POST UTME EKSU 2025 Economics | Objective
Practice these randomly selected questions to test your readiness.
Question 1
A country's GDP is given by the equation \( GDP = 1000 + 0.5Y \), where Y is the country's national income. If the country's national income is ₦5000, find the country's GDP.
Question 2
A firm's production function is given by Q = 2L^0.5K^0.5. If the firm's current output is 16 units, and it wants to increase its output to 25 units, what is the required increase in the capital stock?
Question 3
A firm produces two goods, X and Y, with the following \cost functions: C_X = 2X^2 + 3X + 1 and C_Y = X^2 + 2Y^2 + 4Y. If the firm produces 10 units of X and 5 units of Y, what is the total \cost of production?
Question 4
A country's inflation rate is 5% per annum, and its nominal interest rate is 10% per annum. What is the real interest rate in the country?
Question 5
A government imposes a tax of ₦5 per unit on a firm's output. The firm's supply curve is given by Q = 100 - 2P. What is the new supply curve after the tax?
Question 6
A firm produces a good u\sing two inputs, labor and capital. The production function is given by \( Q = 2L^{0.5}K^{0.5} \), where Q is the quantity produced, L is the amount of labor used, and K is the amount of capital used. If the firm uses 100 units of labor and 100 units of capital, find the marginal product of labor and the marginal product of capital.
Question 7
The Nigerian economy is experiencing a recession. The government has implemented a fiscal policy to stimulate economic growth. What is the likely effect of this policy on the aggregate demand curve?
Question 8
A firm's demand function is given by Q = 100 - 2P. If the firm's current price is 20 naira, what is the required change in price to increase the quantity demanded by 10 units?
Question 9
A firm's \cost function is given by C = 2L + 3K, where C is \cost, L is labor and K is capital. If the firm's current labor and capital inputs are 4 and 6 respectively, what is the firm's total \cost?
Question 10
A firm's production function is given by Q = 2K^\( 1/2 \)L^\( 1/2 \), where Q is output, K is capital, and L is labor. If the price of capital is ₦100 and the price of labor is ₦50, and the firm is currently u\sing 100 units of capital and 100 units of labor, what is the marginal product of labor?
Question 11
A firm's demand function is given by Qd = 100 - 2P, where Qd is the quantity demanded and P is the price. If the firm's supply function is given by Qs = 2P - 100, what is the equilibrium price and quantity?
Question 12
The demand for a good is given by the equation \( Q_d = 100 - 2P \), where Q_d is the quantity demanded and P is the price of the good. If the supply of the good is given by the equation \( Q_s = 50 + 3P \), find the equilibrium price and quantity.
Question 13
A central bank has a money supply of ₦1000 and a reserve requirement of 20%. If the bank wants to increase the money supply by 10%, find the new money supply.
Question 14
Consider a country with a production function given by Q = 100K^\( 1/2 \)L^\( 1/2 \), where Q is output, K is capital, and L is labor. If the price of capital is ₦100 and the price of labor is ₦50, and the country is currently u\sing 100 units of capital and 100 units of labor, what is the optimal level of output?
Question 15
Consider a consumer with a utility function ( U(x, y) = 2x + 3y ), where x and y are the quantities of two goods consumed. If the consumer's income is ₦1000 and the prices of the two goods are ₦5 and ₦10 respectively, find the consumer's optimal bundle of goods.
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