Petrol and Kerosene are jointly obtained from crude oil. If the supply of petrol increases, the
The fixing of maximum prices by government is mainly on
When more of tax on a product is borne by the buyer than the seller, the commodity involved has
The marks obtained by 9 students in a class test are recorded below: 9, 8, 7, 5,7, 6, 8, 9 and 7. What is the median mark?
Tariffs, quotas and embargoes are examples of
