Answer: The economy is divided into different sectors based on the nature of economic activities people engage in. These include the Primary sector, Secondary sector, and Tertiary sector. The Secondary sector, also known as the manufacturing or industrial sector, plays a vital role in transforming raw materials into finished goods, thereby adding value to resources.
The Secondary sector is the backbone of industrial development. By processing raw materials into finished goods, it not only adds value to resources but also generates employment, boosts exports, and contributes significantly to the nation’s economy. It bridges the gap between the Primary and Tertiary sectors, making it indispensable for balanced economic growth.
Find the unknown frequency if 24 is the median of the following frequency distribution:
\[\begin{array}{|c|c|c|c|c|c|} \hline \text{Class-interval} & 0-10 & 10-20 & 20-30 & 30-40 & 40-50 \\ \hline \text{Frequency} & 5 & 25 & 25 & \text{$p$} & 7 \\ \hline \end{array}\]
Two concentric circles are of radii $8\ \text{cm}$ and $5\ \text{cm}$. Find the length of the chord of the larger circle which touches (is tangent to) the smaller circle.