POST UTME BELLS UNIVERSITY 2023 Economics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A country's government is considering a tax on imports. The tax rate is 10% of the import value. If the country imports goods worth $100 million, what is the expected revenue from the tax?
A. ₦10 million
B. ₦100 million
C. ₦1 billion
D. ₦10 billion
Question 2
Consider a perfectly competitive market with n firms, each producing a homogeneous product. If the market demand curve is given by Qd = 100 - 2P and the inverse supply curve is given by Qs = 2P - 20, what is the equilibrium price and quantity?
A. \( P = 30, Q = 40 \)
B. \( P = 20, Q = 60 \)
C. \( P = 10, Q = 80 \)
D. \( P = 40, Q = 30 \)
Question 3
A consumer's utility function is given by U = 2x + 3y, where x and y are the quantities of two goods consumed. If the consumer's budget constraint is given by 2x + 3y = $100, what is the consumer's optimal bundle of goods?
A. x = 20, y = 10
B. x = 30, y = 20
C. x = 40, y = 30
D. x = 50, y = 40
Question 4
A central bank uses open market operations to increase the money supply. Which of the following is a correct effect of this action?
A. The interest rate will decrease, and the exchange rate will appreciate.
B. The interest rate will increase, and the exchange rate will depreciate.
C. The money supply will increase, and the interest rate will decrease.
D. The money supply will decrease, and the interest rate will increase.
Question 5
A government's budget is given by the following equation: Budget = Taxation + Borrowing, where Taxation is the amount of taxes collected and Borrowing is the amount of money borrowed. If the amount of taxes collected is $50 million and the amount of money borrowed is $20 million, what is the government's budget?
A. $30 million
B. $40 million
C. $50 million
D. $60 million
Question 6
A country's balance of payments account shows a trade deficit of ₦500 billion and a current account deficit of ₦300 billion. What is the value of the capital account surplus?
A. ₦200 billion
B. ₦300 billion
C. ₦400 billion
D. ₦500 billion
Question 7
A consumer's utility function is given by U = 3x + 2y, where x and y are the quantities of two goods consumed. If the consumer's budget constraint is given by 3x + 2y = $100, what is the consumer's optimal bundle of goods?
A. x = 20, y = 10
B. x = 30, y = 20
C. x = 40, y = 30
D. x = 50, y = 40
Question 8
A firm's supply curve is given by Q = 2P + 10, where Q is the quantity supplied and P is the price. If the price elasticity of supply is calculated at a point where the quantity supplied is 30 units, what is the price elasticity of supply?
A. 0.5
B. 1
C. 2
D. 3
Question 9
A country's money supply is given by M = 1000 + 5Y. If the country's income is ₦1,000,000,000, what is the value of the country's money supply?
A. ₦1,500,000,000
B. ₦1,600,000,000
C. ₦1,700,000,000
D. ₦1,800,000,000
Question 10
A firm's \cost function is given by C(q) = 2q^2 + 10q + 5. If the firm produces 10 units of output, what is the total \cost of production?
A. ₦250
B. ₦300
C. ₦350
D. ₦400
Question 11
The Marshall-Lerner condition states that if the sum of the elasticities of demand for exports and imports is greater than 1, then a devaluation of the currency will lead to an improvement in the balance of payments. Which of the following is a correct interpretation of the Marshall-Lerner condition?
A. A devaluation of the currency will lead to a decrease in imports and an increase in exports.
B. A devaluation of the currency will lead to an increase in imports and a decrease in exports.
C. A devaluation of the currency will lead to an improvement in the balance of payments if the sum of the elasticities of demand for exports and imports is greater than 1.
D. A devaluation of the currency will lead to a decrease in exports and an increase in imports.
Question 12
A monopolist faces a market demand curve given by Qd = 100 - 2P and a marginal revenue function MR = 2P - 20. If the firm's marginal \cost is MC = 10, what is the profit-maximizing quantity and price?
A. \( Q = 30, P = 40 \)
B. \( Q = 20, P = 30 \)
C. \( Q = 10, P = 20 \)
D. \( Q = 40, P = 20 \)
Question 13
A country's GDP is ₦10 trillion, and its GNP is ₦12 trillion. If the country has a net factor income from abroad of ₦1.5 trillion, what is its net domestic product?
A. ₦8.5 trillion
B. ₦9 trillion
C. ₦9.5 trillion
D. ₦10 trillion
Question 14
A firm is facing a shortage of raw materials. The firm's production function is given by Q = 2L + 3K, where Q is the quantity produced, L is the labor input, and K is the capital input. If the firm wants to increase production by 10%, what is the required increase in labor input?
A. 5% increase
B. 10% increase
C. 15% increase
D. 20% increase
Question 15
A country's central bank is considering a monetary policy to reduce inflation. The central bank can either increase the reserve requirement or decrease the discount rate. Which policy is more effective in reducing inflation?
A. Increa\sing the reserve requirement
B. Decrea\sing the discount rate
C. Both policies are equally effective
D. Neither policy is effective

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