83. Hong Kong é uma das cidades mais populosas do mundo. Em uma extensão territorial de \( 6650 \mathrm{~km}^{2} \) há cerca de 7,242 milhões de habitantes. Determi- ne a densidade demográfica da cidade de Hong Kong.

3. (a5-g18-14) Ko'p qavatli uyning 4 - qavatigacha bo'lgan masofa 12 metr. Shu uyning 12 -qavatigacha bo'lgan masofa necha metr? \( \begin{array}{llll}\text { A) } 48 & \text { B) } 44 & \text { C) } 36 & \text { D) } 33\end{array} \)

If I write the three measurements in descending order, which one will be in the middle? Select one: \( \begin{array}{l}54,9 \mathrm{~km} \\ 45,09 \mathrm{~km} \\ \text { - } 450,9 \mathrm{~km}\end{array} \)

83 Найдите произведение: \( \begin{array}{l}\text { а) } \frac{4}{9} \cdot \frac{9}{7} \cdot \frac{7}{17} \cdot \frac{17}{28} ;\end{array} \)

4. Malt and Lionel left their houses at the same time and drove in they respective cars to the city which was 200 km away. When Matt reached the city. Lionel still had 50 km more to travel. Lionel finally completed the journey 36 minutes later. How long did Lionel take to drive to the city?

4. (a5-g13-12) Tashkilotdagi ishchilaming \( 2 / 3 \) qismi ayollar. Erkak ishchilaming 315 qismi oilali va 12 nafari uylanmagan bolla, tashkilotda nechta ishchi ishlamoqda? \( \begin{array}{llll}\text { A) } 90 & \text { B) } 72 & \text { C) } 60 & \text { D) } 50\end{array} \)