\eqalign{ & {\text{If}} \cr & {\text{I = }}\frac{3}{4} \div \frac{5}{6}{\text{,}} \cr & {\text{II = 3}} \div \left[ {\left( {4 \div 5} \right) \div 6} \right]{\text{,}} \cr & {\text{III = }}\left[ {{\text{3}} \div \left( {4 \div 5} \right)} \right]{\text{,}} \cr & {\text{IV = 3}} \div {\text{4}}\left( {5 \div 6} \right), \cr & {\text{Then - }} \cr} $$

• A. I and II are equal
• B. I and III are equal
• C. I and IV are equal
• D. All are equal