POST UTME CALEB UNIVERSITY 2020 Economics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
Consider a firm operating in a perfectly competitive market with a production function given by Q = 2L^0.5K^0.5. If the price of the good is $10 and the wage rate is $5 per unit of labor, what is the optimal level of labor to employ?
A. 10 units
B. 20 units
C. 30 units
D. 40 units
Question 2
A firm's production function is given by Q = 100L^0.5K^0.5, where Q is output, L is labor, and K is capital. If the firm's labor and capital are increased by 20% and 15% respectively, what is the percentage change in output?
A. 10%
B. 12%
C. 15%
D. 18%
Question 3
A perfectly competitive market has a demand function P = 100 - 2Q and a supply function P = 20 + Q. What is the equilibrium price and quantity?
A. P = 60, Q = 20
B. P = 70, Q = 30
C. P = 80, Q = 40
D. P = 90, Q = 50
Question 4
A bank has a reserve requirement of 10% and a cash reserve of $100 million. If it receives a new deposit of $50 million, what is the maximum amount of new loans it can make?
A. $400 million
B. $450 million
C. $500 million
D. $550 million
Question 5
A consumer's budget constraint is given by 2x + 3y = 12, where x is the quantity of good X and y is the quantity of good Y. If the consumer's income increases by 20%, what is the new budget constraint?
A. 4x + 6y = 24
B. 6x + 9y = 36
C. 8x + 12y = 48
D. 10x + 15y = 60
Question 6
A consumer's indifference curve is given by U = 2x + 3y. If the consumer's current consumption bundle is (x, y) = (2, 3), what is the marginal rate of substitution?
A. 1
B. 2
C. 3
D. 4
Question 7
A firm's production function is given by Q = 100L^0.5K^0.5, where Q is output, L is labor, and K is capital. If the firm's labor and capital are increased by 20% and 15% respectively, what is the new production function?
A. Q = 120L^0.5K^0.5
B. Q = 125L^0.5K^0.5
C. Q = 130L^0.5K^0.5
D. Q = 135L^0.5K^0.5
Question 8
A country's balance of payments account shows a trade deficit of $100 million and a capital account surplus of $50 million. What is the overall balance of payments position?
A. Trade deficit of $50 million
B. Trade surplus of $50 million
C. Capital account surplus of $50 million
D. Overall balance of payments deficit of $50 million
Question 9
Consider a country with a balance of payments deficit. Which of the following would be a consequence of this deficit?
A. Increased foreign investment
B. Decreased domestic consumption
C. Reduced exchange rate
D. Increased trade deficit
Question 10
A country's balance of payments is given by the following equation: BOP = \( X - M \) + \( F - I \), where X is exports, M is imports, F is foreign investment, and I is domestic investment. If the country's exports are ₦500 billion, imports are ₦300 billion, foreign investment is ₦200 billion, and domestic investment is ₦100 billion, determine the balance of payments.
A. ₦300 billion
B. ₦400 billion
C. ₦500 billion
D. ₦600 billion
Question 11
A firm has a \cost function C(q) = 10q + 20, where q is the quantity produced. If the firm's revenue function is R(q) = 20q, what is the firm's profit-maximizing quantity?
A. q = 2
B. q = 3
C. q = 4
D. q = 5
Question 12
A firm's production function is given by Q = 2L^0.5K^0.5. If the firm's current inputs are L = 4 and K = 9, what is the total product of labor?
A. 8
B. 10
C. 12
D. 14
Question 13
A firm's \cost function is given by C(q) = 2q^2 + 10q + 5. If the firm produces 20 units of output, what is the total \cost of production?
A. ₦1500
B. ₦2000
C. ₦2500
D. ₦3000
Question 14
A government imposes a tax on a firm's output. The firm's supply curve shifts to the left. What is the effect on the equilibrium price?
A. Increase
B. Decrease
C. No change
D. Indeterminate
Question 15
A firm's production function is given by Q = 2L^0.5K^0.5, where Q is output, L is labor, and K is capital. If the firm has 100 units of labor and 200 units of capital, determine the output.
A. 100 units
B. 200 units
C. 300 units
D. 400 units

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