Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
Which alphabet comes immediately before the sixth alphabet from the left extreme of the given alphabets?

Which of the following series observes the rule,"Skip in between adjacent letters,increasing one letter more each time to build a set of letters"?

How many pairs of letters in the word $CATASTROPHE$ have as many letters between them in the word as in the alphabet?

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

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