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# Medical tests sometimes fail to detect the presence of a

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Manager
Joined: 04 Sep 2008
Posts: 238
Location: Kolkata
Schools: La Martiniere for Boys
Medical tests sometimes fail to detect the presence of a [#permalink]

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19 Mar 2009, 08:06
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Medical tests sometimes fail to detect the presence of a condition when it is there and indicate its presence when it is not.

(A) the presence of a condition when it is there and indicate its presence
(B) a condition when it is present and indicate that there is one
(C) when a condition is present and indicate that it is present
(D) a condition when it is present and indicate that it is present
(E) when a condition is present and indicate its presence

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rampuria

Director
Joined: 04 Jan 2008
Posts: 860

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19 Mar 2009, 08:29
Medical tests sometimes fail to detect the presence of a condition when it is there and indicate its presence when it is not.

(A) the presence of a condition when it is there and indicate its presence
(B) a condition when it is present and indicate that there is one
(C) when a condition is present and indicate that it is present
(D) a condition when it is present and indicate that it is present
(E) when a condition is present and indicate its presence
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Director
Joined: 04 Jan 2008
Posts: 860

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19 Mar 2009, 08:37
A it is

it has clear referent
it refers to condition everywhere in the original sentence

Also, A does not changes meaning
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Intern
Joined: 13 Mar 2008
Posts: 2

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13 Jul 2009, 05:06
I'd rather go for D
D respects parallelism and is clearer about the referent of "it" than A.
In A, it is not clear weather "it" refers to "the presence of a condition" or "a condition", whereas in D, there is no doubt that "a condition" is the referent.
OA?
Manager
Joined: 17 Apr 2009
Posts: 140

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13 Jul 2009, 05:34
Looks like B to me.What is the OA?
Manager
Joined: 07 Jul 2009
Posts: 208

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13 Jul 2009, 13:48
I would go with D.

Choice C and E out as "Fails to detect when" doesn't make sense.
Choice B inserts "there" which is not needed
Between A and D, A is wordy and has pronoun reference problem (it refers to what: presence or condition).

Left with D as the correct choice.
Director
Joined: 23 May 2008
Posts: 756

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13 Jul 2009, 14:18
i'd go for D too. too bad we'll never get the OA
Manager
Joined: 21 Jun 2009
Posts: 140

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13 Jul 2009, 15:59
Medical tests sometimes fail to detect the presence of a condition when it is there and indicate its presence when it is not.

(A) the presence of a condition when it is there and indicate its presence (too many it)
(B) a condition when it is present and indicate that there is one (best)
(C) when a condition is present and indicate that it is present (too many it)
(D) a condition when it is present and indicate that it is present (too many it)
(E) when a condition is present and indicate its presence (too many it)

Director
Joined: 05 Jun 2009
Posts: 723
WE 1: 7years (Financial Services - Consultant, BA)

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14 Jul 2009, 10:20
OA is D as per below:

http://gmatclub.com/forum/medical-test- ... ml#p603994

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Re: SC Medical tests   [#permalink] 14 Jul 2009, 10:20
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