I found the following piece of information on one of : GMAT Sentence Correction (SC)
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# I found the following piece of information on one of

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I found the following piece of information on one of [#permalink]

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18 Sep 2010, 02:27
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I found the following piece of information on one of ManhattanGMAT forums. It was posted by Ron Purewal in response to a query. I am posting it here because I thought it might be helpful.

There are three main reasons for the use of dashes (--)
1) dashes can be used in the place of commas, to express some degree of surprise or irony at the content of the modifier that is being set off.

examples:
John, who is from las vegas, complained that winters in san francisco were cold.
There is no degree of surprise or iron into this modifier, so it is set off with commas as usual.

John -- who is from alaska -- complained that winters in san francisco were cold.
This modifier has a great deal of irony/surprise (for readers from other countries, alaska is much, much colder than san francisco). Therefore, the modifier is set off with dashes, because its content is ironic or unexpected.

(2) dashes may also be used as a substitute for commas to set off a modifier that NAMES people or things, especially if there is a LIST of such people/things.

example:
Three of the players -- john, joe, and sammy -- and their wives were absent from the team banquet.
In this sentence, it's actually imperative that we use the dashes, since the sentence would be ambiguous if you just used commas:
Three of the players, john, joe, and sammy, and their wives were absent from the team banquet.
There are two possible meanings for this version: (a) three unnamed players, john, joe, sammy, and all six of their wives; or (b) the above intended meaning.

3) dashes can be used to replace colons.
As far as i know, a dash can be used in essentially any context in which one would normally use a colon.
I believe that this would normally be done when there is an element of irony or surprise, or perhaps emphasis (much as in example #1 above).
If you have any questions
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Re: Use of dashes (--) [#permalink]

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18 Sep 2010, 02:34
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Try these out...

Each of the fallen soldiers – Henry Johnson, Paul Rider, Brent Hall and Bob McCay - were hard workers, very different from the soldiers that remained to guard the hospital.

A. Each of the fallen soldiers – Henry Johnson, Paul Rider, Brent Hall and Bob McCay - were hard workers
B. Henry Johnson, Paul Rider, Brent Hall and Bob McCay - each of them fallen soldiers – were hard workers
C. The fallen soldiers – Henry Johnson, Paul Rider, Brent Hall and Bob McCay - were all hard workers
D. Hard workers - Henry Johnson, Paul Rider, Brent Hall and Bob McCay - each a fallen soldier
E. Hard workers - Henry Johnson, Paul Rider, Brent Hall and Bob McCay - every one a fallen soldier

Each of Hemingway's wives--Hadley Richardson. Pauline Pfeiffer. Martha Gelhom. and Mary Welsh --were strong and interesting women, very different from the often pallid women who populate his novels.

(A) Each of Hemingway's wives--Hadley Richardson, Pauline Pfeiffer, Martha Gelhom, and Mary Welsh--were strong and interesting women,
(B) Hadley Richardson, Pauline Pfeiffer, Martha Gelhorn, and Mary Welsh--each of them Hemingway's wives--were strong and, interesting women,
(C) Hemingway's wives--Hadley Richardson, Pauline Pfeiffer, Martha Gelhom, and Mary Welsh--were all strong and interesting women,
(D) Strong and interesting women—Hadley Richardson, Pauline Pfeiffer, Martha Gelhom, and Mary Welsh--each a wife of Hemingway, was
(E) Strong and interesting women—Hadley Richardson, Pauline Pfeiffer, Martha Gelhom, and Mary Welsh--every one of Hemingway's wives were
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Re: Use of dashes (--) [#permalink]

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18 Sep 2010, 03:50
1. c

2. c

Reason.

Each of X .... Singular verb.

The fallen soldiers ........ Plural.
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Re: Use of dashes (--) [#permalink]

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18 Sep 2010, 03:56
Yes, both answers are C as said by gurpreetsingh. "Each of X" is singular!
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Re: Use of dashes (--) [#permalink]

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19 Sep 2010, 09:55
The answer is indeed C for both the questions...
Re: Use of dashes (--)   [#permalink] 19 Sep 2010, 09:55
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