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Police Chasers - Not only dangerous, but also because?

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Police Chasers - Not only dangerous, but also because?

by sumanr84 » Fri Jun 04, 2010 2:55 am
Police chases are not dangerous because the high rate of speed at which they often occur has the potential to cause injury to participants and innocent bystanders, but also because they put police officers under high stress and subject them to extreme and sustained adrenaline rushes that may impair their judgment.

A. not dangerous because the high rate of speed at which they often occur

B. not dangerous because they occur at a high rate of speed which

C. not only dangerous because they occur at a high speed, which

D. not only dangerous because the high speed at which they often occur

E. dangerous because they occur at a high speed which
[spoiler]
Source : MGMAT
https://www.manhattangmat.com/forums/pol ... 10196.html
I would pick C. Since we can have "inverted" arrangement for "dangerous" without a change in meaning. So, we don't need -> "not only because....but also because", kind of construction. What I mean is option C could be re-written as "dangerous not only because they occur at a high speed, which...., but also because". D is wordy anyway. Any take..[/spoiler]
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by crackinggmat » Fri Jun 04, 2010 7:16 am
i am not fully satisfied with any option but the best seems to be C.....for the same reason as yours.
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by FightWithGMAT » Fri Jun 04, 2010 7:33 am
sumanr84 wrote:Police chases are not dangerous because the high rate of speed at which they often occur has the potential to cause injury to participants and innocent bystanders, but also because they put police officers under high stress and subject them to extreme and sustained adrenaline rushes that may impair their judgment.

A. not dangerous because the high rate of speed at which they often occur

B. not dangerous because they occur at a high rate of speed which

C. not only dangerous because they occur at a high speed, which

D. not only dangerous because the high speed at which they often occur

E. dangerous because they occur at a high speed which
[spoiler]
Source : MGMAT
https://www.manhattangmat.com/forums/pol ... 10196.html
I would pick C. Since we can have "inverted" arrangement for "dangerous" without a change in meaning. So, we don't need -> "not only because....but also because", kind of construction. What I mean is option C could be re-written as "dangerous not only because they occur at a high speed, which...., but also because". D is wordy anyway. Any take..[/spoiler]
I go for D. There are 2 reasons for that:

1. C changes intended meaning of the sentence. There is a difference in "occur" and "often occur".
2. "a high speed that" is required whereas "a high speed, which" does not make sense here.
see the sentence...if we remove non restrictive part "a high speed, which has potential to do something".....sentence would be illogical.

I hope that helps!!!
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by gmat_perfect » Fri Jun 04, 2010 8:16 am
sumanr84 wrote:Police chases are not dangerous because the high rate of speed at which they often occur has the potential to cause injury to participants and innocent bystanders, but also because they put police officers under high stress and subject them to extreme and sustained adrenaline rushes that may impair their judgment.

A. not dangerous because the high rate of speed at which they often occur

B. not dangerous because they occur at a high rate of speed which

C. not only dangerous because they occur at a high speed, which

D. not only dangerous because the high speed at which they often occur

E. dangerous because they occur at a high speed which
[spoiler]
Source : MGMAT
https://www.manhattangmat.com/forums/pol ... 10196.html
I would pick C. Since we can have "inverted" arrangement for "dangerous" without a change in meaning. So, we don't need -> "not only because....but also because", kind of construction. What I mean is option C could be re-written as "dangerous not only because they occur at a high speed, which...., but also because". D is wordy anyway. Any take..[/spoiler]
Some thoughts:

1. There is "but also" at the second part of the sentence, so we need "not only" at the beginning of the sentence:

=> This rules out A, B, and E.

2. which introduces non-essential clause, which can be ignored.

=> In C, the use of which seems correct, but the omission of "often" altered the meaning of the sentence.

3. Not only X, but also Y", where X and Y must be parallel:

=> "Not only dangerous (XX) because blah blah, but also (YY) because blah blah" should be the correct idiom. The option D misses the YY element to make the idiom parallel.

Conclusion:
In my opinion, neither C nor D is correct.

