Complement of a Set

If $A^{\text{'}}=\left\{1,2,6\right\}$ and $U=\left\{1,2,3,5,6,7\right\}$. Find $A$ using law of double complementation.

If $A^{\text{'}}=\left\{6,8\right\}$ and $U=\left\{4,5,6,7,8\right\}$. Find $A$ using law of double complementation.

If $A^{\text{'}}=\left\{4,5\right\}$ and $U=\left\{4,5,6,7,8\right\}$. Find $A$ using law of double complementation.

If $A^{\text{'}}=\left\{5,9\right\}$ and $U=\left\{5,6,7,8,9\right\}$. Find $A$ using law of double complementation.

If $A^{\text{'}}=\left\{2,4\right\}$ and $U=\left\{1,2,3,4,5\right\}$. Find $A$ using law of double complementation.

If $\mathrm{U}=\left\{\mathrm{multiples} \mathrm{of} 7 \mathrm{less} \mathrm{than} 50\right\}$ and $\mathrm{A}=\left\{\mathrm{multiples} \mathrm{of} 4 \mathrm{divisible} \mathrm{by} 7 \mathrm{less} \mathrm{than} 50\right\}$ , then find number of elements in $A^{\text{'}}$.

If $A=\left\{a,s,d,f\right\}$ and $A^{\text{'}}=\left\{z,x,c,v,b\right\}$. Find universal set $U$.

If $A=\left\{e,m,b\right\}$ and $A^{\text{'}}=\left\{j,i,o\right\}$. Find universal set $U$.

If $A=\left\{2,3,5,8,9\right\}$ and $A^{\text{'}}=\left\{1,4,6,7,11\right\}$. Find universal set $U$.

If $A=\left\{0,1,2\right\}$ and $A^{\text{'}}=\left\{7,8,9\right\}$. Find universal set $U$.

If $A=\left\{2,3,5\right\}$ and $A^{\text{'}}=\left\{1,4,6\right\}$. Find universal set $U$.

If $\mathrm{U}=\left\{\mathrm{multiples} \mathrm{of} 4 \mathrm{less} \mathrm{than} 18\right\}$ and $\mathrm{A}=\left\{\mathrm{multiples} \mathrm{of} 4 \mathrm{divisible} \mathrm{by} 6 \mathrm{less} \mathrm{than} 18\right\}$ , then find number of elements in $A^{\text{'}}$.

If $\mathrm{U}=\left\{\mathrm{multiples} \mathrm{of} 4 \mathrm{less} \mathrm{than} 25\right\}$ and $\mathrm{A}=\left\{\mathrm{multiples} \mathrm{of} 4 \mathrm{divisible} \mathrm{by} 6 \mathrm{less} \mathrm{than} 25\right\}$ , then find number of elements in $A^{\text{'}}$.

If $\mathrm{U}=\left\{\mathrm{multiples} \mathrm{of} 3 \mathrm{less} \mathrm{than} 25\right\}$ and $\mathrm{A}=\left\{\mathrm{multiples} \mathrm{of} 3 \mathrm{divisible} \mathrm{by} 5 \mathrm{less} \mathrm{than} 25\right\}$ , then find number of elements in $A^{\text{'}}$.

If $\mathrm{U}=\left\{\mathrm{multiples} \mathrm{of} 5 \mathrm{less} \mathrm{than} 25\right\}$ and $\mathrm{A}=\left\{\mathrm{multiples} \mathrm{of} 5 \mathrm{divisible} \mathrm{by} 3 \mathrm{less} \mathrm{than} 25\right\}$ , then find number of elements in $A^{\text{'}}$.

Let $\mathrm{U}=\{a,b,c,d,e,f,g,h\};$ find the complement of the set $\mathrm{C}=\left\{a,c,e,g\right\}$

Let $U=\{a,b,c,d,e,f,g,h\}$. Then, find the complement of the set $B=\left\{d,e,f,g\right\}$.

Let $U=\{a,b,c,d,e,f,g,h\};$ find the complement of the set $A=\left\{a,b,c\right\}$

If $B=[2,6]$ and $C=[4,9]$ Then find $B^{\text{'}}\cap C^{\text{'}}$

If $A=(-7,3]$, $B=[2,6]$ , then find $A^{\text{'}}\cap B$