In how many ways can the letters of the word CODD be arranged?  Choose the correct choice from the following answers.
A) 15 B) 16 C) 12 D) 13 E) 10
CODD has 4 words, but d is repeated two times. Thus ways = 4! / 2! = 12 ways   12
<result>C</result>
In how many ways can the letters of the word CODD be arranged?