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

Giving reasons, state whether the following statements are true or false:
In case of excess demand, equilibrium price is less than prevailing price.

Giving reasons, state whether the following statements are true or false:

A fall in the price of 1 US dollar from ₹ 50 to ₹ 40 means depreciation of the Indian currency.

Giving reasons, state whether the following statements are true or false:
When income of buyers increase, equilibrium price falls.

State giving reasons, whether the following statements are true or false:
As soon as Marginal Cost starts rising, Average Variable Cost also starts rising.

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.

“Returns to a variable factor operates in the long period." True or False? Give reason in support of your answer.

State giving reasons, whether the following statements are true or false:
Average Cost falls only when Marginal Cost falls.

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.
If marginal product rises, average product must also rise.

CRR and SLR are the two components of LRR. (True/ False)