Practice post utme osustech economics 2023 Past Questions

Question 1

In a perfectly competitive market, the supply curve is upward-sloping and the demand curve is downward-sloping. What is the equilibrium price and quantity in this market?

A. ₦100, 1000 units

Correct B. ₦200, 500 units

C. ₦50, 2000 units

D. ₦150, 750 units

Correct Answer: B

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Question 2

A monopolist faces a demand curve given by Q = 100 - 2P. The monopolist's marginal \cost curve is given by MC = 10 + 2Q. What is the monopolist's profit-maximizing price and quantity?

Correct A. P = ₦50, Q = 25

B. P = ₦75, Q = 25

C. P = ₦25, Q = 50

D. P = ₦100, Q = 50

Correct Answer: A

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Question 3

A country's balance of payments is given by the following equation: BOP = X - M. If the country's exports (X) are ₦100 billion and imports (M) are ₦80 billion, what is the country's balance of payments?

Correct A. ₦20 billion surplus

B. ₦20 billion deficit

C. ₦10 billion surplus

D. ₦10 billion deficit

Correct Answer: A

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Question 4

A firm's production function is given by Q = 2L^0.5K^0.5. If the firm's labor (L) is 100 units and capital (K) is 400 units, what is the firm's output?

A. 200 units

B. 400 units

Correct C. 600 units

D. 800 units

Correct Answer: C

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Question 5

A country's economic growth rate is given by the following equation: GDP = C + I + G + X - M. If the country's consumption (C) is ₦500 billion, investment (I) is ₦200 billion, government sp\ending (G) is ₦300 billion, exports (X) are ₦100 billion, and imports (M) are ₦80 billion, what is the country's GDP?

Correct A. ₦1.2 trillion

B. ₦1.1 trillion

C. ₦1.0 trillion

D. ₦0.9 trillion

Correct Answer: A

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Question 6

A firm operating in a perfectly competitive market is faced with a downward-sloping demand curve. If the firm increases its output from 100 units to 120 units, and the price falls from ₦100 to ₦90, what is the opportunity \cost of producing the additional 20 units?

Correct A. ₦10

B. ₦20

C. ₦30

D. ₦40

Correct Answer: A

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Question 7

A government is considering a tax on a particular commodity. The tax is expected to reduce the quantity demanded of the commodity by 10%. If the initial price of the commodity is ₦50 and the initial quantity demanded is 100 units, what will be the new price of the commodity after the tax is imposed?

Correct A. ₦45

B. ₦50

C. ₦55

D. ₦60

Correct Answer: A

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Question 8

A firm is faced with the following total revenue and total \cost functions: TR = 100x - 2x^2 and TC = 50 + 20x + 3x^2. What is the profit-maximizing level of output?

A. 10

Correct B. 20

C. 30

D. 40

Correct Answer: B

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Question 9

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

A. ₦10 billion

Correct B. ₦20 billion

C. ₦30 billion

D. ₦40 billion

Correct Answer: B

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Question 10

A firm is operating in a monopoly market. The demand curve is given by the equation Qd = 100 - 2P, and the marginal revenue curve is given by the equation MR = 50 - 2Q. What is the profit-maximizing price?

A. ₦20

B. ₦30

C. ₦40

Correct D. ₦50

Correct Answer: D

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Question 11

A country's balance of payments is in equilibrium when the value of its imports equals the value of its exports. However, this equilibrium is not sustainable in the long run. What is the main reason for this?

Correct A. The country's imports are not matched by an equivalent increase in exports.

B. The country's exports are not matched by an equivalent increase in imports.

C. The country's trade deficit is financed by foreign investment.

D. The country's trade surplus is financed by foreign investment.

Correct Answer: A

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Question 12

A firm is producing at a point on its production function where the marginal product of labor (MPL) is equal to the wage rate. However, the firm is not maximizing its profits. What is the main reason for this?

A. The firm is not producing at the optimal level of output.

B. The firm is not u\sing the optimal amount of capital.

C. The firm is not u\sing the optimal amount of labor.

Correct D. The firm is not u\sing the optimal combination of labor and capital.

Correct Answer: D

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Question 13

A consumer is faced with the following utility function: U(x, y) = 2x + 3y. The consumer's income is ₦1000, and the prices of x and y are ₦2 and ₦3, respectively. What is the consumer's optimal bundle of x and y?

