Arrange the given words in alphabetical order and choose the one that comes in the second place: Window,Marriage,Widow,Distress.

$A$ 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.
$A, C, P, E, T, S$
$1, 2, 3, 4, 5, 6$

Study the letter series given below and answer the questions that follow:
$H, D, Y, S, M, W, N, B, Q, P, O, C, R, T, B, L, Z, V, E, G, U, F$
Which two neighbours in the given arrangement are farthest in the alphabetical order?

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?

If we make a meaningful word with the first,fourth,ninth and fourteenth letters of the word $ADMINISTRATION$,which of the following will be the third letter of that word from the right end of that word?

If in the word $CERTIFICATE$,the first and the seventh letters are interchanged,similarly the second and the eighth letters are interchanged and so on up to the fifth and eleventh letters are interchanged,then which letter will be third to the right of sixth from the right end?