SSC MTS EXAM

Detailed explanation-1: -The 3 main sectors of the economy are primary, secondary and tertiary sectors. Manufacturing comes under the secondary sector, extraction of raw materials industries comes under the primary sector of the economy and the services industry comes in the tertiary sector of the economy.

Detailed explanation-2: -The three-sector model in economics divides economies into three sectors of activity: extraction of raw materials (primary), manufacturing (secondary), and service industries which exist to facilitate the transport, distribution and sale of goods produced in the secondary sector (tertiary).

Detailed explanation-3: -The 4 different sectors of the economy are primary sector, secondary sector, tertiary sector and quaternary sector. The quaternary sector of the economy is based upon the economic activity that is associated with either the intellectual or knowledge-based economy.