Experts are earnestly requested to solve the debate.
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by hardik.jadeja » Fri Jun 04, 2010 4:19 pm
IMO All options have some or the other problem. None of them is a clear winner. But C seems best among the worst because it maintains parallelism "not only dangerous because they..., but also because they..."
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by Shawshank » Sat Jun 05, 2010 3:54 am
IMO -- C

Someone mentioned that there is a diff between "occur" and "often occur".. can you put more light on this..
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by haveto » Sun Jun 06, 2010 4:47 pm
I vote for E.

Fist of all "but also" doesn't always ask for "not only".

When you say "..not only dangerous(adj).." then you need to make it parallel with "..but also adj.."

In this case, the non-underlined part says "..but also because.." so to introduce not only, we need to say "not only because..". But none of the choices have this option. C and D are making unidiomatic sentence so both are wrong.

In "A" and "B" - "high rate of speed" is wrong. "Rate" and "Speed" are redundant.

"E" is a clean choice for me. But I am not an expert so experts please - it's your turn :)
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by haveto » Sun Jun 06, 2010 6:51 pm
what's the source of this problem?
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by singhpreet1 » Sat Jun 12, 2010 9:28 am
haveto wrote:I vote for E.

Fist of all "but also" doesn't always ask for "not only".

When you say "..not only dangerous(adj).." then you need to make it parallel with "..but also adj.."

In this case, the non-underlined part says "..but also because.." so to introduce not only, we need to say "not only because..". But none of the choices have this option. C and D are making unidiomatic sentence so both are wrong.

In "A" and "B" - "high rate of speed" is wrong. "Rate" and "Speed" are redundant.

"E" is a clean choice for me. But I am not an expert so experts please - it's your turn :)
Hi Haveto: E is incorrect coz there is are 2 situations being discussed in tandem. the sentence is trying to identify that the police chases not only occur at a high speed, but also are a danger for the bystanders...so the inclusion of not only goes along with but also as a rule, you may mind that in the flashcards i assume, which is only in C and D, where C is a better fit. D has extra word usage "at which they often occur" which is already been used and explained in the sentence and is a pure repetition and avoidable.
though im open to more discussion and opinions if i got it wrong.

Thanks, Preet [/u]
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by outreach » Sat Jun 12, 2010 10:07 am
C because it is short and concise
D is wordy
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by missionGMAT007 » Sat Jun 12, 2010 10:08 pm
Initially i opted for D but later found that it is not parallel.
E seems ok but i am not sure.

What is the source of the question?
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by reply2spg » Sat Jul 10, 2010 11:13 am
I would go for C here.

In C 'which' is clearly modifying speed. Let's put option C in main sentence. Please post the OA

Police chases are not only dangerous because they occur at a high speed, which has the potential to cause injury to participants and innocent bystanders, but also because they put police officers under high stress and subject them to extreme and sustained adrenaline rushes that may impair their judgment.
sumanr84 wrote:Police chases are not dangerous because the high rate of speed at which they often occur has the potential to cause injury to participants and innocent bystanders, but also because they put police officers under high stress and subject them to extreme and sustained adrenaline rushes that may impair their judgment.

A. not dangerous because the high rate of speed at which they often occur - this doesn't go well, since we have 2 verb here (are and has)

B. not dangerous because they occur at a high rate of speed which - this is wordy. 'high rate of speed' can be changed to 'high speed'. Also though 'which' is modifying speed it is not in commas, while we have a comma after bystanders

C. not only dangerous because they occur at a high speed, which - This is correct

D. not only dangerous because the high speed at which they often occur - this is awkward. I can't explain this one, will wait on some expert to explain.

E. dangerous because they occur at a high speed which - [color=red4]same as B for 'which' rule.[/color]

[spoiler]
Source : MGMAT
https://www.manhattangmat.com/forums/pol ... 10196.html
I would pick C. Since we can have "inverted" arrangement for "dangerous" without a change in meaning. So, we don't need -> "not only because....but also because", kind of construction. What I mean is option C could be re-written as "dangerous not only because they occur at a high speed, which...., but also because". D is wordy anyway. Any take..[/spoiler]
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