Introduction of Micro-Economics — Economics STD 12 Humanities & Commerce — Question

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

Recovery of loans is a revenue receipt. (True/ False)

AR curve always remain above MR curve. (True/ False)

Giving reasons, state whether the following statement are true or false;
Value of average propensity to save can never be less than zero.

Are the following statement true or false? Give reason.
Revaluation and appreciation of currency are one and the same thing.

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 statement are True or False.
If supply curve touches X-axis, elasticity of supply is greater than one?

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.
Total product will increase only when marginal product increases.

Giving reasons, state whether the following statements are true or false:
Average propensity to save is always greater than zero.