In how many ways can the letters of the word TATTOO be arranged?	Choose the correct choice from the following
A) 1206  B) 1348  C) 2520  D) 60  E) 3478
TATTOO has 6 words, but T is repeated three times and O is repeated two times. Thus ways   = 6! / 3!2! = 60 ways   60
<result>D</result>
In how many ways can the letters of the word TATTOO be arranged?