According to a study published by Dr. Myrna Weissman, only : GMAT Sentence Correction (SC)
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11 Jul 2009, 20:02
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41. According to a study published by Dr. Myrna Weissman, only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four.

(A) only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four

(B) only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four

(C) of Americans born before 1905, only one percent of them have suffered major depression by age seventy-five, but six percent of those born since 1955 do by the age of twenty-four

(D) major depression is suffered by the age of seventy-five by only one percent of Americans born before 1905, and by age twenty-four by the six percent born since 1955

(E) Americans born before 1905 suffer major depression by the age of seventy-five only one percent of the time, but six percent of those born since 1955 did so by age twenty-four
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11 Jul 2009, 20:42
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in E, first part says "suffer", second part says "did so". Tense is not matching.

A is correct, had is required because we r talking about 2 events (depression and age of 75) of which, one had occurred before another.
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12 Jul 2009, 12:14
Maulikgmat wrote:
41. According to a study published by Dr. Myrna Weissman, only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four.(A) only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four
(B) only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four
(C) of Americans born before 1905, only one percent of them have suffered major depression by age seventy-five, but six percent of those born since 1955 do by the age of twenty-four
(D) major depression is suffered by the age of seventy-five by only one percent of Americans born before 1905, and by age twenty-four by the six percent born since 1955
(E) Americans born before 1905 suffer major depression by the age of seventy-five only one percent of the time, but six percent of those born since 1955 did so by age twenty-four
Plz clarify between A, B and E....
E seems to be appropriate....????..
In A had is required or not????

study 'published' ... 'had suffered depression'

A
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13 Jul 2009, 19:41
41. According to a study published by Dr. Myrna Weissman, only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four.
(A) only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four
(B) only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four
(C) of Americans born before 1905, only one percent of them have suffered major depression by age seventy-five, but six percent of those born since 1955 do by the age of twenty-four
(D) major depression is suffered by the age of seventy-five by only one percent of Americans born before 1905, and by age twenty-four by the six percent born since 1955
(E) Americans born before 1905 suffer major depression by the age of seventy-five only one percent of the time, but six percent of those born since 1955 did so by age twenty-four

Couldn't figure out but am guessing A/C
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13 Jul 2009, 20:54
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rashminet84 wrote:
in E, first part says "suffer", second part says "did so". Tense is not matching.

A is correct, had is required because we r talking about 2 events (depression and age of 75) of which, one had occurred before another.

In "A", "by the age of seventy five" & "by age twenty four" are not parallel.

What do you say guys?? I ignored "A" only because of this reason. "the" was missing in "by age twenty four" ?????
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14 Jul 2009, 04:08
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"by the age of seventy five" & "by age twenty four" - more than word per word, the logical structure should be parallel. "by the age of seventy five" and "by age twenty four" are both nouns and hence missing a "the" shouldn't be an issue. For example you can compare a "mice" to "lions and tigers" which would still be correct in a sentence:

Like mice, lions and tigers are extremely hard working animals.
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15 Jul 2009, 07:44
OA is A....
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20 Jul 2009, 14:15
rashminet84 wrote:
in E, first part says "suffer", second part says "did so". Tense is not matching.

A is correct, had is required because we r talking about 2 events (depression and age of 75) of which, one had occurred before another.

what are two events? is it 1. getting depressed and 2. reaching the age of 75? Can you please clarify?
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20 Jul 2009, 14:21
acer2knight wrote:
rashminet84 wrote:
in E, first part says "suffer", second part says "did so". Tense is not matching.

A is correct, had is required because we r talking about 2 events (depression and age of 75) of which, one had occurred before another.

what are two events? is it 1. getting depressed and 2. reaching the age of 75? Can you please clarify?

Make it simpler, in E the phrase one percent of the time changes the original meaning of the sentence, That's why E is incorrect.
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05 Feb 2010, 13:25
very confusing but A is certainly better
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14 Feb 2010, 02:02
"A" wins.

published... and suffered : parallel verb form.
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15 Feb 2010, 02:36
But how is it A????

Shudnt the clauses before and after semi-colon be able to stand on their own? here in the clause after the semi-colon there seems to be a mistake???
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28 Apr 2010, 13:35
"Shudnt the clauses before and after semi-colon be able to stand on their own? here in the clause after the semi-colon there seems to be a mistake???"

- exactly why I eliminated A. Anyone care to explain?
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28 Apr 2010, 22:54
can we start a semicolon setence with an if ?
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22 Jul 2010, 07:35
In E, we are talking about one percent of the time, which is not appropriate. We need to take percentage of the total number of Americans.
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09 Aug 2010, 16:56
I see no body selecting B. Am I missing something very obvious here? Moreover as per Manhattan GMAT a clause after semi-colon be able to stand on its own. So how can A be the correct answer.
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17 Sep 2010, 10:08
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noboru wrote:
arundas wrote:
I see no body selecting B. Am I missing something very obvious here? Moreover as per Manhattan GMAT a clause after semi-colon be able to stand on its own. So how can A be the correct answer.

could anybody clarify this?

(A) only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four

The bolded portion is a clause that is related to the clause before semi colon.

For semi colon it is not necessary to explain the previous clause but if they are related there is no harm.
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18 Sep 2010, 03:31
gurpreetsingh wrote:
noboru wrote:
arundas wrote:
I see no body selecting B. Am I missing something very obvious here? Moreover as per Manhattan GMAT a clause after semi-colon be able to stand on its own. So how can A be the correct answer.

could anybody clarify this?

(A) only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four

The bolded portion is a clause that is related to the clause before semi colon.

For semi colon it is not necessary to explain the previous clause but if they are related there is no harm.

But the second part does not stand by itself...
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18 Sep 2010, 04:40
is there an official answer to this?
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23 Dec 2010, 11:45
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@aman :

of those born since 1955, six percent had become depressed by age twenty-four .

This is a complete sentence and should be able to stand independently. A is the correct option.

Initially , I thought it was C but the latter part of the sentence is awkward with parallelism being violated .

(C) of Americans born before 1905, only one percent of them have suffered major depression by age seventy-five, but six percent of those born since 1955 do by the age of twenty-four
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Re: SC 41/1000   [#permalink] 23 Dec 2010, 11:45

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