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MGMAT Verbal

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MGMAT Verbal [#permalink] New post 20 Oct 2007, 17:07
I just finished the MGMAT online sentence correction module and unless I am missing something I believe that some of their answers contradict their rules they teach.

For instance:

The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.


A - have become an ongoing threat due to drought and booming population density, have increased
B - have become an ongoing threat due to drought and booming population density, have been increasing
C - has become an ongoing threat because of drought and booming population density, has increased
D - have become an ongoing threat due to drought and booming population density, has increased
E - have become an ongoing threat because of drought and booming population density, has increased


According to the rules for "number of" are:

"The number of" always takes a singular verb
"A number of" always takes a plural verb

If this is true than how can the above question have an answer with a plural verb.

Am I missing something here or do they have a trend in contradicting themselves in their practice questions?
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Re: MGMAT Verbal [#permalink] New post 20 Oct 2007, 17:09
JDMBA wrote:
I just finished the MGMAT online sentence correction module and unless I am missing something I believe that some of their answers contradict their rules they teach.

For instance:

The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.


A - have become an ongoing threat due to drought and booming population density, have increased
B - have become an ongoing threat due to drought and booming population density, have been increasing
C - has become an ongoing threat because of drought and booming population density, has increased
D - have become an ongoing threat due to drought and booming population density, has increased
E - have become an ongoing threat because of drought and booming population density, has increased


According to the rules for "number of" are:

"The number of" always takes a singular verb
"A number of" always takes a plural verb

If this is true than how can the above question have an answer with a plural verb.

Am I missing something here or do they have a trend in contradicting themselves in their practice questions?


the number of.. is singular
"which" does not refer back to "the number of" but it refers back to wildfires (plural so "have become" is correct)

so i had it narrowed down to D or E.
hard pick is the answer E???
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 [#permalink] New post 20 Oct 2007, 17:17
simple E
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 [#permalink] New post 20 Oct 2007, 17:20
I hate SC!!!! Its going to be the epitomy of my GMAT score.
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 [#permalink] New post 20 Oct 2007, 17:22
so have agrees with wildfires and has agrees with the number of.
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 [#permalink] New post 20 Oct 2007, 17:34
JDMBA wrote:
so have agrees with wildfires and has agrees with the number of.


:) yes! just remember that "which" is a non-essential / non-restrictive clause (can be taken out and sentence would still make sense)

The number of acres destroyed by wildfires, which have become an ongoing threat because of drought and booming population density, has increased dramatically over the past several years, prompting major concern among local politicians.
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 [#permalink] New post 20 Oct 2007, 19:01
JDMBA wrote:
I hate SC!!!! Its going to be the epitomy of my GMAT score.


Rome wasn't built in a day my friend - practice hard...don't lose heart.
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 [#permalink] New post 21 Oct 2007, 09:02
How to differentiate between (D) and (E), i.e. "due to" and "Because of"?

Thanks
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 [#permalink] New post 21 Oct 2007, 17:15
sujitmgmat wrote:
How to differentiate between (D) and (E), i.e. "due to" and "Because of"?

Thanks


"because of" is preferred over "due to" in gmat
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Re: MGMAT Verbal [#permalink] New post 21 Oct 2007, 17:26
JDMBA wrote:
I just finished the MGMAT online sentence correction module and unless I am missing something I believe that some of their answers contradict their rules they teach.

For instance:

The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.


A - have become an ongoing threat due to drought and booming population density, have increased
B - have become an ongoing threat due to drought and booming population density, have been increasing
C - has become an ongoing threat because of drought and booming population density, has increased
D - have become an ongoing threat due to drought and booming population density, has increased
E - have become an ongoing threat because of drought and booming population density, has increased


According to the rules for "number of" are:

"The number of" always takes a singular verb
"A number of" always takes a plural verb

If this is true than how can the above question have an answer with a plural verb.

Am I missing something here or do they have a trend in contradicting themselves in their practice questions?


Will go for 'E'
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 [#permalink] New post 23 Oct 2007, 04:34
E , it is

have become an ongoing threat because of drought and booming population density, has increased


have(wildfires), has( the number of acers)
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 [#permalink] New post 23 Oct 2007, 08:55
Simple E

have agrees with wildfires and Has with acres

narrow it down to D and E.

Both are great but the correct answer is E. Gmat perfers because over Due To.
  [#permalink] 23 Oct 2007, 08:55
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