A. x = 100, y = 100

Correct B. x = 150, y = 50

C. x = 200, y = 0

D. x = 0, y = 333

Correct Answer: B

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Question 14

A firm is a pure monopolist in a market where the demand curve is given by Qd = 100 - 2P. The firm's marginal \cost (MC) is cons\tant at ₦10. What is the firm's optimal price and quantity?

Correct A. P = ₦40, Q = 30

B. P = ₦50, Q = 25

C. P = ₦60, Q = 20

D. P = ₦70, Q = 15

Correct Answer: A

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Question 15

A country is experiencing a trade deficit due to a decline in its exports. What is the main reason for this?

A. The country's imports have increased.

Correct B. The country's exports have decreased.

C. The country's trade deficit is financed by foreign investment.

D. The country's trade surplus is financed by foreign investment.

Correct Answer: B

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Question 16

A firm is producing at a point on its production function where the marginal product of labor (MPL) is equal to the wage rate. However, the firm is not maximizing its profits. What is the main reason for this?

A. The firm is not producing at the optimal level of output.

B. The firm is not u\sing the optimal amount of capital.

C. The firm is not u\sing the optimal amount of labor.

Correct D. The firm is not u\sing the optimal combination of labor and capital.

Correct Answer: D

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Question 17

A consumer is faced with the following utility function: U(x, y) = 2x + 3y. The consumer's income is ₦1000, and the prices of x and y are ₦2 and ₦3, respectively. What is the consumer's optimal bundle of x and y?

A. x = 100, y = 100

Correct B. x = 150, y = 50

C. x = 200, y = 0

D. x = 0, y = 333

Correct Answer: B

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Question 18

A firm is a pure monopolist in a market where the demand curve is given by Qd = 100 - 2P. The firm's marginal \cost (MC) is cons\tant at ₦10. What is the firm's optimal price and quantity?

Correct A. P = ₦40, Q = 30

B. P = ₦50, Q = 25

C. P = ₦60, Q = 20

D. P = ₦70, Q = 15

Correct Answer: A

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Question 19

A consumer's utility function is given by ( U(x,y) = \sqrt{x^2 + y^2} ). If the consumer's income is ₦1000 and the prices of x and y are ₦5 and ₦3 respectively, find the optimal bundle of x and y u\sing the budget constraint.

Correct A. \( x = 40, y = 20 \)

B. \( x = 60, y = 10 \)

C. \( x = 80, y = 0 \)

D. \( x = 0, y = 33.33 \)

Correct Answer: A

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Question 20

A government imposes a tax of ₦10 on every unit of a good. The supply function of the good is given by \( Q = 2P - 10 \). Find the new equilibrium price and quantity after the tax is imposed.

A. \( P = 15, Q = 10 \)

Correct B. \( P = 20, Q = 15 \)

C. \( P = 25, Q = 20 \)

D. \( P = 30, Q = 25 \)

Correct Answer: B

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Question 21

A firm has a \cost function given by ( C(x) = 2x^2 + 10x + 5 ) and a revenue function given by ( R(x) = 3x^2 - 5x + 2 ). Find the break-even point.

Correct A. \( x = 5 \)

B. \( x = 10 \)

C. \( x = 15 \)

D. \( x = 20 \)

Correct Answer: A

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Question 22

A consumer's demand function for a good is given by \( Q = 100 - 2P \). If the price of the good is ₦20, find the consumer's surplus.

Correct A. ₦100

B. ₦200

C. ₦300

D. ₦400

Correct Answer: A

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Question 23

A firm's supply function is given by \( Q = 2P - 10 \). If the price of the good is ₦15, find the elasticity of supply.

A. 0.5

Correct B. 1

C. 2

D. 3

Correct Answer: B

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Question 24

A firm's average total \cost curve intersects its average fixed \cost curve at the point where the average total \cost is equal to the average fixed \cost. What is the implication of this intersection on the firm's production decision?

A. The firm should increase production to take advantage of economies of scale.

B. The firm should decrease production to minimize \costs.

Correct C. The firm should maintain its current level of production.

D. The firm should increase production to minimize \costs.

Correct Answer: C

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Question 25

A country's GDP is ₦1,000,000,000,000. If the country's population is 200,000,000, what is the per capita income?

A. ₦5,000

Correct B. ₦10,000

C. ₦20,000

D. ₦50,000

Correct Answer: B

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POST UTME OSUSTECH 2023 Economics | Objective

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