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Migraine, the most debilitating common form of headache,

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Migraine, the most debilitating common form of headache, [#permalink] New post 23 Jun 2010, 16:07
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A
B
C
D
E

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  5% (low)

Question Stats:

35% (01:52) correct 65% (00:45) wrong based on 25 sessions
Migraine, the most debilitating common form of headache, afflicts perhaps 18 million Americans, who collectively lose 64 million workdays a year, and they cost the nation $50 billion in medical expenses and lost work time.

(A) year, and they cost the nation $50 billion in medical expenses and lost
(B) year and thus cost the nation $50 billion in medical expenses and lost
(C) year, so as to cost the nation $50 billion in medical expenses and lost
(D) year that costs the nation $50 billion in lost medical expenses and
(E) year, which thus cost the nation $50 billion in lost medical expenses and

Please explain your answer. OA later
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Re: Migraine - watch carefully! [#permalink] New post 23 Jun 2010, 18:13
I chose B, even though I don't like it much.

A) sloppy pronoun agreement - "they" could refer to workdays.
B) It's the best, but I don't like "thus" - it makes me think we shouldn't be considering the medical expense cost
C) "so as to cost" is just bad
D and E) misplaced modifier: "lost medical expenses"
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Re: Migraine - watch carefully! [#permalink] New post 23 Jun 2010, 19:58
Migraine ,,, afflicts perhaps 18 million Americans,,, who collectively lose 64 million workdays a year, and thus "cost" the nation $50 billion in medical expenses and lost work time.

Answer B does not make sense, migraine is singular, cost is missing s at the end.
So, by POE, i am choosing C
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Re: Migraine - watch carefully! [#permalink] New post 23 Jun 2010, 20:04
mirzohidjon wrote:
Migraine ,,, afflicts perhaps 18 million Americans,,, who collectively lose 64 million workdays a year, and thus "cost" the nation $50 billion in medical expenses and lost work time.

Answer B does not make sense, migraine is singular, cost is missing s at the end.
So, by POE, i am choosing C


The problem with your reasoning is that "Americans" is the subject that "cost" agrees with. Notice the plural "lose"; "cost" needs to be parallel. At least that's how I read it. It can be very confusing.
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Re: Migraine - watch carefully! [#permalink] New post 23 Jun 2010, 20:51
michigancat wrote:
mirzohidjon wrote:
Migraine ,,, afflicts perhaps 18 million Americans,,, who collectively lose 64 million workdays a year, and thus "cost" the nation $50 billion in medical expenses and lost work time.

Answer B does not make sense, migraine is singular, cost is missing s at the end.
So, by POE, i am choosing C


Thank you, got it. Now, I see why answer needs to be B. I have to be careful when reading SC :)
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Re: Migraine - watch carefully! [#permalink] New post 23 Jun 2010, 21:59
Clearly GMAT trap.
(D) year that costs the nation $50 billion in lost medical expenses and ---> that modifies the year which is not the purpose. It should modify " lost workdays "
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Re: Migraine - watch carefully! [#permalink] New post 08 Jul 2010, 06:56
Migraine, the most debilitating common form of headache, afflicts perhaps 18 million Americans, who collectively lose 64 million workdays a year, and they cost the nation $50 billion in medical expenses and lost work time.

(A) year, and they cost the nation $50 billion in medical expenses and lost - they can refer to 'Americans' or 'workdays'

(B) year and thus cost the nation $50 billion in medical expenses and lost - thus is correct here. Americans lose workdays and thus (therefore) cost the nation $50 billion (CORRECT)

(C) year, so as to cost the nation $50 billion in medical expenses and lost - 'so as to' is almost always incorrect in GMAT

(D) year that costs the nation $50 billion in lost medical expenses and - 'that' refers to year which is incorrect. The loss of $64 billion dollars is because of the loss of workdays and not because of 'year'

(E) year, which thus cost the nation $50 billion in lost medical expenses and - 'which incorrectly refers to 'year'
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Re: Migraine - watch carefully! [#permalink] New post 08 Jul 2010, 08:19
OA please...this is confusing.
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Re: Migraine - watch carefully! [#permalink] New post 08 Jul 2010, 13:17
OA is B
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Re: Migraine - watch carefully! [#permalink] New post 08 Jul 2010, 16:57
I might be wrong, but I believe Cost is one of those tricky ones where Cost is singular and costs are plural.
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Re: Migraine - watch carefully! [#permalink] New post 01 Jan 2011, 02:58
(B)

(A) year, and they cost the nation $50 billion in medical expenses and lost
(B) year and thus cost the nation $50 billion in medical expenses and lost
(C) year, so as to cost the nation $50 billion in medical expenses and lost
(D) year that costs the nation $50 billion in lost medical expenses and <missing lost>
(E) year, which thus cost the nation $50 billion in lost medical expenses and <missing lost>
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Re: Migraine, the most debilitating common form of headache, [#permalink] New post 04 Feb 2013, 06:01
(A) year, and they cost the nation $50 billion in medical expenses and lost
", and they" makes the construction awkwrd. If they refers to the Americans then there is no need for the comma... Also, "they" should not be used... Look at the structure: "...afflicts blah blah Americans, who lose blah blah in a year and [they] cost.." NOT PARALLEL..

(B) year and thus cost the nation $50 billion in medical expenses and lost
CORRECT. "who collectivelu lose blah blah and thus cost the nation blah blah" simply modifies Americans

(C) year, so as to cost the nation $50 billion in medical expenses and lost
"Migraine afflicts a number of Americans, who are blah blah in a year, so as to cost the nation..." changes the meaning by making the cost look intentional...

(D) year that costs the nation $50 billion in lost medical expenses and
misplaced modifier by touch-rule

(E) year, which thus cost the nation $50 billion in lost medical expenses and
"who collectively lose 64 million workdays a year, which costs..." is OUT because of misplaced modifier.

Answer: B
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Re: Migraine, the most debilitating common form of headache,   [#permalink] 04 Feb 2013, 06:01
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