If the letters of RUTHLESS are arranged alphabetically then which letter would be the last letter?

U

The following table shows the position values of the alphabets:

The answer will be U

RUTHLESS → alphabetical arrangement → EHLRSSTU

We can also memorize the alphabet so that we do not make any calculation mistakes and also reduce the time to solve answers:

We can write the numbers corresponding to the given letters, to make things easy:

R = 18, U = 21, T = 20, H = 8, L =12, E = 5, S = 19, S = 19

Arranging the numbers in ascending order (alphabetically)

5,8,12,18,19,19,20,21

The letter that will come on the last is 21 i.e. U.