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

If it is possible to form a word with the first,fourth,seventh and eleventh letters in the word $SUPERFLUOUS$,write the first letter of that word. Otherwise,$X$ is the answer.

How many pairs of letters are there in the word $SHIFTED$ each of which has as many letters between its two letters as there are between them in the English alphabet?

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 $J?$

If the positions of the first and the sixth letters in the word $DISTRIBUTE$ are interchanged; similarly the positions of the second and the seventh,the third and the eighth and so on,which of the following letters will be the fifth from left after interchanging the positions?

$A$ group of letters is given which are numbered $1, 2, 3, 4, 5$ and $6$. Below are given four alternatives containing combinations of these numbers. Select the combination of numbers so that the letters arranged accordingly form a meaningful word.
$I, N, E, T, O, C$
$1, 2, 3, 4, 5, 6$