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List T consists of 30 positive decimals, none of which is an integer

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Intern
Joined: 28 Aug 2016
Posts: 14
List T consists of 30 positive decimals, none of which is an integer  [#permalink]

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27 Jul 2017, 12:46
2
00:00

Difficulty:

65% (hard)

Question Stats:

38% (01:11) correct 63% (03:29) wrong based on 8 sessions

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List T consists of 30 positive decimals, none of which is an integer, and the sum of the 30 decimals is S. The estimated sum of the 30 decimals, E, is defined as follows. Each decimal in T whose tenths digit is even is rounded up to the nearest integer, and each decimal in T whose tenths digit is odd is rounded down to the nearest integer; E is the sum of the resulting integers. If of the decimals in T have a tenths digit that is even, which of the following is a possible value of E – S ?

I. –16
II. 6
III. 10

(A) I only
(B) I and II only
(C) I and III only
(D) II and III only
(E) I, II, and III

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Math Expert
Joined: 02 Sep 2009
Posts: 55148
Re: List T consists of 30 positive decimals, none of which is an integer  [#permalink]

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27 Jul 2017, 20:55
pashabhai wrote:
List T consists of 30 positive decimals, none of which is an integer, and the sum of the 30 decimals is S. The estimated sum of the 30 decimals, E, is defined as follows. Each decimal in T whose tenths digit is even is rounded up to the nearest integer, and each decimal in T whose tenths digit is odd is rounded down to the nearest integer; E is the sum of the resulting integers. If of the decimals in T have a tenths digit that is even, which of the following is a possible value of E – S ?

I. –16
II. 6
III. 10

(A) I only
(B) I and II only
(C) I and III only
(D) II and III only
(E) I, II, and III

Discussed here: list-t-consist-of-30-positive-decimals-none-of-which-is-an-131755.html In case of questions please post in that post. Thank you.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: List T consists of 30 positive decimals, none of which is an integer   [#permalink] 27 Jul 2017, 20:55
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