The total number of positive integral solution of `15 < x_1+x_2+x_3 lt= 20` is equal to a. `685` b. `785` c. `1125` d. none of these

The total number of positive integral solutions of abc=30, is

The total number of positive integral solutions of abc=30, is

Find the total number of positive integral solutions for (x ,y ,z) such that x y z=24. Also find out the total number of integral solutions.

Find the total number of positive integral solutions for (x ,y ,z) such that x y z=24. Also find out the total number of integral solutions.

Find the total number of positive integral solutions for (x ,y ,z) such that x y z=24. Also find out the total number of integral solutions.

Find the total number of positive integral solutions for (x ,y ,z) such that x y z=24. Also find out the total number of integral solutions.