Question

In how many different ways can 6 different balls be distributed to 4 different boxes, when each box can hold any number of balls?

Answer 1

Now, the two balls can be selected in 6C2 ways. Remaining 4 balls can be arranged in 4! ways. (Total Number of ways in which 7 different balls be distributed in 5 different boxes if any box can contain any number of balls, no box can be empty.)

i think like this