Which letter in the word $SELFRIGHTEOUSNESS$ does not change its position when the letters are reversed?

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

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

$A$ group of letters is given which are numbered $1, 2, 3, 4,$ and $5$. 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.
$R, A, C, E, T$
$1, 2, 3, 4, 5$

If the positions of the first and sixth letters of the word $BENEFICIAL$ are interchanged; similarly the positions of the second and seventh letters are interchanged and so on,which letter will be third from the right end after rearrangement?

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