In how many ways 5 different pens can be distributed among 3 students so that each one gets 0 or more pens?
243
260
150
180
Empty box is allowed
So, number of ways of distributing distinct objects among
identical places such that each one is filled with zero or more things is
Here, number of pens
number of students
Using the equation, we obtain:
Total number of ways: 243
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