Answer:
(A U B U C)={ 3,6,8,9,12,13,14,15,16,18,21,23,24,25,26,30}
(A n B n C) = {14,15}
Explanation:

Union of sets is the combination of all the values in the given set into one set

Intersection of sets is the combination of all the common terms in each set into one set.
