How many $T$'s are there in the following sequence which are immediately preceded by $P$ but not immediately followed by $S$?
$S, T, P, Q, T, S, P, T, R, P, T, S, R, P, S, T, Q, P, T, R, P, T, M, P, T, S$

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 as far from the first letter of the alphabet as the letter $C$ is from the letter midway between $K$ and $R$ in the word $'QUICKSILVER'$?

If the letters of the word $OBSERVANT$ are interchanged,such that the first becomes ninth,second becomes eighth,and so on,and the position of the fifth letter remains unchanged,then what will be the new arrangement of letters?

Find which one word cannot be made from the letters of the given word.
$PARAPHERNALIA$

$A$ 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.
$T, L, E, M, N, A$
$1, 2, 3, 4, 5, 6$

In the word $PARADISE$,how many pairs of letters are there which have as many letters between them in the word as in the alphabet?