Practice Post UTME AAUA economics 2024 Past Questions

Question 1

Consider a perfectly competitive market with 5 firms, each producing a homogeneous good. If the market demand curve is downward sloping and the firms are price takers, what is the relationship between the market supply curve and the individual firm's supply curve?

A. The market supply curve is steeper than the individual firm's supply curve.

B. The market supply curve is flatter than the individual firm's supply curve.

Correct C. The market supply curve is identical to the individual firm's supply curve.

D. The market supply curve is vertical while the individual firm's supply curve is horizontal.

Correct Answer: C

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Question 2

A monopolist faces a market demand curve given by Qd = 100 - 2P and a \cost function C(Q) = 10Q + 100. U\sing the first-order condition for profit maximization, find the monopolist's optimal price and quantity.

A. P = 50, Q = 25

Correct B. P = 75, Q = 20

C. P = 60, Q = 30

D. P = 40, Q = 40

Correct Answer: B

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Question 3

A firm's production function is given by Q = 2L^0.5K^0.5. If the firm's current input levels are L = 16 and K = 9, what is the firm's current output level?

A. 24

Correct B. 36

C. 48

D. 60

Correct Answer: B

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Question 4

A country's GDP is given by the equation GDP = C + I + G + $ X - M $. If the country's current GDP is ₦1,500 billion, its consumption is ₦800 billion, its investment is ₦200 billion, its government sp\ending is ₦300 billion, its exports are ₦400 billion, and its imports are ₦200 billion, what is the country's current trade balance?

A. ₦200 billion

B. ₦300 billion

Correct C. ₦400 billion

D. ₦500 billion

Correct Answer: C

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Question 5

A firm's demand curve is given by Qd = 100 - 2P. If the firm's current price is ₦50, what is the firm's current quantity demanded?

A. 25

Correct B. 50

C. 75

D. 100

Correct Answer: B

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Question 6

Consider a perfectly competitive market with n firms, each producing a homogeneous product. If the market demand curve is downward sloping, what is the likely effect on the market supply curve if the number of firms increases?

A. The market supply curve shifts to the left.

Correct B. The market supply curve shifts to the right.

C. The market supply curve remains unchanged.

D. The market supply curve becomes vertical.

Correct Answer: B

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Question 7

A monopolistically competitive firm faces a downward-sloping demand curve. If the firm increases its price, what will happen to its revenue?

A. Revenue will increase.

Correct B. Revenue will decrease.

C. Revenue will remain unchanged.

D. Revenue will become negative.

Correct Answer: B

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Question 8

A government imposes a tax on a particular good. If the tax is passed on to the consumer, what will happen to the consumer's surplus?

A. Consumer's surplus will increase.

Correct B. Consumer's surplus will decrease.

C. Consumer's surplus will remain unchanged.

D. Consumer's surplus will become negative.

Correct Answer: B

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Question 9

A firm is considering two different production techno\logies: one that is labor-intensive and another that is capital-intensive. If the firm chooses the labor-intensive techno\logy, what will happen to its labor \costs?

A. Labor \costs will increase.

Correct B. Labor \costs will decrease.

C. Labor \costs will remain unchanged.

D. Labor \costs will become negative.

Correct Answer: B

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Question 10

A country is experiencing a recession. If the government increases its sp\ending, what will happen to the aggregate demand curve?

A. Aggregate demand curve will shift to the left.

Correct B. Aggregate demand curve will shift to the right.

C. Aggregate demand curve will remain unchanged.

D. Aggregate demand curve will become vertical.

Correct Answer: B

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Question 11

A monopolistically competitive firm faces a demand curve with the following equation: 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. ₦75

Correct C. ₦100

D. ₦125

Correct Answer: C

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Question 12

A consumer's utility function is given by U(x, y) = 2x + 3y. If the consumer's budget constraint is 10x + 20y = 100, what is the consumer's optimal bundle of x and y?

