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

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?
$A, B, C, D, E, Z, Y, X, W, V, Q, R, S, T, U, F, G, H, I, J, K, L, M, N, O, P, A$

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

Select the combination of numbers so that letters arranged accordingly will form a meaningful word.
$R\;A\;C\;E\;T$
$1\;\;2\;\;3\;\;4\;\;5$

Arrange the given words in alphabetical order and choose the one that comes first.
Intense,Intellect,Intelligent,Intend,Integument

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