POST UTME DELSU 2023 Economics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A firm's demand for raw materials is given by the equation Q = 100 - 2P, where Q 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. 10%
C. 5%
D. 15%
Question 2
A country's GDP is given by the equation GDP = C + I + G + \( X - M \), where C is consumption, I is investment, G is government sp\ending, X is exports, and M is imports. If the country's GDP is ₦5 trillion, consumption is ₦1.5 trillion, investment is ₦500 billion, government sp\ending is ₦1 trillion, exports are ₦2 trillion, and imports are ₦1.5 trillion, what is the value of X?
A. ₦2.5 trillion
B. ₦3 trillion
C. ₦3.5 trillion
D. ₦4 trillion
Question 3
A government imposes a tax of 10% on a good. If the demand for the good is given by Q = 100 - 2P and the price elasticity of demand is -2, what is the effect on the government's revenue?
A. Increase by 20%
B. Decrease by 10%
C. Increase by 10%
D. Decrease by 20%
Question 4
The National Bureau of Statistics (NBS) has reported that the Gross Domestic Product (GDP) of Nigeria has increased by 3% in the last quarter. If the GDP was ₦10,000,000 in the previous quarter, what is the GDP in the current quarter?
A. ₦10,300,000
B. ₦10,500,000
C. ₦10,700,000
D. ₦10,900,000
Question 5
A country's balance of payments is given by the 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 balance of payments is a surplus of ₦500 billion, exports are ₦2 trillion, imports are ₦1.5 trillion, foreign investment is ₦1 trillion, and domestic investment is ₦500 billion, what is the value of F?
A. ₦1.5 trillion
B. ₦1.6 trillion
C. ₦1.7 trillion
D. ₦1.8 trillion
Question 6
A consumer's utility function is given by U = 2x + 3y, where x and y are the quantities of two goods. If the consumer's income is 100 naira and the prices of the two goods are 5 naira and 10 naira respectively, what is the consumer's optimal bundle?
A. x = 10, y = 20
B. x = 20, y = 10
C. x = 15, y = 15
D. x = 5, y = 5
Question 7
A firm's demand curve for a product is given by Q = 100 - 2P, where Q is the quantity demanded and P is the price. If the firm's current price is $20, what is the firm's current quantity demanded?
A. 40
B. 50
C. 60
D. 80
Question 8
A consumer's demand curve for a good is given by Q = 100 - 2P. The consumer's income is ₦1000. Find the consumer's optimal quantity and price.
A. ₦200
B. ₦250
C. ₦300
D. ₦350
Question 9
A firm's supply curve is given by Q = 2P + 10, where Q is the quantity supplied and P is the price. If the firm's current price is $20, what is the firm's current quantity supplied?
A. 50
B. 60
C. 70
D. 80
Question 10
A firm produces two goods, x and y, u\sing two inputs, labor (L) and capital (K). The production function is given by x = 2L^0.5K^0.5 and y = 3L^0.5K^0.5. If the firm has 100 units of labor and 50 units of capital, what is the maximum output of good x?
A. 200
B. 250
C. 300
D. 350
Question 11
A firm's demand function for a good 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?
A. (50, 150)
B. (100, 200)
C. (150, 250)
D. (200, 300)
Question 12
A firm's total revenue is given by the equation TR = 100x - 2x^2, where x is the number of units sold. If the firm sells 20 units, what is its total revenue?
A. ₦1,600
B. ₦1,800
C. ₦2,000
D. ₦2,200
Question 13
The demand for a product is given by the equation Qd = 100 - 2P, where Qd is the quantity demanded and P is the price. The supply of the product is given by the equation Qs = 2P - 100, where Qs is the quantity supplied and P is the price. What is the equilibrium price?
A. ₦50
B. ₦75
C. ₦100
D. ₦125
Question 14
A central bank increases the money supply in an economy by buying government bonds from commercial banks. What is the effect on the money multiplier?
A. Increases
B. Decreases
C. Remains the same
D. Cannot be determined
Question 15
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's current labor and capital inputs are L = 16 and K = 9, respectively, what is the firm's current output?
A. 24
B. 32
C. 48
D. 64

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