Following types of questions could be asked :
1. The letters of a given word will be reversed in particular manner as given in the question and then question will be asked on the position.
If the first and the fifth letters in the word ORDINARY are interchanged, the second and the sixth, the third and the seventh and so on, what will be the fifth letter from the right end after rearrangement ?
Here, after rearranging, ORDINARY –> NARYORDI. Fifth letter from the right end is Y.
2. The alphabetic series will be modified by interchanging letters as per the rule mentioned in the question.Then question will be asked based on position in this modified sequence.
If in the alphabet series the first and the second letters interchange their positions and similarly the third and the fourth letters, the fifth and the sixth letters and so on, which letter will be the 17th from the right ?
Here, the alphabetic series will change to:
B A D C F E H G J I L K N M P O R Q T S V U X W Z Y
Here, the 17th letter from the right will be I.