If the first half of the following series is reversed, then which item is 2th to the right of the 16th item from the right side? The series is:

U 6 % $ H 9 K Y G Q C + X V B P L 3 D M

1)  L  
2)  % 
3)  B
4)  H

The letters skipped in between the adjacent letters in the series are followed by equal space. Which of the following series follow this rule ?
(1) CFHLO
(2) CFILO
(3) DEILP
(4) DFILP

Which letter will be the 4th from right if 1st and 2nd, 3rd and 4th and so on are interchanged in the word ELECTRIFIERS?

1) E  
2) I
3) T
4) S