In how many different number of ways 4 boys and 2 girls can sit on a bench?  Choose the correct choice from the following answers:
A) 720
B) 740
C) 760
D) 800
E) 810
npn = n!   6p6 = 6 × 5 × 4 × 3 × 2 × 1 = 720   720)
<result>A</result>
In how many different number of ways 4 boys and 2 girls can sit on a bench?