Demand and Supply of Different Kinds of Grains in Four Different Countries. For how many kinds of grains is the supply falling short of the demand in one or more of the given four countries?
The letters denote The symbols denote the respective grains: the respective countries: For how many kinds of grains is the supply falling short of the demand in one or more of the given four countries?
The letters denote The symbols denote the respective grains: the respective countries: In which of the following countries is the demand for all four types of grains fully met by the corresponding supply?
The letters denote The symbols denote the respective grains: the respective countries: For any country, which of the following grains has maximum surplus? (Surplus is supply in excess of demand)