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

If the letters of the word $ARROGANCE$ are interchanged,first with fifth,second with sixth,third with seventh,fourth with eighth and the position of the ninth remains unchanged,then what will the new arrangement of letters be?

$A$ 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.
$T, P, S, L, O, I$
$1, 2, 3, 4, 5, 6$

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 should be fourth to the left of the twelfth letter from the right if the second half of the given alphabet is reversed?

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

If it is possible to make a meaningful word with the first,the fourth,the seventh and the eleventh letters of the word $INTERPRETATION$,which of the following will be the third letter of that word? If more than one such word can be made,give $M$ as the answer and if no such word can be made,give $X$ as the answer.