31.
The law of demand states that if other things remain same

35.
When a firm produces 400 units, its total cost is Rs. 6,000 and the total cost of producing 410 units is Rs. 7,500. If so, then its marginal cost will be

36.
When a monopolist is able to sell each separate unit of the output at a different price according to the pocket of the customer, he is applying

37.
Which of the following describes what happens to a consumer's budget line if the consumer's budget increases? The budget line

38.
Match the following.
List-I List-II
a. Cross demand is the change in the quantity demanded of a given commodity in response to the 1. Relationship between the price of a commodity and the quantity demanded
b. The elasticity of demand for product will be higher 2. Change in the price of another commodity
c. The law of demand indicates 3. When price falls demand rises
d. The law of demand states 4. The more available are substitutes for that product