In how many ways can 5 objects be divided into 2 persons?
n identical objects can be divided into p persons in n + p - 1Cp - 1 ways
So, 5 identical objects can be divided into 2 persons in 5 + 2 - 1C2 - 1 = 6C1 = 6 ways
In how many ways can Rs. 16 be divided into 4 person when none of them get less than Rs. 3