Correct A. x = 2, y = 3

B. x = 3, y = 2

C. x = 4, y = 1

D. x = 1, y = 4

Correct Answer: A

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Question 13

A firm's production function is given by Q = 2L^0.5K^0.5. If the firm's \cost function is given by C = 10L + 20K, what is the firm's optimal level of labor (L) and capital (K)?

Correct A. L = 4, K = 9

B. L = 9, K = 4

C. L = 16, K = 1

D. L = 1, K = 16

Correct Answer: A

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Question 14

A country's balance of payments is given by the following equation: BOP = X - M. If the country's exports (X) are given by X = 100 + 2Y and its imports (M) are given by M = 50 + 3Y, what is the country's balance of payments (BOP) when Y = 10?

A. ₦50

B. ₦100

Correct C. ₦150

D. ₦200

Correct Answer: C

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Question 15

A monopolist's demand curve is 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. ₦75

Correct C. ₦100

D. ₦125

Correct Answer: C

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Question 16

A consumer's utility function is given by U(x, y) = 2x + 3y. If the consumer's budget constraint is 10x + 20y = 100, what is the consumer's optimal bundle of x and y?

Correct A. x = 2, y = 3

B. x = 3, y = 2

C. x = 4, y = 1

D. x = 1, y = 4

Correct Answer: A

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Question 17

A firm's production function is given by Q = 2L^0.5K^0.5. If the firm's \cost function is given by C = 10L + 20K, what is the firm's optimal level of labor (L) and capital (K)?

Correct A. L = 4, K = 9

B. L = 9, K = 4

C. L = 16, K = 1

D. L = 1, K = 16

Correct Answer: A

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Question 18

A country's balance of payments is given by the following equation: BOP = X - M. If the country's exports (X) are given by X = 100 + 2Y and its imports (M) are given by M = 50 + 3Y, what is the country's balance of payments (BOP) when Y = 10?

A. ₦50

B. ₦100

C. ₦150

D. ₦200

Correct Answer: VIEW ANSWER

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Question 19

The government of a country decides to implement a policy of reducing the tax rate on a particular good. If the demand for the good is inelastic, what will be the effect on the government's revenue?

A. The government's revenue will increase

Correct B. The government's revenue will decrease

C. The government's revenue will remain the same

D. The effect on the government's revenue is uncertain

Correct Answer: B

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Question 20

A firm is producing a good with a production function of Q = 2L^0.5K^0.5. If the price of the good is $10 and the price of labor is $5, what is the optimal level of labor to hire?

A. 10 units

B. 20 units

Correct C. 30 units

D. 40 units

Correct Answer: C

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Question 21

A consumer has a utility function of U = 2x + 3y. If the prices of x and y are $5 and $10 respectively, and the consumer has a budget of $50, what is the optimal bundle of x and y to consume?

A. x = 5, y = 2

Correct B. x = 10, y = 5

C. x = 15, y = 10

D. x = 20, y = 15

Correct Answer: B

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Question 22

A country's GDP is $100 billion, its GNP is $120 billion, and its national income is $150 billion. What is the country's net factor income from abroad?

A. $10 billion

B. $20 billion

Correct C. $30 billion

D. $40 billion

Correct Answer: C

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Question 23

A firm is producing a good with a production function of Q = 2L^0.5K^0.5. If the price of the good is $10 and the price of labor is $5, what is the optimal level of capital to hire?

A. 10 units

B. 20 units

C. 30 units

Correct D. 40 units

Correct Answer: D

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Question 24

A consumer has a utility function of U = 2x + 3y. If the prices of x and y are $5 and $10 respectively, and the consumer has a budget of $50, what is the optimal bundle of x and y to consume?

A. x = 5, y = 2

Correct B. x = 10, y = 5

C. x = 15, y = 10

D. x = 20, y = 15

Correct Answer: B

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Question 25

A country's GDP is $100 billion, its GNP is $120 billion, and its national income is $150 billion. What is the country's net factor income from abroad?

A. $10 billion

B. $20 billion

Correct C. $30 billion

D. $40 billion

Correct Answer: C

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