In how many test matches did Ravichandran Ashwin achieve the feat of becoming the fastest player in the world (in terms of number of matches) to get 300 wickets in test cricket in November 2017?
A commodity market has a _________ structure, if there is one seller of the commodity, the commodity has no substitute, and entry into the industry by another firm is prevented.
If price of an article decreases from Rs P1 to Rs 75, quantity demanded increases from 1000 units to 1200 units. If point elasticity of demand is 3.2 findmP1?