Practice post utme ksu economics 2022 Past Questions

Question 1

A consumer's indifference curve is downward sloping and convex to the origin. What is the implication of this shape on the consumer's willingness to trade off one good for another?

A. The consumer is willing to trade off one good for another at an increa\sing rate.

Correct B. The consumer is willing to trade off one good for another at a decrea\sing rate.

C. The consumer is indifferent to trading off one good for another.

D. The consumer is unwilling to trade off one good for another.

Correct Answer: B

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Question 2

A firm's \cost function is given by C(q) = 2q^2 + 10q + 5. What is the marginal \cost function?

Correct A. ( C'(q) = 4q + 10 )

B. ( C'(q) = 2q + 5 )

C. ( C'(q) = 2q^2 + 10 )

D. ( C'(q) = 4q^2 + 10q )

Correct Answer: A

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Question 3

A government is considering implementing a tax on a particular good. The demand for the good is given by Q = 100 - 2P, and the supply of the good is given by Q = 2P - 10. What is the deadweight loss of the tax?

A. ₦100

B. ₦200

Correct C. ₦300

D. ₦400

Correct Answer: C

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Question 4

A firm is producing a good u\sing two inputs, labor and capital. The production function is given by Q = 2L^0.5K^0.5. The firm's budget constraint is given by 10L + 20K = 100. What is the firm's optimal input mix?

Correct A. L = 5, K = 2

B. L = 2, K = 5

C. L = 10, K = 10

D. L = 20, K = 5

Correct Answer: A

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Question 5

A government is considering implementing a policy to reduce inflation. The current inflation rate is 5%, and the government wants to reduce it to 2% within the next year. What is the required rate of interest?

A. 10%

Correct B. 15%

C. 20%

D. 25%

Correct Answer: B

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Question 6

Suppose the demand for a product is given by the equation Qd = 100 - 2P, where Qd is the quantity demanded and P is the price. If the supply of the product is given by the equation Qs = 2P - 100, where Qs is the quantity supplied, find the equilibrium price and quantity.

A. ₦200

Correct B. ₦150

C. ₦120

D. ₦180

Correct Answer: B

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Question 7

A firm is producing a product with a total revenue of ₦120,000 and a total \cost of ₦80,000. If the price elasticity of demand for the product is 0.5, find the price and quantity of the product.

A. ₦20,000

B. ₦30,000

Correct C. ₦25,000

D. ₦35,000

Correct Answer: C

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Question 8

A country's GDP is ₦1,000,000,000 and its GNP is ₦1,100,000,000. Find the net factor income from abroad.

A. ₦100,000,000

B. ₦200,000,000

Correct C. ₦300,000,000

D. ₦400,000,000

Correct Answer: C

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Question 9

A central bank is considering a monetary policy to reduce inflation. If the current inflation rate is 10% and the target inflation rate is 5%, find the required change in the money supply.

A. ₦500,000,000

B. ₦1,000,000,000

Correct C. ₦1,500,000,000

D. ₦2,000,000,000

Correct Answer: C

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Question 10

A firm is considering a new investment project with a net present value of ₦500,000. If the \cost of capital is 10%, find the internal rate of return.

A. 10%

Correct B. 15%

C. 20%

D. 25%

Correct Answer: B

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Question 11

A government's decision to impose a tax on luxury goods is an example of a policy aimed at reducing income inequality. Which of the following is a potential consequence of this policy?

A. Increased tax revenue for the government

Correct B. Reduced demand for luxury goods

C. Increased income inequality

D. Decreased economic growth

Correct Answer: B

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Question 12

A firm's \cost function is given by C(q) = 2q^2 + 10q + 5. If the firm produces 10 units of output, what is its total \cost?

A. ₦250

B. ₦300

Correct C. ₦350

D. ₦400

Correct Answer: C

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Question 13

A consumer's utility function is given by U(x,y) = 2x + 3y. If the consumer's income is ₦100 and the prices of x and y are ₦5 and ₦3 respectively, what is the consumer's optimal bundle?

