Consider the following: 
1. Existence of Agriculture and Industry together
2. Existence of commercial agriculture and subsistence farming together
3. Existance of modern industry and commercial agriculture with subsistence farming and traditional handicraft
Which among the above is / are examples of Dual Economy? 

Answer: [D] 1, 2 & 3

Each of them is example of dual economy, which refers to refers to the existence of two distinct types of economic segments within an economy. 

This question is a part of GKToday's Integrated IAS General Studies Module