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# Eighty percent of notebook computers that were sold in

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Intern
Status: "You never fail until you stop trying." ~Albert Einstein~
Joined: 16 May 2010
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05 Jan 2011, 23:54
I chose A over B because the past tense is not needed to clarity a past sequence; "last year" should be enough get the meaning/order of the sentence. Although the OA is B, I understand the reasoning in both A and B.

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06 Jan 2011, 00:16
In using only one verb tense, were, choice A fails to indicate that the computers were manufactured before sold. Choices C and D use the present perfect tense incorrectly, saying in effect that the computers have been manufactured after they were sold last year. Choice E suggests that the manufacturing of the notebook computers, rather than selling, occurred last year, thus making the sequence of events unclear. Only B uses verb tenses correctly to indicate that manufacturing of the computers was completed prior to the selling.

I find this explanation on http://www.gmatcat.com/yw/Chapter2_SC_02.htm

Hope this helps

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09 Jan 2011, 02:31
"has been" is correct tense..so its B
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07 Feb 2011, 10:33
Darn.. I chose A! Thanks iCandy. And yes, I too hope this does NOT appear in the GMAT
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09 Feb 2011, 05:44
I chose B. 'had been' is needed to indicate that manufacturing happened before selling.

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14 Apr 2011, 13:44
I went with A but understood now why B is correct

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15 Apr 2011, 00:19
two interesting explanations have been put forward by iCandy and x2suresh.. this has become more confusing

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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10 Jan 2012, 01:09
B. clearly i think here "manufacture" event happened before "sell".

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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10 Jan 2012, 02:47
OA should not be B,

We don't need to know whether computers were definitely manufactured prior to selling, its so obvious that we don't need to stress the timings here. you can't sell a computer that is not manufactured. Here the stress is they were manufactured in China.

There are two un-related events, which should not require past perfect.

Computers manufactured in China.
(those)Computers sold in US.
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Re: Eighty percent of notebook computers that were sold in [#permalink]

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10 Jan 2012, 06:56
Initially choose A, but recognize that there are two actions in the past, and manufactured is before sold, so need past perfect here.

Another lesson learned. Always check the time order of the verbs to determine the tense

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Director
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Re: Eighty percent of notebook computers that were sold in [#permalink]

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10 Jan 2012, 08:27
+1 b
had been required to differentiate the sequence of events.
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A WAY TO INCREASE FROM QUANT 35-40 TO 47 : http://gmatclub.com/forum/a-way-to-increase-from-q35-40-to-q-138750.html

Q 47/48 To Q 50 + http://gmatclub.com/forum/the-final-climb-quest-for-q-50-from-q47-129441.html#p1064367

Three good RC strategies http://gmatclub.com/forum/three-different-strategies-for-attacking-rc-127287.html

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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12 Jan 2012, 00:07
B

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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25 Jan 2012, 08:20

http://gmatclub.com/forum/boy-i-just-love-these-4-line-long-scs-pretty-soon-they-will-51663.html#p1029101

and they replied me: we should use past perfect only if we need to emphasize the sequence of time.

But these 2 questions are somehow similar. aren't they?

Why should we use past perfect in this question?

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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10 Jan 2013, 20:56
Clearly, D & E is out in first glance itself
A),B) and C), I think we all know why c) is wrong.
Now left to A) and B), a slight confusion I must say - Manufacturing did happen earlier than selling.(obvious fact).Hence, there is no need to apply Past Perfect here.Past Perfect is only applied if you need to clearly differentiate between the timings of the action.

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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03 Jan 2014, 17:23
rampuria wrote:
Eighty percent of notebook computers that were sold in United States last year were manufactured in China, a country that has the largest population in the world.

A. Eighty percent of notebook computers that were sold in United States last year were
B. Eighty percent of notebook computers that were sold in United States last year had been
C. Eighty percent of notebook computers that were sold in United States last year have been
D. Last year eighty percent of notebook computers were sold in United States that have been
E. Last year eighty percent of notebook computers that were sold in United States had been

[Reveal] Spoiler: OA
B

OA - B / D - both seems tue. But D changes the meaning . emphasis on last year rather then quantity of computers sold.

Thanks for posting

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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05 Jan 2014, 09:33
Close choice between B and E .
B seems to be the better answer .
We need the past perfect tense here since we have two actions manufacturing and selling . Obviously manufacturing has taken place before selling and to make sense we need the "had....." .

I think E would have been correct if worded "Last year eighty percent of notebook computers sold in United States had been "

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06 Feb 2014, 12:33
atish wrote:
B is the correct usage of past perfect tense. The computers were manufactured at a point in time in the past which was prior to the sale date, also in the past (last year). E is incorrect because Last year eighty percent of is incoherent with the rest of the sentence.

Thanks dude, but on the other hand, as other members mentioned above what's the deal with the use of had been when we already have 'last year' signaling the correct order of events

Thanks
Cheers
J

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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08 Feb 2014, 02:32
Confusing, hopefully an expert can chime in...I picked B, but now I'm having doubts...

On one hand, PP seems justified because we are describing 2 interdependent past events where one precedes the other.

On the other hand, PP may not be justified as there is really no need to clarify the sequence of events (obviously you can't sell the computers before they are built).
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Re: Eighty percent of notebook computers that were sold in [#permalink]

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01 Mar 2014, 10:25
it should be a. as the sentence contains the "last year",can't use present perfect(not needed,its effect doesn't continue in the present) also,we cant go for past perfect because again,the term last year clearly separates the the two time zones of computers being manufactured and computers being sold..thus i believe that A is the only answer choice.

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Re: Eighty percent of notebook computers that were sold in [#permalink]

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01 Mar 2014, 20:24
Option B.
In A,simple past is used twice;whereas two past actions should use simple past and past perfect in that order.

In D & E,meaning is changed with change in placement of 'last year'.It should be 'no. Of computers sold last year' and not 'Last year eighty %...'

In C,present perfect is used incorrectly.

Posted from my mobile device

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Re: Eighty percent of notebook computers that were sold in   [#permalink] 01 Mar 2014, 20:24

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