Idiom dated as
E. have been dated at 3.47 billion years old and thus are Correct Subject-Verb agreement Also correct Idiom 'dated at'.
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Re: sentence correction problem [#permalink] New post 15 Jun 2009, 09:24
nookway wrote:
The correct answer is E

Rock samples taken from the remains of an asteroid about twice the size of the 6-mile-wide asteroid that eradicated the dinosaurs has been dated to be 3.47 billion years old and thus is evidence of the earliest known asteroid impact on earth.

A. has been dated to be 3.47 billion years old and thus is Incorrect Subject-Verb agreement Subject (Rock Samples) is plural but the verbs 'has' and 'is' are singular. Also incorrect Idiom dated to be.
B. has been dated at 3.47 billion years old and thus Incorrect Subject-Verb agreement Subject (Rock Samples) is plural but the verbs 'has' is singular.
C. have been dated to be 3.47 billion years old and thus are Correct Subject-Verb agreement but incorrect Idiom dated to be.
D. have been dated as being 3.47 years old and thus Incorrect Idiom dated as
E. have been dated at 3.47 billion years old and thus are Correct Subject-Verb agreement Also correct Idiom 'dated at'.


I thought it is C.

I learned something new - idiom "dated at".

Thanks !!
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Re: sentence correction problem [#permalink] New post 15 Jun 2009, 09:47
goldeneagle94 wrote:
nookway wrote:
The correct answer is E

Rock samples taken from the remains of an asteroid about twice the size of the 6-mile-wide asteroid that eradicated the dinosaurs has been dated to be 3.47 billion years old and thus is evidence of the earliest known asteroid impact on earth.

A. has been dated to be 3.47 billion years old and thus is Incorrect Subject-Verb agreement Subject (Rock Samples) is plural but the verbs 'has' and 'is' are singular. Also incorrect Idiom dated to be.
B. has been dated at 3.47 billion years old and thus Incorrect Subject-Verb agreement Subject (Rock Samples) is plural but the verbs 'has' is singular.
C. have been dated to be 3.47 billion years old and thus are Correct Subject-Verb agreement but incorrect Idiom dated to be.
D. have been dated as being 3.47 years old and thus Incorrect Idiom dated as
E. have been dated at 3.47 billion years old and thus are Correct Subject-Verb agreement Also correct Idiom 'dated at'.


I thought it is C.

I learned something new - idiom "dated at".

Thanks !!


Ditto. I went with C too. Didn't know about the idiom.
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Re: sentence correction problem [#permalink] New post 16 Jun 2009, 08:26
dated at, new addition to the list of idioms
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Re: sentence correction problem [#permalink] New post 16 Jun 2009, 15:51
dated to be means it is still tentative while dated at shows the certainty.

Here sentence demands certainty therefore, E is correct.
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Re: sentence correction problem [#permalink] New post 16 Jun 2009, 21:42
hemantsood wrote:
dated to be means it is still tentative while dated at shows the certainty.

Here sentence demands certainty therefore, E is correct.


So does that means both idioms are correct but differs in context of certainty?
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Re: sentence correction problem [#permalink] New post 17 Jun 2009, 02:05
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Re: sentence correction problem [#permalink] New post 17 Jun 2009, 02:27
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Just found the below link, while searching on google:
http://www.manhattangmat.com/og12-sentence-corr.cfm

which explains:
Dated must go with "at", not "to be", when you express an age: This fossil has been dated AT 10,000 years old, not TO BE 10,000 years old. In contrast, a seemingly similar word, estimated, must be used in precisely the opposite way with ages (This fossil has been estimated TO BE 10,000 years old, not AT 10,000 years old).
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Re: sentence correction problem [#permalink] New post 17 Jun 2009, 02:45
Great, thanks everyone, even I did not know that 'dated at' was an idiom.
I also thought it would be C.
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Re: sentence correction problem [#permalink] New post 17 Jun 2009, 03:41
Thank you very much..I thought it was (C). Got to add a new idiom to my master list
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Re: sentence correction problem [#permalink] New post 18 Jun 2009, 00:14
So can someone conclude for this:

are both the idioms, dated to be and dated at, correct?
If yes, what do they imply - the certainity or the way it is mentioned in sc-rock-samples-15613.html#p98593

Wats the OA?
the link sent by bigoyal suggest OA to be C
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Re: sentence correction problem [#permalink] New post 18 Jun 2009, 00:51
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sudeep wrote:
So can someone conclude for this:

are both the idioms, dated to be and dated at, correct?
If yes, what do they imply - the certainity or the way it is mentioned in sc-rock-samples-15613.html#p98593

Wats the OA?
the link sent by bigoyal suggest OA to be C


Actually E should be the correct answer.
Correct idiom use is - "dated at X years old" or "estimated to be X years old"

scorpio7 - please let us know the OA ?
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Re: sentence correction problem [#permalink] New post 18 Jun 2009, 04:16
bigoyal wrote:
sudeep wrote:
So can someone conclude for this:

are both the idioms, dated to be and dated at, correct?
If yes, what do they imply - the certainity or the way it is mentioned in sc-rock-samples-15613.html#p98593

Wats the OA?
the link sent by bigoyal suggest OA to be C


Actually E should be the correct answer.
Correct idiom use is - "dated at X years old" or "estimated to be X years old"

scorpio7 - please let us know the OA ?



OA is E. I got this question in Prep 2 exam.
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Re: sentence correction problem [#permalink] New post 19 Jun 2009, 09:13
good question, didn't know the idiom "date at", thanks :)
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Re: sentence correction problem [#permalink] New post 05 Nov 2009, 07:30
First split : have is better

Second split : date at is a correct idiom

Thus, E wins
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Re: sentence correction problem [#permalink] New post 10 Aug 2011, 01:29
nookway wrote:
The correct answer is E

Rock samples taken from the remains of an asteroid about twice the size of the 6-mile-wide asteroid that eradicated the dinosaurs has been dated to be 3.47 billion years old and thus is evidence of the earliest known asteroid impact on earth.

A. has been dated to be 3.47 billion years old and thus is Incorrect Subject-Verb agreement Subject (Rock Samples) is plural but the verbs 'has' and 'is' are singular. Also incorrect Idiom dated to be.
B. has been dated at 3.47 billion years old and thus Incorrect Subject-Verb agreement Subject (Rock Samples) is plural but the verbs 'has' is singular.
C. have been dated to be 3.47 billion years old and thus are Correct Subject-Verb agreement but incorrect Idiom dated to be.
D. have been dated as being 3.47 years old and thus Incorrect Idiom dated as
E. have been dated at 3.47 billion years old and thus are Correct Subject-Verb agreement Also correct Idiom 'dated at'.


Opps..I think this is really a dangerous question, I picked E becuase dinosaurs -- Plural!!!!! i do not understand how could the "have been" is pointing to ROCK SAMPLE???

can anyone pls explain...thanks
Re: sentence correction problem   [#permalink] 10 Aug 2011, 01:29
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