Practice Post UTME SKYLINE UNIVERSITY economics 2023 Past Questions

Question 1

In a perfectly competitive market, if the demand for a commodity increases, what happens to the equilibrium price and quantity?

A. Equilibrium price increases and quantity decreases

Correct B. Equilibrium price decreases and quantity increases

C. Equilibrium price remains the same and quantity increases

D. Equilibrium price increases and quantity remains the same

Correct Answer: B

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Question 2

A firm is operating in the short run and has a total \cost function given by TC = 100 + 2Q + 0.5Q^2. If the firm's output is 10 units, what is the marginal \cost?

A. 5

Correct B. 10

C. 15

D. 20

Correct Answer: B

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Question 3

A diagram shows a downward-sloping demand curve and an upward-sloping supply curve. If the price elasticity of demand is 0.5 and the price elasticity of supply is 2, what is the likely outcome?

A. Price increases and quantity decreases

Correct B. Price decreases and quantity increases

C. Price remains the same and quantity increases

D. Price increases and quantity increases

Correct Answer: B

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Question 4

A firm is considering investing in a new project with an initial \cost of ₦100,000 and expected returns of ₦120,000 per year. If the firm's discount rate is 10%, what is the net present value of the project?

A. ₦20,000

Correct B. ₦30,000

C. ₦40,000

D. ₦50,000

Correct Answer: B

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Question 5

A diagram shows a firm's average \cost curve and marginal \cost curve. If the firm's output is 20 units, what is the likely outcome?

A. Price increases and quantity decreases

B. Price decreases and quantity increases

Correct C. Price remains the same and quantity increases

D. Price increases and quantity increases

Correct Answer: C

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Question 6

Consider a country with a GDP of ₦10 trillion and a population of 200 million. If the average annual income is ₦50,000, what is the country's GDP per capita?

A. ₦25,000

Correct B. ₦50,000

C. ₦100,000

D. ₦200,000

Correct Answer: B

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Question 7

A firm's demand function is given by 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 if the price increases by 10%?

Correct A. -20%

B. -10%

C. 0%

D. 10%

Correct Answer: A

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Question 8

A central bank increases the money supply by 10%. If the initial money supply is ₦1 trillion, what is the new money supply?

A. ₦1.1 trillion

Correct B. ₦1.2 trillion

C. ₦1.3 trillion

D. ₦1.4 trillion

Correct Answer: B

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Question 9

A country's national income is calculated u\sing the formula Y = C + I + G + $ X - M $, where Y is the national income, C is the consumption, I is the investment, G is the government sp\ending, X is the exports, and M is the imports. If the consumption is ₦5 trillion, the investment is ₦2 trillion, the government sp\ending is ₦1 trillion, the exports are ₦3 trillion, and the imports are ₦2 trillion, what is the national income?

A. ₦10 trillion

B. ₦11 trillion

Correct C. ₦12 trillion

D. ₦13 trillion

Correct Answer: C

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Question 10

A firm's supply function is given by Q = 50 + 2P, where Q is the quantity supplied and P is the price. If the price elasticity of supply is 2, what is the percentage change in quantity supplied if the price increases by 10%?

A. 10%

Correct B. 20%

C. 30%

D. 40%

Correct Answer: B

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Question 11

A firm's production function is given by Q = 2L^0.5H^0.5, where Q is output, L is labor, and H is capital. If the firm's current labor and capital inputs are L = 4 and H = 9, respectively, what is the marginal product of labor (MPL) when the firm is producing at this level of inputs?

A. 1.5

Correct B. 2.5

C. 3.5

D. 4.5

Correct Answer: B

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Question 12

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 2x + 3y = 12, and the prices of the two goods are $2 and $3, respectively, what is the consumer's optimal bundle of goods?

Correct A. x = 3, y = 2

B. x = 2, y = 3

C. x = 4, y = 1

D. x = 1, y = 4

Correct Answer: A

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Question 13

A firm's \cost function is given by C = 2L + 3H, where C is \cost, L is labor, and H is capital. If the firm's current labor and capital inputs are L = 4 and H = 9, respectively, what is the firm's total \cost?

A. ₦24

Correct B. ₦36

C. ₦48

D. ₦60

Correct Answer: B

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Question 14

A country's balance of payments is given by BOP = X - M, where BOP is the balance of payments, X is exports, and M is imports. If the country's current exports and imports are X = $100 and M = $80, respectively, what is the country's balance of payments?

