Permutation: n Different Things Taken All at a Time When All Are Not Different.
Five balls ar...
Question
Five balls are to be placed in three boxes. Each box can hold all the five balls. In how many different ways can we place the balls so that no box remains empty, if balls and boxes both are identical is
Open in App
Solution
Total ways if both balls and boxes are identical is (3,1,1)(2,2,1) only 2 ways