Question 347936

total 3 red, 1 white, 4 blue marbles.


no. of ways to select 2 red marbles out of 3 = 3C2 
 
                                             = 3


no. of ways to select 3 blue marbles out of 4 = 4C3 = 4



total no. of ways =4 * 3 = 12