1. It is well-defined collection of distinct objects. A. class
B. elements
C. group
D. set

2. Two sets that contains exactly the same elements.
A. cardinal number
C. equivalent sets
B. equal sets
D. subsets

3. Two sets that contains exactly the same number of elements.
A. cardinal number
C. equivalent sets
B. equal sets
D. subsets

4. It refers to the number of elements in a given set.
A. cardinality
C. subsets
B. equivalent sets
D. universal set

5. It is the set of all the elements in the universal set that are not in the given set.
A. Complement
C. Intersection
B. Difference
D. Union