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Paleontologists believe that fragments of a primate jawbone

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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 10 Aug 2013, 17:12
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"fragments" is plural so the only possible options are (A) and (D).

"estimated at" vs "estimated to be" - "estimated to be" is better. Choose (D).
So yes, for this example, you need to know this idiom..

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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 11 Aug 2013, 01:05
IMO D
"estimated to be" is the correct idiom
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 13 Aug 2013, 20:56
D it is.

Guys, Does estimate as have a correct usage ?

I just see estimate to be in Manhattan , so just checking.

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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 13 Aug 2013, 20:58
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SRG13 wrote:
D it is.

Guys, Does estimate as have a correct usage ?

I just see estimate to be in Manhattan , so just checking. :-D


NO.

CORRECT USAGE:

ESTIMATED ...THAT

ESTIMATE X ..TO BE Y.

HOPE IT HELPS.
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 13 Aug 2013, 21:01
blueseas wrote:
SRG13 wrote:
D it is.

Guys, Does estimate as have a correct usage ?

I just see estimate to be in Manhattan , so just checking. :-D


NO.

CORRECT USAGE:

ESTIMATED ...THAT

ESTIMATE X ..TO BE Y.

HOPE IT HELPS.



It does. Thanks mate.

+1 Kudos to you. :-D

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Re: D [#permalink]

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New post 30 Sep 2013, 13:26
Damager wrote:
Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.

(A) at 40 to 44 million years old provide evidence of
(B) as being 40 to 44 million years old provides evidence of
(C) that it is 40 to 44 million years old provides evidence of what was
(D) to be 40 to 44 million years old provide evidence of
(E) as 40 to 44 million years old provides evidence of

Answer D
Estimated to be is correct idiom and fragments of jawbone is plural hence provide


With surface temperatures estimated at minus 230 degrees Farenheit --- Gmat prep problem
So estimated at is not incorrect :(
http://www.beatthegmat.com/estimated-at ... 07775.html
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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rpfinley wrote:
Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.

(A) at 40 to 44 million years old provide evidence of
(B) as being 40 to 44 million years old provides evidence of
(C) that it is 40 to 44 million years old provides evidence of what was
(D) to be 40 to 44 million years old provide evidence of
(E) as 40 to 44 million years old provides evidence of

As other have mentioned, this is an Idiom question, and the correct idiom is "estimate to be". Here's a link to a free GMAT Idiom ebook:
http://magoosh.com/gmat/2013/gmat-idiom-ebook/
Mike :-)
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 01 Oct 2013, 14:12
mikemcgarry wrote:
rpfinley wrote:
Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.

(A) at 40 to 44 million years old provide evidence of
(B) as being 40 to 44 million years old provides evidence of
(C) that it is 40 to 44 million years old provides evidence of what was
(D) to be 40 to 44 million years old provide evidence of
(E) as 40 to 44 million years old provides evidence of

As other have mentioned, this is an Idiom question, and the correct idiom is "estimate to be". Here's a link to a free GMAT Idiom ebook:
http://magoosh.com/gmat/2013/gmat-idiom-ebook/
Mike :-)


Thanks for the reply Mike ,

But in the problem from gmat prep

With surface temperatures estimated at minus 230 degrees Farenheit, Jupiter's moon Europa has long been considered far too cold to support life, its 60 square miles of water though to be frozen from top to bottom

"estimated at" is used in non underlined portion. So I mentioned the same in post above.
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 01 Oct 2013, 16:08
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targetdec31 wrote:
Thanks for the reply Mike ,
But in the problem from gmat prep
With surface temperatures estimated at minus 230 degrees Fahrenheit, Jupiter's moon Europa has long been considered far too cold to support life, its 60 square miles of water thought to be frozen from top to bottom
"estimated at" is used in non underlined portion. So I mentioned the same in post above.

Dear targetdec31,
Hmmm. On a few occasions, unfortunately I have seen inconsistencies in the GMAT's own material, and it usually shows up in this form --- something never would be right in an underlined section is presented as part of the non-underlined (theoretically correct) part of the sentence. I suspect this is because the GMAC folks generate a large number of possible questions and then subject those questions to an extensive "experimental" testing period, during which focus is on the underlined portion and the alternatives --- after all, that's what determines the quality of the question. I imagine that the non-underlined portion simply does not receive the same level of scrutiny, such that sometimes something like this will slip through in the non-underlined section. Nobody's perfect, not even the people who write the GMAT.

All I can say is --- "estimated to be" is the correct idiom, and "estimated at" would never be correct as an alternative to an underlined section of a GMAT SC question.

Does this make sense?

Mike :-)
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 01 Oct 2013, 21:19
mikemcgarry wrote:
targetdec31 wrote:
Thanks for the reply Mike ,
But in the problem from gmat prep
With surface temperatures estimated at minus 230 degrees Fahrenheit, Jupiter's moon Europa has long been considered far too cold to support life, its 60 square miles of water thought to be frozen from top to bottom
"estimated at" is used in non underlined portion. So I mentioned the same in post above.

Dear targetdec31,
Hmmm. On a few occasions, unfortunately I have seen inconsistencies in the GMAT's own material, and it usually shows up in this form --- something never would be right in an underlined section is presented as part of the non-underlined (theoretically correct) part of the sentence. I suspect this is because the GMAC folks generate a large number of possible questions and then subject those questions to an extensive "experimental" testing period, during which focus is on the underlined portion and the alternatives --- after all, that's what determines the quality of the question. I imagine that the non-underlined portion simply does not receive the same level of scrutiny, such that sometimes something like this will slip through in the non-underlined section. Nobody's perfect, not even the people who write the GMAT.

