POST UTME OSUSTECH 2024 Economics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
Consider a production function \( Q = f\( L, K \ \) ) where ( Q ) is the quantity of output, ( L ) is labor, and ( K ) is capital. If the marginal product of labor is \( MPL = \frac{partial Q}{partial L} = 10L \) and the marginal product of capital is \( MPK = \frac{partial Q}{partial K} = 5K \), what is the value of \( \frac{MPL}{MPK} \) when \( L = 2 \) and \( K = 3 \)?
A. 6
B. 12
C. 24
D. 48
Question 2
A consumer has a budget constraint of ₦100 and a utility function U(x,y) = 2x + 3y. If the prices of x and y are ₦5 and ₦10 respectively, what is the optimal bundle of x and y that the consumer will choose?
A. (10,0)
B. (5,5)
C. (0,10)
D. (15,0)
Question 3
A firm's \cost function is given by ( C(x) = 2x^2 + 3x + 10 ). If the firm produces 10 units of output, find the total \cost of production.
A. ₦130
B. ₦140
C. ₦150
D. ₦160
Question 4
Consider a firm that produces two goods, A and B. The production function for good A is \( Q_A = 2L_A + 3K_A \) and the production function for good B is \( Q_B = 3L_B + 2K_B \). If the firm has 10 units of labor and 8 units of capital, how many units of good A and good B should the firm produce to maximize profits?
A. Good A: 20 units, Good B: 15 units
B. Good A: 15 units, Good B: 20 units
C. Good A: 10 units, Good B: 10 units
D. Good A: 5 units, Good B: 5 units
Question 5
A consumer's indifference curve is given by the equation ( u(x,y) = 2x + 3y ). If the consumer's income is ₦1000 and the prices of x and y are ₦5 and ₦3 respectively, find the consumer's optimal bundle of x and y.
A. x = 40, y = 20
B. x = 30, y = 30
C. x = 20, y = 40
D. x = 10, y = 50
Question 6
Consider a market with a demand function Qd = 100 - 2P and a supply function Qs = 2P - 10. If the market is in equilibrium, what is the price and quantity of the good?
A. P=20, Q=40
B. P=30, Q=50
C. P=40, Q=60
D. P=50, Q=70
Question 7
A firm is considering investing in a new project that has the following cash flows: Year 1: -100, Year 2: 150, Year 3: 200. What is the net present value of the project if the discount rate is 10%?
A. -50
B. -30
C. -20
D. 10
Question 8
Consider a closed economy with a GDP of ₦10 trillion and a GNP of ₦12 trillion. If the net factor income from abroad is ₦1.5 trillion, what is the value of the net factor income from abroad as a percentage of the GNP?
A. 5%
B. 6%
C. 7%
D. 8%
Question 9
A government has a budget constraint of ₦1000 and a tax rate of 20%. If the government wants to maximize its revenue, what is the optimal level of taxation?
A. ₦200
B. ₦300
C. ₦400
D. ₦500
Question 10
A firm's demand function is given by \( Q = 100 - 2P \), where ( Q ) is the quantity demanded and ( P ) is the price. If the firm's supply function is \( Q = 2P - 50 \), what is the equilibrium price and quantity?
A. Price: 25, Quantity: 50
B. Price: 50, Quantity: 25
C. Price: 75, Quantity: 100
D. Price: 100, Quantity: 75
Question 11
A monopolist faces a demand curve given by P = 100 - 2Q, where P is price and Q is quantity. If the firm's marginal \cost (MC) is 20, what is the profit-maximizing quantity?
A. 20
B. 30
C. 40
D. 50
Question 12
A country's GNP is calculated as the sum of all final goods and services produced within its borders, plus the income earned by its citizens from abroad. If a country's GDP is 100, and its citizens earn 20 from abroad, what is the country's GNP?
A. 120
B. 110
C. 100
D. 90
Question 13
A monopolist faces a demand curve D(p) = 100 - 2p and a \cost function C(q) = 10q + 100. Find the profit-maximizing price and quantity.
A. \( p = 20, q = 30 \)
B. \( p = 25, q = 35 \)
C. \( p = 30, q = 40 \)
D. \( p = 35, q = 45 \)
Question 14
A country's production function is given by the equation Q = 2L^0.5K^0.5, where Q is the output, L is the labor, and K is the capital. If the country has 100 units of labor and 200 units of capital, what is the output?
A. 100 units
B. 200 units
C. 300 units
D. 400 units
Question 15
A country's elasticity of demand for a particular good is given by the equation \( E_d = \frac{P}{Q} \), where P is the price of the good and Q is the quantity demanded. If the price of the good is ₦10 and the quantity demanded is 20 units, find the elasticity of demand.
A. 0.5
B. 1
C. 1.5
D. 2

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