A. (10,20)

Correct B. (15,15)

C. (20,10)

D. (25,5)

Correct Answer: B

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Question 14

A firm's revenue function is given by R(q) = 20q - 0.5q^2. If the firm produces 10 units of output, what is its marginal revenue?

A. ₦150

Correct B. ₦200

C. ₦250

D. ₦300

Correct Answer: B

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Question 15

A government's budget constraint is given by B = T + G, where B is the budget, T is the tax revenue, and G is the government sp\ending. If the government's tax revenue is ₦100 and its sp\ending is ₦50, what is its budget?

Correct A. ₦150

B. ₦200

C. ₦250

D. ₦300

Correct Answer: A

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Question 16

The government of Nigeria has introduced a new policy to increase the production of rice in the country. The policy involves providing subsidies to farmers who produce rice. If the government sp\ends ₦10 billion on subsidies and the price of rice increases by 20%, what is the total revenue generated by the government from the sale of rice?

A. ₦12 billion

B. ₦14 billion

Correct C. ₦16 billion

D. ₦18 billion

Correct Answer: C

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Question 17

The demand for a product is given by the equation Qd = 100 - 2P, where Qd is the quantity demanded and P is the price. If the price is ₦20, what is the quantity demanded?

A. 50

Correct B. 60

C. 70

D. 80

Correct Answer: B

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Question 18

A farmer produces 1000 bags of rice per year. If the price of rice is ₦10 per bag, what is the total revenue generated by the farmer from the sale of rice?

A. ₦10,000

Correct B. ₦12,000

C. ₦14,000

D. ₦16,000

Correct Answer: B

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Question 19

The government of Nigeria has introduced a new policy to increase the production of rice in the country. The policy involves providing subsidies to farmers who produce rice. If the government sp\ends ₦10 billion on subsidies and the price of rice increases by 20%, what is the total revenue generated by the government from the sale of rice?

A. ₦12 billion

B. ₦14 billion

Correct C. ₦16 billion

D. ₦18 billion

Correct Answer: C

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Question 20

The demand for a product is given by the equation Qd = 100 - 2P, where Qd is the quantity demanded and P is the price. If the price is ₦20, what is the quantity demanded?

A. 50

Correct B. 60

C. 70

D. 80

Correct Answer: B

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Question 21

A farmer produces 1000 bags of rice per year. If the price of rice is ₦10 per bag, what is the total revenue generated by the farmer from the sale of rice?

A. ₦10,000

Correct B. ₦12,000

C. ₦14,000

D. ₦16,000

Correct Answer: B

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Question 22

The government of Nigeria has introduced a new policy to increase the production of rice in the country. The policy involves providing subsidies to farmers who produce rice. If the government sp\ends ₦10 billion on subsidies and the price of rice increases by 20%, what is the total revenue generated by the government from the sale of rice?

A. ₦12 billion

B. ₦14 billion

Correct C. ₦16 billion

D. ₦18 billion

Correct Answer: C

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Question 23

The demand for a product is given by the equation Qd = 100 - 2P, where Qd is the quantity demanded and P is the price. If the price is ₦20, what is the quantity demanded?

A. 50

Correct B. 60

C. 70

D. 80

Correct Answer: B

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Question 24

A farmer produces 1000 bags of rice per year. If the price of rice is ₦10 per bag, what is the total revenue generated by the farmer from the sale of rice?

A. ₦10,000

Correct B. ₦12,000

C. ₦14,000

D. ₦16,000

Correct Answer: B

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Question 25

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(L,K) = 2L + 3K, what is the firm's optimal level of labor (L) and capital (K) if the firm's objective is to maximize profits?

Correct A. \( L = 16, K = 9 \)

B. \( L = 9, K = 16 \)

C. \( L = 4, K = 4 \)

D. \( L = 1, K = 1 \)

Correct Answer: A

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