How many pairs of letters are there in the word $ADEQUATELY$ which have as many letters between them in the word as in the alphabet?

If in the word $STABLE$ all the consonants are replaced by the previous letter and all the vowels are replaced by the next letter,which letter will be third from the left end?

Arrange the given words in alphabetical order and choose the one that comes in the middle.

In the word $FLOURISH$,all the vowels are first arranged alphabetically and then all the consonants are arranged alphabetically. Then,all the vowels are replaced by the previous letter and all the consonants are replaced by the next letter from the English alphabet. Which letter will be third from the right end?

If it is possible to make a meaningful word out of the second,the fourth,the fifth and the eighth letters of the word $ILLOGICAL$,then which of the following will be the third letter of the so formed word? If more than one word can be formed,then give $X$ as the answer. If no meaningful word can be formed,then give $Z$ as the answer.

If it is possible to form a word with the first,fourth,seventh and eleventh letters in the word $SUPERFLUOUS$,write the first letter of that word. Otherwise,$X$ is the answer.