RRB RPF RPSF SI and CONS Model Papers 2 with solutions

(d) Divide the word into two halves. Now, reverse the order of the letters of the first half and replace odd positioned letters with one letter forward and even positioned letter with one letter backward as in English alphabet.
For the second half letters, the odd-positioned letters are coded as one letter forward and even-positioned letters are coded as one letter backward’as in English alphabet.