Q: In this task, you need to provide the correct option for a given problem on probability from the provided options.
Problem: there are 13 boys and 10 girls in a class . if three students are selected at random , in how many ways that 1 girl & 2 boys are selected ? 
Options: a ) 120 , b ) 480 , c ) 780 , d ) 720 , e ) 800
A:
c