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Since 1966, roughly 21 percent of those enlisted in the USMC

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Since 1966, roughly 21 percent of those enlisted in the USMC [#permalink] New post 05 Nov 2010, 07:33
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Since 1966, roughly 21 percent of those enlisted in the USMC had reached
an E-5 ranking in fewer than three years
.

(A) had reached an E-5 ranking in fewer than three years
(B) have reached an E-5 ranking in less than three years
(C) have reached an E-5 ranking in under three years
(D) had reached an E-5 ranking in less than three years
(E) have reached an E-5 ranking in fewer than three years
[Reveal] Spoiler: OA
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Re: Quantity / Word / Tense [#permalink] New post 05 Nov 2010, 07:37
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Re: Quantity / Word / Tense [#permalink] New post 05 Nov 2010, 08:23
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How can we reconcile to a past perfect when the phenomenon is still going on. Let us drop all the - had reached choices -. Among B, C and E, although E seems to be the choice by grammar, C is more elegant and pleasant to hear, as I deem it is an acceptable form of idiom to say - under three years.-

If the official answer is not between C and E, then may I seek the OE for justifying the OA.
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Re: Quantity / Word / Tense [#permalink] New post 05 Nov 2010, 09:37
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Re: Quantity / Word / Tense [#permalink] New post 05 Nov 2010, 16:18
I'd prefer present perfect here too.

There's no other clause describing the timeline, so I'm inclined to believe 'since 1966' means from 1966 to present.

Any other opinions?
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Re: Quantity / Word / Tense [#permalink] New post 05 Nov 2010, 18:28
I prefer Present perfect..because "since 1966"
Also I could not see Two events (past perfect and Past tense ) In this sentence, Based on this, "Had reached.." eliminated.
If anyone disagrees,I am happy to see his or her explanations
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Re: Quantity / Word / Tense [#permalink] New post 05 Nov 2010, 21:42
OA pls, pls give source or OE along with OA
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Re: Quantity / Word / Tense [#permalink] New post 15 Nov 2010, 07:12
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hi feruz77,

which book are you studying? You always have difficult questions! :?
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Re: Quantity / Word / Tense [#permalink] New post 25 Dec 2010, 02:18
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I say this is 700+ question. My choice is A.

the key to past perfect here is that the act of reaching the ranks was complete for 21 percent, who reached it within 3 years.
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Re: Quantity / Word / Tense [#permalink] New post 04 Feb 2011, 01:30
I still haven't understood why past perfect tense. Why not present perfect???
Past perfect is normally used for the tenses with two time frames in the past.

Please explain.
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Re: Quantity / Word / Tense [#permalink] New post 04 Feb 2011, 02:05
One more for E. Past perfect just doesn't make sense here.
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Re: Quantity / Word / Tense [#permalink] New post 25 Jul 2011, 20:31
feruz77 wrote:
Since 1966, roughly 21 percent of those enlisted in the USMC had reached
an E-5 ranking in fewer than three years
.

(A) had reached an E-5 ranking in fewer than three years
(B) have reached an E-5 ranking in less than three years
(C) have reached an E-5 ranking in under three years
(D) had reached an E-5 ranking in less than three years
(E) have reached an E-5 ranking in fewer than three years


so the discussion is not conlcusive

any thoughts why "less than three years" is incorrect as we can count years....... :? :?
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Re: Quantity / Word / Tense [#permalink] New post 25 Jul 2011, 23:48
What is wrong with C? Cant we say under 3 years ?

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Re: Quantity / Word / Tense [#permalink] New post 26 Jul 2011, 06:28
msbinu wrote:
What is wrong with C? Cant we say under 3 years ?

br,
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Dear binu
lets be pratical
we can say under the table (its concerned with the position of the object)


but we cant say under the year

can we???????????

but yes we can say within 3 years (provided the sentence makes sense)
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Re: Quantity / Word / Tense [#permalink] New post 26 Jul 2011, 07:12
MGMAT SC says whenever you use since, use it with a present perfect not past perfect.

Quote from page 109: "If you use SINCE with a time phrase, such as 1987, use the present perfect.
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Re: Quantity / Word / Tense [#permalink] New post 26 Jul 2011, 18:53
I selected E but now confused. For justification we can said that action was completed before 1968 (1965+3 years) but want to learn concept.
I saw on website that since can be used with past perfect but I can not take that as base unless see at some standard source.
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Re: Quantity / Word / Tense [#permalink] New post 26 Jul 2011, 20:33
yeh an expert's opinion and explanation will help.
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Re: Quantity / Word / Tense [#permalink] New post 27 Jul 2011, 05:00
the same problem i voted for E because we need to use here present perfet instead of past perfect - the action started in the past and still going. Since help to indentified this.

left with B, C and E.

E is correct because it use correct word "fewer" because year are countable.
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Re: Quantity / Word / Tense [#permalink] New post 18 Sep 2011, 06:42
correct ans is actually B. see the explanation by knewton.

http://www.beatthegmat.com/an-odd-st-t70077.html
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Re: Quantity / Word / Tense [#permalink] New post 18 Sep 2011, 10:24
When it reads clearly perfect, ignore the rules.. and that's how I got B. :)
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Re: Quantity / Word / Tense   [#permalink] 18 Sep 2011, 10:24
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