If the first and second letters in the word $MISFORTUNE$ were interchanged,also the third and the fourth letters,the fifth and the sixth letters and so on,which letter would then be the eighth letter counting to your left?

Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
If the above alphabets were written in the reverse order,which will be the fifth letter to the left of the ninth letter from the right?

How many such pairs of letters are there in the word $DOCUMENT$,each of which has as many letters between them in the word as in the English alphabet?

Find which one word cannot be made from the letters of the given word: $DISSEMINATION$.

If a meaningful word can be formed by rearranging the letters $USCALA$,the first letter of the word so formed is the answer. If no such word can be formed,the answer is $X$.

How many such pairs of letters are there in the word $CONSTABLE$,each of which has as many letters between them in the word as in the English alphabet?