How many pairs of letters are there in the word $NECESSARY$ which have as many letters between them in the word as there are between them in the alphabet and in the same order?

Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
In the given alphabet,starting from the fifth letter from the left,if twelve letters are written in reverse order,then which letter will be the seventh to the left of the fourteenth letter from the right?

If all the letters in the word $ARGUMENT$ are rearranged in alphabetical order and substituted by the letter immediately following it in the English alphabet,what will be the new arrangement of letters?

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 alphabet is divided into two equal halves $-$ from $A$ to $M$ and $N$ to $Z,$ which letter in the latter half would correspond to the letter $J?$

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

How many three-letter meaningful English words can be formed from the letters of the word $NOTE$ that begin with $T$ and without repeating any letter within the word?