Question : What is the Highest Common Factor of $\frac{4}{55}$, $\frac{2}{11}$, and $\frac{8}{22}$?

Question : What is the value of $\frac{5}{11}$ of $\frac{3}{7}+\frac{7}{11} \times \frac{55}{21}-\frac{8}{22} \div \frac{16}{33}$?

Question : What is the value of $\frac{39}{25} \div \frac{13}{5}+\frac{33}{5} \times \frac{4}{11} ?$

Question : If $A=\frac{2}{3} \div \frac{4}{9}, B=\frac{6}{11} \times\frac{33}{12}$ and $C=\frac{1}{3} \times \frac{9}{2}$, then what is the value of $A \times B-C$?

Question : What is the value of $\frac{132}{11} \times \frac{13}{12} \div \frac{169}{14}-\frac{1}{13}?$