.
How many three-letter words (real or imaginary) can be formed formed from the letters in the word
A. MAN?
B. MOM?
~~~~~~~~~~~~~~~~~
From the context, repeating of letters is not allowed.
(A) The word "MAN" consists of three different letters,
so 3! = 3*2*1 6 permutatioms are possible, and they all are different/distinguished.
ANSWER. 6 different distinguished arrangements are possible.
(B) The word "MOM" consists of three letters, two of them are identical.
so = = 3 different/distinguished arrangements are possible.
ANSWER. 3 different distinguished arrangements are possible.
Solved.