A factory buys 8 machines. 3 MachineA, 4 MachineB and rest MachineC. Prices of the machines are Rs 45000, Rs 25000 and Rs 35000 respectively. Calculate the average cost (in Rs) of these machines?
Calculate a country's GDP if for the year, consumer spending is $400 million, government spending is $150 million, investment by businesses is $80 million, exports are $35 million and imports are $40 million.
In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.