Q5

MCQMarks unknown

A multiset is an unordered collection of elements where elements may repeat any number of times. The size of a multiset is the number of elements in it, counting repetitions.

(A)

What is the number of multisets of size $4$ that can be constructed from n distinct elements so that at least one element occurs exactly twice?

(B)

How many multisets can be constructed from n distinct elements?

Loading…