POST UTME UNIPORT 2017 Economics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
Consider a country with a perfectly competitive market for wheat. The demand for wheat is given by the equation \( Q_d = 100 - 2P \) and the supply of wheat is given by the equation \( Q_s = 2P - 20 \). If the price of wheat is currently $2 per unit, what is the equilibrium quantity of wheat?
A. 40
B. 60
C. 80
D. 100
Question 2
A firm's demand curve is given by the equation: Qd = 100 - 2P. If the firm's supply curve is given by the equation: Qs = 2P - 50, what is the equilibrium price and quantity?
A. P = 25, Q = 50
B. P = 30, Q = 60
C. P = 35, Q = 70
D. P = 40, Q = 80
Question 3
A firm's production function is given by \( Q = 2L^{0.5}K^{0.5} \), where ( L ) is labor and ( K ) is capital. If the firm has 100 units of labor and 200 units of capital, what is the maximum output?
A. 200
B. 400
C. 600
D. 800
Question 4
A government imposes a tax on a firm's output. The firm's supply curve is given by the equation: Qs = 2P - 50. If the tax is 10, what is the new supply curve equation?
A. Qs = 2P - 60
B. Qs = 2P - 70
C. Qs = 2P - 80
D. Qs = 2P - 90
Question 5
A firm produces two goods, x and y, u\sing two inputs, labor and capital. The production functions are given by x = 2L + 3K and y = L + 2K. If the prices of x and y are ₦5 and ₦3 respectively, and the wage rate and rental rate are ₦10 and ₦20 respectively, find the optimal input mix u\sing the Cobb-Douglas production function.
A. L = 10, K = 5
B. L = 5, K = 10
C. L = 15, K = 3
D. L = 20, K = 2
Question 6
A government is considering a tax on a particular good. The demand curve for the good is given by Q = 100 - 2P, and the supply curve is given by Q = 2P. If the government imposes a tax of 10 on the good, what is the new equilibrium quantity?
A. 40
B. 50
C. 60
D. 70
Question 7
A consumer's indifference curves for two goods, X and Y, are given by the following equations: U(X, Y) = 2X + 3Y and U(X, Y) = 4X + 2Y. If the consumer's initial \endowment is \( X = 2, Y = 3 \), what is the consumer's optimal bundle?
A. \( X = 1, Y = 4 \)
B. \( X = 2, Y = 3 \)
C. \( X = 3, Y = 2 \)
D. \( X = 4, Y = 1 \)
Question 8
Consider a country with a GDP of ₦100 billion and a GNP of ₦120 billion. If the country's net factor income from abroad is ₦20 billion, find the country's national income u\sing the identity GNP = GDP + net factor income from abroad.
A. ₦140 billion
B. ₦160 billion
C. ₦180 billion
D. ₦200 billion
Question 9
Consider a firm operating in a perfectly competitive market with a production function Q = 2L^0.5K^0.5. If the price of the good is $10 and the firm's \cost function is C = 2L + 3K, what is the optimal level of output and input usage?
A. \( Q = 100, L = 50, K = 50 \)
B. \( Q = 50, L = 25, K = 25 \)
C. \( Q = 200, L = 100, K = 100 \)
D. \( Q = 150, L = 75, K = 75 \)
Question 10
A consumer has a utility function U(x,y) = 2x + 3y, where x and y are the quantities of two goods. If the consumer's income is ₦1000 and the prices of the two goods are ₦5 and ₦10 respectively, what is the consumer's optimal bundle of goods?
A. (20, 80)
B. (40, 60)
C. (60, 40)
D. (80, 20)
Question 11
A firm is producing a good with a production function Q = 2L^0.5K^0.5, where L is labor and K is capital. If the firm is currently u\sing 100 units of labor and 100 units of capital, what is the marginal product of labor?
A. 0.5
B. 1
C. 1.5
D. 2
Question 12
A firm is considering two investment projects, A and B. Project A requires an initial investment of ₦100,000 and is expected to generate a return of ₦120,000 per year for 5 years. Project B requires an initial investment of ₦150,000 and is expected to generate a return of ₦180,000 per year for 5 years. Which project has a higher net present value?
A. Project A
B. Project B
C. Both projects have the same net present value
D. Neither project has a positive net present value
Question 13
A country's balance of payments is given by the equation \( BOP = X - M \), where ( X ) is exports and ( M ) is imports. If the country's exports are $100 billion and imports are $80 billion, what is the balance of payments?
A. +20 billion
B. +10 billion
C. +5 billion
D. +1 billion
Question 14
A consumer has a budget of ₦1,000 and faces the following prices for two goods: Good X \costs ₦200 and Good Y \costs ₦300. If the consumer's indifference curves are such that the marginal rate of substitution (MRS) is 2, what is the consumer's optimal bundle?
A. (200, 400)
B. (300, 300)
C. (400, 200)
D. (500, 100)
Question 15
Consider a country with a population of 100 million and a per capita income of ₦50,000. If the country's GDP is ₦5 trillion, find the country's GDP per capita u\sing the identity GDP per capita = GDP / population.
A. ₦50,000
B. ₦60,000
C. ₦70,000
D. ₦80,000

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