In the word TECHNOLOGY, replace all the letters before N in the English alphabet (including N) with their succeeding alphabet, and the remaining letters with their preceding alphabet. Then arrange the resulting letters alphabetically. Which letter comes fifth from the right end in this new arrangement?

All the individual letters in the word PICKLED are arranged in alphabetical order. How many letters are there in the English alphabetical order between the letter which is second from the left and the one which is fourth from the right in the new letter cluster thus formed?

The position(s) of how many letters will remain unchanged if each letter in the word EDUCATORS is arranged in English alphabetical order?