Problem $10$:

$Fl=A{B}^{\text{'}}+A^{\text{'}}BC$

$FZ=A^{\text{'}}C+A{B}^{\text{'}}$

Using $8$:$1$ MUX $,4$:$1$ MUX, $2$:$1$ MUX.

Problem $11$:

$Fl=M(0,5,6,8,12,13,14)$

Implement the function using $16$:$1$ MUX $,8$:$1$ MUX $,4$:$1$ MUX, $2$:$1$ MUX.