Arrange the letter of the word 'PERIPHERAL' in alphabetic order and then interchange the letters at first and second, third and fourth and so on. Now replace the letter at odd place with the previous letter in alphabetic series and letter at even place with the next letter in the alphabetic series. After this arrangement which letter will be at the sixth position from the right end? 

Arrange the letter of the word 'PERIPHERAL' in alphabetic order and then interchange the letters at first and second, third and fourth and so on. Now replace the letter at odd place with the previous letter in alphabetic series and letter at even place with the next letter in the alphabetic series. After this arrangement which letter will be at the sixth position from the right end?  Correct Answer K

Hence, the sixth letter from the right end is K. 

*Note: Whenever we have to get the previous letter of A,  it will always be Z. Similarly, the next letter of Z will always be A.

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