There are 15 boys and 10 girls in a class. If three students are selected at random, in how many ways that 1 girl and 2 boys are selected ?  Choose the most appropriate option.
A) 950
B) 1050
C) 2150
D) 2050
E) 1000
n(s) = sample space = 25C3 = 2300   E = event that 1 girl and 2 boys are selected   n(E) = we have to select 2 boys from 15 and 1 girl from 10   = 15C2 * 10C1   = 1050   Ans - 1050
<result>B</result>
There are 15 boys and 10 girls in a class. If three students are selected at random, in how many ways that 1 girl and 2 boys are selected ?