Divide and simplify the result. \( \frac{\frac{11}{\frac{11}{12}}}{\frac{\frac{11}{6}}{\frac{11}{12}}=\square} \)

Indicate between which two integers the following root lies \( ?<\sqrt{13}< \) ?

Write the following recurring decimal as a simplified commor fraction. \( \mathbf{0 , 7 4} \)

Agar \( a=(\sqrt{3}+1)^{4} \) bo'lsa, \( a \cdot(1-\{a\}) \) ning qiymatini toping. Bu yerda \( \{a\}-a \) sonining kasr qismi. \( \begin{array}{llll}\text { A) } 1 & \text { B) } 81 & \text { C) } 54 & \text { D) } 16\end{array} \)

A population of a bacteria colony doubles every 3 hours. If there are currently 500 bacteria, how many will there be after 12 hours?

e) \( \sqrt[2]{\left(\frac{49}{9}\right)^{11} \cdot\left(\frac{49}{9}\right)^{-4}:\left(\frac{98}{18}\right)^{6}: \frac{196}{36}+[3-(0, \hat{6}-1)]^{2}}= \)