In how many ways can the letters of the word OCARINA be arranged if the O, R, and N remain in their original positions?	Choose the correct choice from the following choices: A) 6 B) 12 C) 18 D) 24 E) 48
The word OCARINA has 7 letters and if the O, R, and N remain in their original positions   then we have 4 positions to arrange the remaining letters - C , 2A , I   Number of ways = 4!/2!   = 12   Answer 12
<result>B</result>
In how many ways can the letters of the word OCARINA be arranged if the O, R, and N remain in their original positions?