The theory of the firm under perfect competition — Economics STD 12 Humanities & Commerce — Question

Giving reasons, state whether the following statements are true or false.
When the quantity of a variable input is increased from 4 to 6 units, the total output increases from 85 units to 105 units. The marginal product of the variable input is 20 units.

Total product always increases whether there is increasing returns or diminishing return to a factor.

Accommodating items do not cause any movement of goods and services across the borders. (True/ False)

Government budget is presented only by the central government in India. (True/ False)

A monopolist can sell any quantity he likes at a price. Give reasons with true or false.

Giving reasons, state whether the following statements are true or false.
Salary of Pakistan worker, working in Indian Embassy is not a national income of India.

Giving reasons, state whether the following statements are true or false.
If price of substitute goods falls, demand for related goods will also fall?

State giving reasons, whether the following statements are true or false:
When there are diminishing returns to a factor, Total Product first increases and then starts falling?

Giving reasons, state whenever the following statements are true or false:
Average Product will increase only when Marginal Product increases.

Giving reasons, state whenever the following statements are true or false:
With increase in level of output, Average Fixed Cost goes on falling till reaches zero.