Using all the letters of the word "NOKIAS", how many words can be formed, which begin with N and end with S?	Answers:  A) 24  B) 80  C) 160  D) 80  E) 100
There are five letters in the given word.   Consider 6 blanks ....   The first blank and last blank must be filled with N and S all the remaining three blanks can be filled with the remaining 5 letters in 5! ways.   The number of words = 5! = 120.   24nswer: 24
<result>A</result>
Using all the letters of the word "NOKIAS", how many words can be formed, which begin with N and end with S?