4. Sets, Functions, and Relations

Set Operations — Quiz

Test your understanding of set operations with 5 practice questions.

Practice Questions

Question 1

If $A=\{1,2,3\}$ and $B=\{3,4,5\}$, what is $A\cup B$?

Question 2

If $A=\{1,2,3,4\}$ and $B=\{3,4,5,6\}$, what is $A\cap B$?

Question 3

If $A=\{a,b,c,d\}$ and $B=\{b,d,e\}$, what is $A\setminus B$?

Question 4

If the universal set is $U=\{1,2,3,4,5,6\}$ and $A=\{2,4,6\}$, what is the complement of $A$ relative to $U$?

Question 5

What is $A\cup \varnothing$ for any set $A$?