POST UTME KSU 2017 Economics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A monopolist faces a downward-sloping demand curve. What is the likely effect of an increase in the monopolist's fixed \costs?
A. The monopolist will produce more output.
B. The monopolist will produce less output.
C. The monopolist's output will remain unchanged.
D. The monopolist's output will become uncertain.
Question 2
A country's balance of payments is given by the equation BOP = X - M, where X is the value of exports and M is the value of imports. If the value of exports is ₦100 billion and the value of imports is ₦120 billion, what is the balance of payments?
A. ₦20 billion surplus
B. ₦20 billion deficit
C. ₦10 billion surplus
D. ₦10 billion deficit
Question 3
A country's GDP is given by the equation Y = C + I + G + \( X - M \), where Y is GDP, C is consumption, I is investment, G is government sp\ending, X is exports, and M is imports. If the country's GDP is $100 billion, consumption is $60 billion, investment is $20 billion, government sp\ending is $15 billion, exports are $30 billion, and imports are $20 billion, what is the value of the country's net exports?
A. $5 billion
B. $10 billion
C. $15 billion
D. $20 billion
Question 4
A firm's total revenue is given by the equation \( TR = 100x - 2x^2 \). If the firm's marginal revenue is ₦50, find the value of x.
A. 10
B. 20
C. 30
D. 40
Question 5
A firm's production function is given by Q = 2L^\( 1/2 \)K^\( 1/2 \), where Q is output, L is labor, and K is capital. If the firm wants to increase output by 20% while keeping labor cons\tant, what percentage increase in capital is required?
A. 10%
B. 20%
C. 30%
D. 40%
Question 6
A consumer's indifference curve is downward sloping and convex to the origin. What does this imply about the consumer's preferences?
A. The consumer is risk-averse.
B. The consumer is risk-neutral.
C. The consumer is risk-loving.
D. The consumer is indifferent to risk.
Question 7
A firm's revenue function is given by R(x) = 3x^2 - 2x + 5, where x is the number of units sold. If the firm sells 20 units, what is the total revenue?
A. ₦150
B. ₦200
C. ₦250
D. ₦300
Question 8
A central bank buys government securities from commercial banks. What is the likely effect on the money supply?
A. The money supply increases.
B. The money supply decreases.
C. The money supply remains unchanged.
D. The money supply becomes uncertain.
Question 9
A consumer's indifference curve is represented by the equation ( u(x,y) = 3x + 2y ). 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. (100, 100)
B. (200, 50)
C. (50, 200)
D. (150, 150)
Question 10
A government's budget is given by the equation B = R - T, where B is the budget, R is the revenue, and T is the tax. If the revenue is ₦100 and the tax is ₦80, what is the budget?
A. ₦20
B. ₦30
C. ₦40
D. ₦50
Question 11
A country's balance of payments is given by the equation \( BOP = 100 - 2X + 3M \). If the country's imports are ₦500 and its exports are ₦200, find the country's balance of payments.
A. ₦100
B. ₦200
C. ₦300
D. ₦400
Question 12
A country's balance of payments is given by the equation BOP = X - M, where BOP is the balance of payments, X is the value of exports, and M is the value of imports. If the value of exports is ₦100 and the value of imports is ₦80, what is the balance of payments?
A. ₦20
B. ₦30
C. ₦40
D. ₦50
Question 13
Consider a market with a demand function Qd = 100 - 2P and a supply function Qs = 2P. If the market is initially in equilibrium at a price of 20, and the government imposes a tax of 5 on the suppliers, what will be the new equilibrium price and quantity?
A. P = 25, Q = 75
B. P = 30, Q = 70
C. P = 35, Q = 65
D. P = 40, Q = 60
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 0.5, what is the percentage change in quantity demanded when the price increases by 10%?
A. 5%
B. 10%
C. 15%
D. 20%
Question 15
A firm's total revenue is given by the equation TR = 100q - 2q^2, where q is the quantity sold. If the firm's marginal revenue is 50, find the quantity at which the firm's total revenue is maximized.
A. 20
B. 30
C. 40
D. 50

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