In how many ways can you seat 6 people on a bench if one of them does not want to sit at either end?  Choose one.
A) 360 B) 400 C) 440 D) 480 E) 520
One person can choose 4 possible chairs to sit. The remaining 5 people can sit in 5! ways.   The number of arrangements is 4*5! = 480.   The answer is 480.
<result>D</result>
In how many ways can you seat 6 people on a bench if one of them does not want to sit at either end?