Zayn, Mark, David ,Peter, Harry and Paula line up at a ticket window. In how many ways can they arrange themselves so that David is second in line from the window?  Select:  A) a 100  B) b 112  C) c 90  D) d 120  E) e 30
D   David's position is fixed. Now we need to arrange all others around David.   There are 5x4x3x2x1= 120 ways to arrange five people.
<result>D</result>
Zayn, Mark, David ,Peter, Harry and Paula line up at a ticket window. In how many ways can they arrange themselves so that David is second in line from the window?