Question

How many different arrangements of the letters in the word "COLOR" are there?

Answer 1

First of all, the number of arrangements in the word COLOR are 5!, but as O repeats twice, we divide it by 2!.

\( \color{Black}{\Rightarrow \Large {5! \over 2!} }\)

\( \color{Black}{\Rightarrow {5 \cdot 4 \cdot 3}}\)

Answer 2

the total number of arrangements is 5!
as two of them ar aliken......its 51/2

Answer 3

5!/2