Using all the letters of the word "NIA", how many words can be formed, which begin with N and end with A?  Choices.
A) 8  B) 6  C) 9  D) 3  E) 1
There are five letters in the given word.   Consider 3 blanks ....   The first blank and last blank must be filled with N and A all the remaining three blanks can be filled with the remaining 3 letters in 1! ways.   The number of words = 1! = 1.   Answer:1
<result>E</result>
Using all the letters of the word "NIA", how many words can be formed, which begin with N and end with A?