Question

Find odd one out. 

1. Single seller, price maker, selling cost, control over supply 

2. Fairly large number of firms, product differentiation, selling cost, price maker 

3. A few firms, interdependence between firms, no transport cost, indeterminate demand curve 

4. Tata steel, Reliance industries, Post and Telegraph

Answer 1

1. Selling cost. Others are features of monopoly 

2. Price maker. Others are features of monopolistic competition 

3. No transport cost. Others are features of oligopoly 

4. Post and Telegraph. Others are private sector companies.