Question

A set which contains all the elements of other given sets is called a ________ set.

• A. proper
• B. universal
• C. subset
• D. power

Answer 1

Answer: (B)

universal

A set which contains all the elements of other given sets is called a universal set.
For example:

If $A=\{1,2,3\}$ and $B=\{2,4\}$

Then, $U=\{1,2,3,4\}$ where U is the universal set for set A and B.