In the following alphabet series,which letter is eighth to the left of the sixteenth letter from the right end?
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$

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

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

If it is possible to make a meaningful word from the second,the third,the tenth,and the eleventh letters of the word $PASSIONATELY$ using each letter only once,the second letter of that word is your answer. If no such word can be formed,your answer is $X$,and if more than one word can be formed,your answer is $Y$.

How many letters in the word $CLIENT$ remain in the same position when the letters are arranged in alphabetical order?

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?