23.
Statement I The least-cost or optimal input combination of labour capital requires that the marginal revenue productivity ratio of the two inputs should be equal to their price ration.
Statement II In a hypothetical production function of the following from Q = L3 + 15L2 + 10
Where Q = Quantity of the product and L = No. of variable input (labour) the marginal physical productivity of labour is L2 + 15L + 10

25.
Match the following.
List-I (Production functions) List-II (Name of the shapes of returns to scale)
a. Q = 10.2K0.19 L0.88 1. Constant returns to scale
b. Q = 1.01L0.75 K0.25 2. Diminishing returns to scale
c. Q = 0.84L0.63 K0.3 3. Increasing returns to scale

26.
Which of the following is a barrier to entry that typically results in a monopoly?

29.
If in a year, the gross fiscal deficit of a Government is Rs. 3,00,000 crore, revenue deficit is Rs. 1,50,000 crore and interest payment are Rs. 80,000 crore, then the primary deficit of the Government in the year is:

30.
Elasticity of demand measures the