For the equation `x + y + z +omega= 19,` the number of positive integral solutions is equal to-

For the equation X+Y+Z+W = 19, the number of positive integral solutions is equal to (A) The number of ways in which 19 identical things can be distributed among 4 persons so that each gets atleast one thing (B) The number of ways in which 15 identical things can be distrusted to 4 persons so that each person get any number of things. (C) 18C_3 (D) 22C_3

The number of positive integral solutions of the equation xyz = 30 is

The number of positive integral solutions of the equation x+2y+z=25 is

Find the number of positive integral solutions of the equation x+y+z=12.

Find the number of positive integral solutions of the equation x+y+z=12.

Find the number of positive integral solutions of the equation x+y+z=12.

Find the number of positive integral solutions of the equation x+y+z=12.

Find the number of positive integral solutions of the equation x+y+z=12.

The number of positive integral solutions of the equation x + y + z = 100 is

Find the number of positive integral solutions of x y z=21600.