If it is possible to make a meaningful English word from the 2nd, 4th, 8th, and 11th letters of the word 'SHORTCHANGED' from the left end, then what will be the second letter of the word so formed from the right end? If no such word can be formed, mark the answer as 'X', and if more than one word can be formed, mark the answer as 'Y'.

This question is based on the following words: LAD NOR NEB NOD How many letters are there between the second letter of the second word from the right and the second letter of the second word from the left, counted in English alphabetical order?

This question is based on the following words: RAW MEN AID FAY In each of the words, each vowel is changed to the letter immediately preceding it in the English alphabetical order and each consonant is changed to the letter immediately following it in the English alphabetical order. In how many letter-clusters thus formed will no vowel appear?