3. D={d/d is a dwarf of snow white} is an example of _________

a. sudset

b. finite set

c. infinite set

d. null set

4. what is the cardinality of set A which is a set of whole number less than 5

a. n(A)=5

b. n(A)=4

c. n(A)=3

d. n(A)=2

Answer:

3.b

4.b

I don't know if it's correct but here is my answer