If the first, fourth, tenth and eleventh letters of the word “EFFRVESCENT” are combined to form a meaningful word starting with only R, then what will be the third letter from the right end of the word formed? If more than one such word can be formed, mark the answer as X and if no such word can be formed, mark the answer as Y.

This question is based on the following words.
LOVE PEEK TRUE OVER
If each first letter of the above words is replaced with its next letter in the English alphabetical order, which of the following will make meaningful word(s) ?

Find the word which can be formed by using the letters of the given word: CONSTABLE

If the third, fourth, seventh and eleventh letters of the word “ABBREVIATION” are combined to form a meaningful word, what will be the second letter from the right end of the word formed? If more than one such word can be formed, mark the answer as X and if no such word can be formed, mark the answer as Y.