In how many different number of ways 1 boys and 3 girls can sit on a bench? Choose the correct choice from the following answers
A) 720
B) 730
C) 740
D) 24
E) 800
npn = n!   4p4 = 4 × 3 × 2 × 1 = 24   24
<result>D</result>
In how many different number of ways 1 boys and 3 girls can sit on a bench?