Production and cost — Economics STD 12 Humanities & Commerce — Question

Can Marginal revenue be negative.

Giving reasons, state whether the following statements are true or false.
Net profit of any Bank of India's branch in USA will not be included in Indian National income.

Giving reasons, state whether the following statements are true or false.
Average product will increase only when marginal product increases.###Average product rises only where marginal product rises.

Giving reasons, state whether the following statements are true or false:
When MR falls to zero, average revenue becomes maximum.

Giving reasons, state whether the following statements are true or false:
When supply decreases more than proportionately than the fall in demand, equilibrium price will also fall.

Are the following statement true or false? Give reason.
In spot market sale and purchase of foreign currency is settled on a specified future date.

Macroeconomics is the study of individual and small group of individuals.

State giving reasons, whether the following statements are true or false:
When Total Revenue is constant, Average Revenue will also be constant.

Giving reasons, state whether the following statements are true or false:
When MR is positive and constant, AR and TR will both increase at a constant rate.

Giving reasons, state whether the following statements are true or false.
Rent received by an American from Reliance Industries with respect to building located in India will neither be included in national income nor in domestic income of India.