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# There has been a 30- to 40-fold increase in the incidence of

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Manager
Joined: 14 Feb 2012
Posts: 226

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There has been a 30- to 40-fold increase in the incidence of [#permalink]

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22 Apr 2012, 06:45
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Difficulty:

35% (medium)

Question Stats:

74% (00:36) correct 26% (01:05) wrong based on 84 sessions

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There has been a 30- to 40-fold increase in the incidence of malaria caused by increasing mosquito resistance against pesticides.
(A) increase in the incidence of malaria caused by increasing mosquito resistance against
(B) increase in the incidence of malaria because of increasing resistance of mosquitoes to
(C) increasing malaria incidence because of increasing resistance of mosquitoes to
(D) incidence of malaria increase caused by increasing mosquito resistance against
(E) incidence of malaria increase because of increased mosquito resistance to
[Reveal] Spoiler: OA

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Last edited by fameatop on 15 Sep 2013, 23:24, edited 1 time in total.

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Manager
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Re: There has been a 30- to 40-fold increase [#permalink]

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22 Apr 2012, 06:46
Between A and B
i marked a because of the correct idiom resistance against...???
is that not rigth ??
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Senior Manager
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Location: Kuwait
Schools: Sloan '16 (M)
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Re: There has been a 30- to 40-fold increase [#permalink]

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23 Apr 2012, 07:42
I would go with A, "incidence of malaria caused by" and "resistance against"

OA?

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Magoosh GMAT Instructor
Joined: 28 Nov 2011
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Re: There has been a 30- to 40-fold increase [#permalink]

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23 Apr 2012, 10:37
853. There has been a 30- to 40-fold increase in the incidence of malaria caused by increasing mosquito resistance against pesticides.

(A) increase in the incidence of malaria caused by increasing mosquito resistance against
(B) increase in the incidence of malaria because of increasing resistance of mosquitoes to ANSWER
(C) increasing malaria incidence because of increasing resistance of mosquitoes to
(D) incidence of malaria increase caused by increasing mosquito resistance against
(E) incidence of malaria increase because of increased mosquito resistance to

A quick way to eliminate is based on the idiom 'resistance to.'

That leaves us with (B), (C), and (E). (E) is redundant, 'increase...increase'. You have a 30 - to 40-fold 'increase in' not 'increasing' so we can get rid of (C). That leaves us with (B).
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Re: There has been a 30- to 40-fold increase [#permalink]

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23 Apr 2012, 11:07
Malaria cannot be caused by resistance of mosquito. However resistance of mosquito can be one of the reason why incidence of malaria is increasing. Hence B

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Intern
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Re: There has been a 30- to 40-fold increase [#permalink]

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23 Apr 2012, 11:36
C, D, E are awkward.

Between A and B, IMO the answer is B.

Reason:
A: "resistance against pesticides" is ambiguous, and hurts the meaning of the sentence.
B: "resistance ...to pesticides" is more clear.

Thanks,

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Re: There has been a 30- to 40-fold increase   [#permalink] 23 Apr 2012, 11:36
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