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 letter is seventh to the right of the eighteenth letter from the right end of the alphabet?

If it is possible to make a meaningful word with the second,the fifth and the eighth letters of the word $CARETAKER$,which of the following will be the first letter of that word? If no such word can be made,give $X$ as the answer. If more than one such word can be made,give $M$ as the answer.

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

If the first and second letters in the word $DEPRESSION$ were interchanged,also the third and the fourth letters,the fifth and the sixth letters and so on,which of the following would be the seventh letter from the right?

Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence.
$1.$ Intrinsic $2.$ Intrude $3.$ Intricate $4.$ Introvert $5.$ Intrigue $6.$ Introduce

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 given sequence of letters is written in a reverse order,which of the following will be the seventh letter to the left of the eighth letter from your right?