If by arranging the letters of the word $NABMODINT,$ the name of a game is formed,what are the first and the last letters of the word so formed?

$A$ group of letters is given which are numbered $1, 2, 3, 4, 5$. 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.
$R, P, E, D, I$
$1, 2, 3, 4, 5$

Arrange the given words in alphabetical order and choose the one that comes first: Guarantee,Groan,Grotesque,Guard,Group.

$A$ group of letters is given which are numbered $1, 2, 3, 4, 5$. 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.
$T, R, I, F, U$
$1, 2, 3, 4, 5$

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

How many pairs of letters are there in the word $DELUSION$ which have as many letters between them in the word as there are in the English alphabet?