In how many different number of ways 4 boys and 1 girls can sit on a bench?  Choose the correct choice from the following:
A) 120
B) 140
C) 160
D) 180
E) 200
npn = n!   5p5= 5 × 4 × 3 × 2 × 1 = 120   120
<result>A</result>
In how many different number of ways 4 boys and 1 girls can sit on a bench?