Embibe Experts Solutions for Chapter: Sets, Exercise 1: Exercise

Which of the following is the Venn diagram for $B-A$? 

If $A$ is a set with $n$ elements then $A\cup \varnothing =$? 

If $A$ is any set containing $n$ elements then $A-\left(A\cup \varnothing \right)=$?

Which of the following is the identity element for union with set $A$?

Which of the following represents idempotent property for intersection of the sets?

If $A$ is any set, then $A\cup A$ is

If $E$ is the set of even natural numbers and $O$ is the set of odd natural numbers. Then the set $E\cup O$ is closed under the operation of 

For any three sets $\mathrm{A}, \mathrm{B}, \mathrm{C}$ which of the following is true?