Calculation

Calculate national income:

Calculate national income

A person purchases calculators at the rate of ₹345 per calculator. If he sells calculators on 40% loss then what will be the selling price of 28 calculators?

Calculate the value of the following without using a calculator. (15)^(2)

Calculate the value of the following without using a calculator. (-60)^(2)

Calculate the value of the following without using a calculator. (1""3/8)^(2)

Calculate Subsidies.

Calculate Subsidies .