Venn Diagrams

Draw appropriate Venn diagram for the following:
 $A^{\text{'}}\cup B^{\text{'}}$

Draw an appropriate Venn diagram for ${\left(A\cap B\right)}^{\text{'}}$.

Draw an appropriate Venn diagram for $A^{\text{'}}\cap B\text{'}$.

Draw appropriate Venn diagram for ${\left(A\cup B\right)}^{\text{'}}$.

In a survey it was found that $21$ people liked product $A,26$ liked product $B$ and $29$ liked product $C.$ If $14$ people liked products $A$ and $B,12$ people liked products $C$ and $A,14$ people liked products $B$ and $C$ and $8$ liked all the three products. Find how many liked product $C$ only.

In a survey of $60$ people, it was found that $25$ people read newspaper $H, 26$ read newspaper $\mathrm{T}, 26$ read newspaper $\mathrm{I},9$ read both $H$ and $\mathrm{I},11$ read both $H$ and $\mathrm{T}, 8$ read both $\mathrm{T}$ and $\mathrm{I}, 3$ read all three newspapers. Find:
 the number of people who read exactly one newspaper.