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Which of the following most logically completes the

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Which of the following most logically completes the [#permalink]

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Official Guide for GMAT Verbal Review, 2nd Edition

Practice Question
Question No.: 37
Page: 130
Difficulty:


Which of the following most logically completes the argument?
Although the pesticide TDX has been widely used by fruit growers since the early 1960’s, a regulation in force since 1960 has prohibited sale of fruit on which any TDX residue can be detected. That regulation is about to be replaced by one that allows sale of fruit on which trace amounts of TDX residue are detected. In fact, however, the change will not allow more TDX on fruit than was allowed in the 1960’s, because ______.

A. pre-1970 techniques for detecting TDX residue could detect it only when it was present on fruit in more than the trace amounts allowed by the new regulations
B. many more people today than in the 1960’s habitually purchase and eat fruit without making an effort to clean residues off the fruit
C. people today do not individually consume any more pieces of fruit, on average, than did the people in the 1960’s
D. at least a small fraction of the fruit sold each year since the early 1960’s has had on it greater levels of TDX than the regulation allows
E. the presence of TDX on fruit in greater than trace amounts has not been shown to cause any harm even to children who eat large amounts of fruit
[Reveal] Spoiler: OA

Last edited by Narenn on 17 Oct 2013, 03:10, edited 3 times in total.
verbal OG Project

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Re: TDX Pesticide [#permalink]

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New post 13 Oct 2009, 13:11
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If the previous method to detect TDX was not accurate enough to detect it unless the level was say > 1%, then fruits with TDX qty of <=1% would have been sold anyway. If the new regulation allows up to 1% residue and if the new measurement techniques are accurate, then you will screen out fruits >1%, which is the same as it was in the 1960's.

Thats my reasoning ..

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Re: TDX Pesticide [#permalink]

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New post 13 Oct 2009, 13:19
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Down to A and D - D seems like the trick answer as it refers only to a fraction of the fruit

Will go with A
Not allow more TDX than before because the fruit with the trace amounts of TDX was being sold anyway.

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Re: TDX Pesticide [#permalink]

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New post 13 Oct 2009, 19:57
A looks the best.

However, the only problem with A is: Premise says that 'any' TDX residue was not allowed and A says that there was some TDX which went undetected. On a second thought, it is possible to have both these facts true by having the reasoning in A, that 'any (undetected) TDX residue was not allowed'

Would go with A, OA?

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Although the pesticide TDX has been widely used by fruit [#permalink]

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Although the pesticide TDX has been widely used by fruit growers since the early 1960’s, a regulation in force since 1960 has prohibited sale of fruit on which any TDX residue can be detected. That regulation is about to be replaced by one that allows sale of fruit on which trace amounts of TDX residue are detected. In fact, however, the change will not allow more TDX on fruit than was allowed in the 1960’s, because ______.

A. pre-1970 techniques for detecting TDX residue could detect it only when it was present on fruit in more than the trace amounts allowed by the new regulations

B. many more people today than in the 1960’s habitually purchase and eat fruit without making an effort to clean residues off the fruit

C. people today do not individually consume any more pieces of fruit, on average, than did the people in the 1960’s

D. at least a small fraction of the fruit sold each year since the early 1960’s has had on it greater levels of TDX than the regulation allows

E. the presence of TDX on fruit in greater than trace amounts has not been shown to cause any harm even to children who eat large amounts of fruit

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Re: Pesticide TDX [#permalink]

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New post 03 Oct 2010, 10:38
Option A seems the only plausible choice here.

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Re: Pesticide TDX [#permalink]

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New post 03 Oct 2010, 11:08
A for me. It explains the fact why the content of TDX would not increase.
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Re: Pesticide TDX [#permalink]

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New post 04 Oct 2010, 06:12
oa please

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Re: Pesticide TDX [#permalink]

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New post 04 Oct 2010, 06:48
I pick A,
please provide us with OA

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Re: Pesticide TDX [#permalink]

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New post 04 Oct 2010, 06:52
A

Regulation is relaxed now but still the change will not allow more TDX on fruit than was allowed in the 1960’s ==> reason the detecting technique is better now
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Re: Pesticide TDX [#permalink]

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New post 04 Oct 2010, 18:04
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Straight A for me. Looks like POE method would suffice for this question.
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Re: Although the pesticide TDX has been widely used by fruit [#permalink]

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New post 26 Nov 2011, 04:19
A
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Re: Although the pesticide TDX has been widely used by fruit [#permalink]

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New post 26 Nov 2011, 09:06
Clearly A

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Re: Although the pesticide TDX has been widely used by fruit [#permalink]

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New post 08 Jan 2012, 22:43
A as detecting techniques will fail if the TDX amount is varied from the earlier amounts.

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Re: Although the pesticide TDX has been widely used by fruit [#permalink]

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New post 09 Jan 2012, 09:47
+1A

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Re: Although the pesticide TDX has been widely used by fruit [#permalink]

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New post 09 Jan 2012, 20:49
+1A
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Re: Although the pesticide TDX has been widely used by fruit [#permalink]

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New post 09 Jan 2012, 22:24
+1 for A

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Re: Although the pesticide TDX has been widely used by fruit [#permalink]

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New post 10 Jan 2012, 01:30
+1 for A.

OA ?
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Re: Which of the following most logically completes the [#permalink]

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New post 21 Jan 2012, 03:40
B, C, D --> Irrelevant
E --> Weakens the argument
A is the only that supports.
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Re: Which of the following most logically completes the [#permalink]

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New post 21 Jan 2012, 03:55
confused between A and D, but A is more relevant. so my reason is A
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Re: Which of the following most logically completes the   [#permalink] 21 Jan 2012, 03:55

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