All I can say is --- "estimated to be" is the correct idiom, and "estimated at" would never be correct as an alternative to an underlined section of a GMAT SC question.

Does this make sense?

Mike :-)


Thanks again Mike for the confirmation . Now I will not forget that estimated at is the right idiom :)
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 26 Dec 2013, 11:11
SRG13 wrote:
D it is.

Guys, Does estimate as have a correct usage ?

I just see estimate to be in Manhattan , so just checking.


Most likely not. Stick to the ones mentioned above.

You can also reference a video explanation provided here:

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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 27 Dec 2013, 01:43
SRG13 wrote:
D it is.

Guys, Does estimate as have a correct usage ?

I just see estimate to be in Manhattan , so just checking.


As a verb, estimate/estimated should be followed by "to be"
As a noun, estimate can be followed by as.

Germany cut short its wine production estimate as output of white grapes declined.
--> 'as' here shows a cause-effect relationship; note that estimate here is used as a noun, not a verb.
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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rpfinley wrote:
Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.

(A) at 40 to 44 million years old provide evidence of
(B) as being 40 to 44 million years old provides evidence of
(C) that it is 40 to 44 million years old provides evidence of what was
(D) to be 40 to 44 million years old provide evidence of
(E) as 40 to 44 million years old provides evidence of

OA is D



The subject is fragments, so the verb needs to be plural (provide, not provides). B, C and E gone.

A) "estimated AT" sounds wrong because it implies you do it at a specific position of "40 to 44 million years old". So A sounds weird but we keep it as a contender

D) "estimated TO BE 40 to 44 million.." sounds much better, it preserves the intended meaning of the author instead of creating ambiguity. Since we're only concerned with A and D, D is our choice.

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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 26 Feb 2014, 04:17
GMATPill wrote:
"fragments" is plural so the only possible options are (A) and (D).

"estimated at" vs "estimated to be" - "estimated to be" is better. Choose (D).
So yes, for this example, you need to know this idiom..



Would you please explain how to use "estimated at" and "estimated to be" correctly, I'm confused. Thanks in advance.

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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 14 Mar 2014, 23:45
sher676 wrote:
Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.
(A) at 40 to 44 million years old provide evidence of
(B) as being 40 to 44 million years old provides evidence of
(C) that it is 40 to 44 million years old provides evidence of what was
(D) to be 40 to 44 million years old provide evidence of
(E) as 40 to 44 million years old provides evidence of what was



In this question how two verbs(estimated and provide) are present without any conjunction?

I guess estimated & unearthed are verb-ed modifier here .
Please explain.

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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 15 Mar 2014, 10:43
abid1986 wrote:
sher676 wrote:
Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.
(A) at 40 to 44 million years old provide evidence of
(B) as being 40 to 44 million years old provides evidence of
(C) that it is 40 to 44 million years old provides evidence of what was
(D) to be 40 to 44 million years old provide evidence of
(E) as 40 to 44 million years old provides evidence of what was



In this question how two verbs(estimated and provide) are present without any conjunction?

I guess estimated & unearthed are verb-ed modifier here .
Please explain.


Dear Abid,

I think you've already answered your own question! "Unearthed" and "estimated" are modifiers, so "estimated" is not parallel to "provide", and no conjunction is needed. One way to be sure of this is to remove the modifiers and see whether the subject and verb still make sense:

Paleontologists believe that fragments of a primate jawbone provide evidence of a crucial step along the evolutionary path that led to human beings.

"Fragments... provide" makes perfect sense.

Regards,
Meghna
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 16 Mar 2014, 17:00
10 Seconds.. :-D .Was it that easy or Am I improving finally.. :roll:
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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Idiom question. Hope the gmat doesn't test such idioms anymore.
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 04 Mar 2015, 11:20
Ergenekon wrote:
Idiom question. Hope the gmat doesn't test such idioms anymore.

Dear Ergenekon,

Despite rumors to the contrary, idioms are alive and well on the GMAT. See:
http://magoosh.com/gmat/2013/how-import ... orrection/

You may find this ebook helpful:
http://magoosh.com/gmat/2013/gmat-idiom-ebook/
Much of that same information is also available in flashcard form:
https://gmat.magoosh.com/flashcards/idioms

I hope this helps!
Mike :-)
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Re: Paleontologists believe that fragments of a primate jawbone [#permalink]

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New post 04 Mar 2015, 11:42
mikemcgarry wrote:
Ergenekon wrote:
Idiom question. Hope the gmat doesn't test such idioms anymore.

Dear Ergenekon,

Despite rumors to the contrary, idioms are alive and well on the GMAT. See:
http://magoosh.com/gmat/2013/how-import ... orrection/

You may find this ebook helpful:
http://magoosh.com/gmat/2013/gmat-idiom-ebook/
Much of that same information is also available in flashcard form:
https://gmat.magoosh.com/flashcards/idioms

I hope this helps!
Mike :-)




Thanks Mike. I also thought about it. But why do you think we can get a conclusion based on og13 questions? We do not have any reason to believe that the gmat regards its guides as much as its real exam questions. Having mostly not clear explanations for og problems shows otherwise. In addition, questions in which idioms can be used to find the right answer do not prove that those questions can only be answered by idioms. In my opinion, the gmat products have value only because they are official questions. However, their products are very low - quality. If there was another company with the official questions (in theory), I am sure the gmac would just go bankrupt:). I bought exam pack 1 and was disappointed a lot. For 50 dollars(or more) they provided me with question from gmat paper. So we can't assume that the gmac paid really serious attention to this case in og 13.
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Re: Paleontologists believe that fragments of a primate jawbone   [#permalink] 04 Mar 2015, 11:42

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