POST UTME PAN-ATLANTIC UNIVERSITY 2021 Economics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A consumer's utility function is given by ( U(x,y) = 2x + 3y ), where ( x ) and ( y ) are the quantities of two goods consumed. If the prices of the two goods are ₦5 and ₦3 respectively, and the consumer's income is ₦100, find the optimal quantities of the two goods.
A. x = 10, y = 15
B. x = 15, y = 10
C. x = 20, y = 5
D. x = 5, y = 20
Question 2
A firm's \cost function is given by the equation \( C = 100 + 2L \), where ( C ) is the \cost and ( L ) is the labor. If the firm's fixed \cost is ₦50,000, and the wage rate is ₦10,000 per hour, find the firm's total revenue and total \cost.
A. Total Revenue = ₦500,000, Total Cost = ₦600,000
B. Total Revenue = ₦550,000, Total Cost = ₦650,000
C. Total Revenue = ₦600,000, Total Cost = ₦700,000
D. Total Revenue = ₦650,000, Total Cost = ₦750,000
Question 3
A country's national income is given by the equation \( Y = C + I + G \), where ( Y ) is the national income, ( C ) is the consumption, ( I ) is the investment, and ( G ) is the government exp\enditure. If the consumption is ₦500 billion, the investment is ₦200 billion, and the government exp\enditure is ₦300 billion, find the national income.
A. ₦1,000 billion
B. ₦1,100 billion
C. ₦1,200 billion
D. ₦1,300 billion
Question 4
A monopolist faces a demand curve given by Q = 100 - 2P and a \cost function C(Q) = 10Q + 100. What is the profit-maximizing price and quantity?
A. P = 40, Q = 30
B. P = 50, Q = 25
C. P = 60, Q = 20
D. P = 70, Q = 15
Question 5
A country's GDP is ₦1,000,000,000,000 and its GNP is ₦1,100,000,000,000. What is the net factor income from abroad?
A. ₦100,000,000,000
B. ₦200,000,000,000
C. ₦300,000,000,000
D. ₦400,000,000,000
Question 6
The GDP of a country is given by the equation \( GDP = C + I + G + \( X - M \ \) ), where ( C ) is the consumption, ( I ) is the investment, ( G ) is the government exp\enditure, ( X ) is the export, and ( M ) is the import. If the consumption is ₦500 billion, the investment is ₦200 billion, the government exp\enditure is ₦300 billion, the export is ₦400 billion, and the import is ₦200 billion, find the GDP.
A. ₦1,500 billion
B. ₦1,600 billion
C. ₦1,700 billion
D. ₦1,800 billion
Question 7
The government of a country wants to increase the production of a certain good. To achieve this, it decides to increase the price of the good by 10%. If the demand for the good is given by the equation Qd = 100 - 2P, what is the new price of the good?
A. ₦50
B. ₦55
C. ₦60
D. ₦65
Question 8
A monopolist faces a demand curve given by Q = 100 - 2P and a \cost function C(Q) = 2Q^2 + 10Q. What is the profit-maximizing price and quantity?
A. P = 40, Q = 30
B. P = 50, Q = 25
C. P = 60, Q = 20
D. P = 70, Q = 15
Question 9
A firm has a production function F(L, K) = L^0.4 K^0.6. If the wage rate is ₦100 per hour and the rental rate of capital is ₦200 per hour, what is the value of the marginal product of capital?
A. ₦120
B. ₦160
C. ₦200
D. ₦240
Question 10
A firm is considering two different production processes. Process A \costs ₦100 per unit and Process B \costs ₦120 per unit. If the firm produces 100 units, what is the total \cost of production?
A. ₦10,000
B. ₦12,000
C. ₦14,000
D. ₦16,000
Question 11
A country's GDP is $100 billion, and its GNP is $120 billion. What is the value of the country's net factor income from abroad?
A. $20 billion
B. $30 billion
C. $40 billion
D. $50 billion
Question 12
A firm's production function is given by Q = 2L^0.5K^0.5. If the price of labor is ₦100 per unit and the price of capital is ₦200 per unit, what is the \cost-minimizing combination of labor and capital?
A. L = 100, K = 50
B. L = 50, K = 100
C. L = 200, K = 50
D. L = 50, K = 200
Question 13
A firm is producing two goods, X and Y, u\sing two inputs, labor (L) and capital (K). The production function for good X is given by QX = 10L^0.5K^0.5, and the production function for good Y is given by QY = 5L^0.2K^0.8. If the firm has 100 units of labor and 50 units of capital, what is the marginal product of labor for good X?
A. 5
B. 10
C. 15
D. 20
Question 14
The demand for a product is given by the equation Qd = 100 - 2P, where Qd is the quantity demanded and P is the price. If the price elasticity of demand is -2, what is the percentage change in quantity demanded when the price increases by 10%?
A. 20%
B. 40%
C. 60%
D. 80%
Question 15
A central bank increases the money supply by 10%. If the velocity of money is 2, what is the percentage change in the price level?
A. 5%
B. 10%
C. 15%
D. 20%

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