Distribution of n distinct object in r different boxes (empty box not allowed)

Distribution of n distinct object in r different boxes (empty box allowed)

Distribution of n identical object in r different boxes if empty boxes are allowed

Distribution of n identical object in r different boxes if empty boxes are not allowed

Distribution of n distinct objects into r distinct boxes if in each box at least one box is placed

Distribution Of Distinct And Identical Objects

The number of ways of distributing 7 different balls into 5 different boxes.So that no box is empty and order of putting the balls in the boxes is considered is 15n. The value of n is

Find the number of ways in which 5 distinct balls can be distributed in three different boxes if no box remains empty.

The number of ways in which n distinct objects can be put into two different boxes, is

Find the total number of way in which n distinct objects can be put into two different boxes