On how many ways can the letters of the word "COMPUTER" be arranged
1.) Without any restrictions?
2.) Vowels occupy the even positions
1.) Without any restrictions?
2.) Vowels occupy the even positions
1) no restrictions- 8!
2) vowels occupy even position
4 even positions
3 vowels
5 consonants
3 vowels in 4 even positions- 4C3*3!
5 consonants in 5 places- 5!
4!*5!
