If it is possible to make only one meaningful word from the 2nd, 5th, 6th and 8th letters of the word “ROSEMARY” using each letter only once, then what is the fourth letter of the meaningful word from the left end? If no such meaningful word can be formed, the answer is “Y” and if more than one such meaningful word can be formed, the answer will be “Z”.

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.