In a class there are 20 boys and 25 girls. In how many ways can a boy and a girl be selected?
Choices.
A) 657 ways
B) 500 ways
C) 576 ways
D) 545 ways
E) 552 ways
We can select one boy from 20 boys in 20 ways.   We select one girl from 25 girls in 25 ways   We select a boy and girl in 20 * 25 ways i.e., = 500 ways.   Answer: 500 ways
<result>B</result>
In a class there are 20 boys and 25 girls. In how many ways can a boy and a girl be selected?