Find the number of positive integral solutions of the inequality `3x+y+zlt=30.`

The number of positive integral solution of the inequality x+y+zle20 is

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

Find the number of positive integral solutions of abc=45.

Find the number of positive integeral solution of the inequation x+y+z >=150, where 0 , x le 60, 0 < y le 60, 0 < z le 60.

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

Find the number of positive integral solutions of xyz=21600.

Find the number of positive unequal integral solution of the equation x+y+z=20

Find the number of positive unequal integral solutions of the equation x+y+z+w=20.