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

$A$ 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.
$R, T, E, O, D, P$
$1, 2, 3, 4, 5, 6$

If it is possible to make a meaningful word with the second,the sixth,the ninth and the twelfth letters of the word $CONTRIBUTION$,which of the following will be the last letter of that word? If more than one such words can be made,give $M$ as the answer and if no such word is there,give $X$ as the answer.

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

Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence.
$1.$ Select $\,2.$ Seldom $\,3.$ Send $\,4.$ Selfish $\,5.$ Seller

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?