In how many ways can the letters of the word PERMUTATIONS be arranged – InterviewSolution

1.	In how many ways can the letters of the word PERMUTATIONS be arranged if the(i) Words starts with P and end with S.(ii) Vowels are all together(iii) There are always 4 letters between P and S ?
Answer» In how many ways can the letters of the word $P E R M U T A T I O N S$ be arranged if the $(i)$ Words starts with $P$ and end with $S$ . $(i i)$ Vowels are all together $(i i i)$ There are always $4$ letters between $P$ and $S$ ?

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