Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
Which letter should be fourth to the left of the twelfth letter from the right if the second half of the given alphabet is reversed?

Which letter will be sixth to the right of the third letter from the left of the letter which is exactly in the middle of the letters in the series given below?
$A, B, C, D, E, Z, Y, X, W, V, Q, R, S, T, U, F, G, H, I, J, K, L, M, N, O, P, A$

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

If each alternate letter beginning with the first in the word $WORKING$ is replaced by the next letter in the English alphabet and each of the remaining letters is replaced by the previous letter in the English alphabet,which of the following will be the fourth from the right end after the replacement?

From the word $ASTOUNDER$, how many independent words can be made without changing the order of the letters and using each letter only once?

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