How do u solve this

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How do u solve this

by [email protected] » Thu Mar 28, 2013 5:55 am
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 7 whose tenths digit is odd is rounded
down to the nearest integer; E is the sum of the
resulting integers. If Aof the decimals in 7have a
tenths digit that is even, which of the following is a
possible value of E - S ?
1. -16
II. 6 '"¢"
III. 10
(A) 1only
(B) 1and II only
(0 1and III only
(D) II and III only
(E) 1, II, and III
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by Anju@Gurome » Thu Mar 28, 2013 5:57 am
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Backup Methods : General guide on plugging, estimation etc.
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by [email protected] » Thu Mar 28, 2013 6:17 am
Still can understand, kindly explain once again