Calculate the different number of ways 2 boys and 1 girls can sit on a bench?
Choose the correct choice from the following:  A) 6  B) 4  C) 5  D) 3  E) 2
npn = n!   3p3 = 3 × 2 × 1 = 6   6
<result>A</result>
Calculate the different number of ways 2 boys and 1 girls can sit on a bench?