Correct A. $20

B. $30

C. $40

D. $50

Correct Answer: A

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Question 15

A firm's production function is given by Q = 2L^0.5H^0.5, where Q is output, L is labor, and H is capital. If the firm's current labor and capital inputs are L = 4 and H = 9, respectively, what is the firm's output?

A. 6

B. 8

Correct C. 10

D. 12

Correct Answer: C

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Question 16

A firm's production function exhibits cons\tant returns to scale. If the firm's current output is 100 units and the price of the input is ₦10 per unit, what is the minimum \cost of producing 200 units of output?

A. ₦2000

Correct B. ₦4000

C. ₦6000

D. ₦8000

Correct Answer: B

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Question 17

A government budget is prepared to finance a public project that requires ₦1.5 billion. The government has two sources of revenue: taxes and grants. If the government expects to collect ₦1.2 billion in taxes and ₦0.3 billion in grants, what is the budget deficit?

Correct A. ₦0.3 billion

B. ₦0.5 billion

C. ₦0.7 billion

D. ₦1.0 billion

Correct Answer: A

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Question 18

A firm's \cost function is given by C(x) = 2x^2 + 10x + 5. If the firm's current output is 5 units, what is the marginal \cost?

A. ₦15

Correct B. ₦20

C. ₦25

D. ₦30

Correct Answer: B

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Question 19

A government is considering a policy to increase agricultural production. If the policy is expected to increase output by 20% and the price of the output is ₦50 per unit, what is the increase in revenue?

A. ₦10 million

Correct B. ₦20 million

C. ₦30 million

D. ₦40 million

Correct Answer: B

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Question 20

A firm's revenue function is given by R(x) = 3x^2 - 2x + 1. If the firm's current output is 4 units, what is the marginal revenue?

A. ₦10

B. ₦15

Correct C. ₦20

D. ₦25

Correct Answer: C

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Question 21

The concept of scarcity in economics implies that the production of one good is limited by the availability of resources, which can be allocated to other goods. This is an example of a trade-off between two goods. Which of the following is a correct statement about the opportunity \cost of producing one good?

Correct A. The opportunity \cost is the value of the next best alternative good that could have been produced with the same resources.

B. The opportunity \cost is the value of the good that is given up when producing another good.

C. The opportunity \cost is the value of the good that is produced in excess of the demand.

D. The opportunity \cost is the value of the good that is not produced at all.

Correct Answer: A

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Question 22

Agricultural development in Nigeria has been hindered by the lack of access to credit facilities for farmers. Which of the following is a correct statement about the impact of credit constraints on agricultural production?

Correct A. Credit constraints lead to a decrease in agricultural production due to the inability to purchase inputs.

B. Credit constraints lead to an increase in agricultural production due to the ability to purchase inputs.

C. Credit constraints have no impact on agricultural production.

D. Credit constraints lead to a decrease in agricultural production due to the inability to purchase equipment.

Correct Answer: A

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Question 23

The demand for a product is elastic if the percentage change in quantity demanded is greater than the percentage change in price. Which of the following is a correct statement about the elasticity of demand?

A. The demand for a product is elastic if the percentage change in quantity demanded is less than the percentage change in price.

Correct B. The demand for a product is elastic if the percentage change in quantity demanded is greater than the percentage change in price.

C. The demand for a product is inelastic if the percentage change in quantity demanded is greater than the percentage change in price.

D. The demand for a product is inelastic if the percentage change in quantity demanded is less than the percentage change in price.

Correct Answer: B

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Question 24

The concept of consumer behavior in economics implies that consumers make rational decisions based on their preferences and budget constraints. Which of the following is a correct statement about consumer behavior?

A. Consumers make irrational decisions based on their preferences and budget constraints.

Correct B. Consumers make rational decisions based on their preferences and budget constraints.

C. Consumers make decisions based on their income and wealth.

D. Consumers make decisions based on their age and occupation.

Correct Answer: B

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Question 25

The concept of industrialization in Nigeria has been hindered by the lack of access to techno\logy and infrastructure. Which of the following is a correct statement about the impact of techno\logy and infrastructure on industrialization?

A. Techno\logy and infrastructure have no impact on industrialization.

Correct B. Techno\logy and infrastructure lead to an increase in industrialization.

C. Techno\logy and infrastructure lead to a decrease in industrialization.

D. Techno\logy and infrastructure have a mixed impact on industrialization.

Correct Answer: B

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