POST UTME SUMMIT UNIVERSITY 2023 Economics | Objective

Are you preparing for POST UTME SUMMIT UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2023 Economics (Objective) questions designed to simulate the real exam environment.

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Question 1
Consider a firm operating in a perfectly competitive market with a production function Q = 2L^0.5K^0.5. If the price of the good is P = 10, and the firm's \cost function is C = 2L + 3K, what is the firm's profit-maximizing level of output?
A. 20
Correct B. 30
C. 40
D. 50

Correct Answer: B

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Question 2
A country experiences a 10% increase in the money supply. If the velocity of money is 2, what is the expected effect on the price level?
A. 5% increase
Correct B. 10% increase
C. 15% increase
D. 20% increase

Correct Answer: B

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Question 3
A monopolist faces a demand curve given by Q = 100 - 2P. If the firm's marginal \cost is MC = 10, what is the profit-maximizing price?
A. 20
Correct B. 30
C. 40
D. 50

Correct Answer: B

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Question 4
A firm has a production function Q = 2L^0.5K^0.5. If the price of the good is P = 10, and the firm's \cost function is C = 2L + 3K, what is the firm's profit-maximizing level of output?
A. 20
Correct B. 30
C. 40
D. 50

Correct Answer: B

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Question 5
A country experiences a 10% increase in the money supply. If the velocity of money is 2, what is the expected effect on the price level?
A. 5% increase
Correct B. 10% increase
C. 15% increase
D. 20% increase

Correct Answer: B

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Question 6
A firm's \cost function is given by C(x) = 2x^2 + 10x + 5. If the firm produces 25 units, what is the total \cost?
A. ₦625
B. ₦6250
Correct C. ₦62500
D. ₦625000

Correct Answer: C

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Question 7
A country's GDP is ₦100 billion, and its GNP is ₦120 billion. What is the net factor income from abroad?
Correct A. ₦20 billion
B. ₦20 billion
C. ₦20 billion
D. ₦20 billion

Correct Answer: A

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Question 8
A consumer's utility function is given by U(x, y) = 2x^0.5y^0.5. If the consumer has a budget of ₦100 and the prices of x and y are ₦5 and ₦10 respectively, what is the optimal bundle of x and y?
Correct A. x = 10, y = 10
B. x = 20, y = 5
C. x = 5, y = 20
D. x = 10, y = 20

Correct Answer: A

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Question 9
A firm's demand function is given by Q = 100 - 2P. If the price elasticity of demand is -2, what is the price at which the firm should sell its product?
A. ₦20
B. ₦30
Correct C. ₦40
D. ₦50

Correct Answer: C

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Question 10
A country's economic growth rate is 5% per annum. If the country's GDP is ₦100 billion, what is the increase in GDP after 5 years?
A. ₦5 billion
B. ₦10 billion
C. ₦15 billion
Correct D. ₦20 billion

Correct Answer: D

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Question 11
A country's GDP is ₦10 trillion, and its GNP is ₦12 trillion. What is the net factor income from abroad?
Correct A. ₦2 trillion
B. ₦1 trillion
C. ₦3 trillion
D. ₦4 trillion

Correct Answer: A

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Question 12
A monopolistically competitive firm faces a demand curve given by Q = 100 - 2P. If the firm's marginal revenue (MR) is given by MR = 200 - 4Q, what is the firm's optimal price?
A. ₦50
B. ₦60
Correct C. ₦70
D. ₦80

Correct Answer: C

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Question 13
A country's balance of payments is given by the following equation: BOP = \( X - M \) + \( F - I \). If the country's exports (X) are ₦100 billion, imports (M) are ₦80 billion, foreign investment (F) is ₦20 billion, and domestic investment (I) is ₦15 billion, what is the country's balance of payments?
A. ₦5 billion
B. ₦10 billion
Correct C. ₦15 billion
D. ₦20 billion

Correct Answer: C

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Question 14
A country's government budget is given by the following equation: G = T + I + B. If the country's government sp\ending (G) is ₦50 billion, taxes (T) are ₦30 billion, and interest payments (I) are ₦10 billion, what is the country's budget balance?
A. ₦5 billion
B. ₦10 billion
C. ₦15 billion
Correct D. ₦20 billion

Correct Answer: D

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Question 15
A perfectly competitive firm faces a demand curve given by Q = 100 - 2P. If the firm's marginal revenue (MR) is given by MR = 200 - 4Q, what is the firm's optimal quantity?
A. 50 units
B. 60 units
Correct C. 70 units
D. 80 units

Correct Answer: C

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Question 16
The Nigerian government has implemented policies to promote agricultural development. Which of the following is a likely consequence of these policies?
Correct A. Increased food production
B. Reduced agricultural subsidies
C. Increased agricultural exports
D. Decreased agricultural employment

Correct Answer: A

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Question 17
A firm's revenue function is given by R(x) = 2x^2 + 5x + 1. If the firm's marginal revenue is 10, find the value of x.
A. 1
Correct B. 2
C. 3
D. 4

Correct Answer: B

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Question 18
A consumer's utility function is given by U(x, y) = 2x + 3y. If the consumer's income is ₦1000 and the prices of x and y are ₦5 and ₦10 respectively, find the optimal bundle of x and y.
Correct A. x = 100, y = 50
B. x = 50, y = 100
C. x = 200, y = 0
D. x = 0, y = 200

Correct Answer: A

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Question 19
The Nigerian government has implemented a policy to reduce inflation. Which of the following is a likely consequence of this policy?
A. Increased money supply
B. Reduced aggregate demand
C. Increased interest rates
Correct D. Decreased inflation rate

Correct Answer: D

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Question 20
A firm's \cost function is given by C(x) = 2x^2 + 5x + 1. If the firm's revenue function is R(x) = 3x^2 + 2x + 1, find the profit function.
A. x^2 + 4x + 2
Correct B. 2x^2 + 3x + 1
C. x^2 + 2x + 1
D. 3x^2 + x + 1

Correct Answer: B

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Question 21
A firm operating in a perfectly competitive market is characterized by which of the following?
A. A \single price maker
Correct B. Many buyers and sellers
C. A large market share
D. A high degree of product differentiation

Correct Answer: B

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Question 22
The opportunity \cost of producing one more unit of a good is the
A. Marginal Benefit
Correct B. Marginal Cost
C. Average Cost
D. Average Revenue

Correct Answer: B

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Question 23
A firm's production function is given by Q = 2L^\( 1/2 \)K^\( 1/2 \). If the firm's current labor and capital inputs are 4 and 9 respectively, what is the marginal product of labor?
Correct A. 1/2
B. 1
C. 2
D. 3

Correct Answer: A

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Question 24
A monopolist faces a demand curve given by P = 100 - 2Q. The monopolist's marginal \cost is 20. What is the profit-maximizing quantity?
A. 10
Correct B. 20
C. 30
D. 40

Correct Answer: B

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Question 25
A country's GDP is given by the equation Y = C + I + G + \( X - M \). If the country's consumption, investment, government sp\ending, exports, and imports are 100, 20, 30, 40, and 10 respectively, what is the country's GDP?
A. 180
B. 200
Correct C. 220
D. 240

Correct Answer: C

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