POST UTME CHRISTOPHER UNIVERSITY 2017 Economics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A country's GDP is ₦500 billion, its imports are ₦100 billion, and its exports are ₦150 billion. What is its balance of trade?
A. ₦50 billion
B. ₦100 billion
C. ₦150 billion
D. ₦200 billion
Question 2
A firm's \cost function is given by C = 100 + 2Q + 0.5Q^2, where C is total \cost and Q is output. If the firm produces 20 units of output, what is the total \cost?
A. 250
B. 300
C. 350
D. 400
Question 3
Consider a firm operating in a perfectly competitive market with a production function Q = 2L^0.5K^0.5. If the firm's current input prices are w = ₦100 and r = ₦200, and it currently employs 4 units of labor and 9 units of capital, calculate the firm's current total \cost.
A. ₦1,200
B. ₦1,500
C. ₦1,800
D. ₦2,000
Question 4
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
C. ₦350
D. ₦400
Question 5
Consider a closed economy with a \single good, labor, and capital. If the production function is given by Q = 2L^0.5K^0.5, where Q is output, L is labor, and K is capital, and the price of the good is P = 10, calculate the value of the marginal product of labor (MPL) when L = 4 and K = 16.
A. 8
B. 16
C. 32
D. 64
Question 6
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 is ₦50, what is the quantity demanded?
A. 50
B. 75
C. 100
D. 125
Question 7
The supply curve of a firm is upward-sloping because
A. the firm is a price-taker
B. the firm is a price-maker
C. the firm's production \costs are increa\sing
D. the firm's production \costs are decrea\sing
Question 8
A country's GDP is ₦500 billion, its imports are ₦100 billion, and its exports are ₦150 billion. What is its balance of trade?
A. ₦50 billion
B. ₦100 billion
C. ₦150 billion
D. ₦200 billion
Question 9
A country's GNP is ₦120 billion, its GDP is ₦110 billion, and its net factor income from abroad is ₦5 billion. Calculate the country's national income.
A. ₦125 billion
B. ₦130 billion
C. ₦135 billion
D. ₦140 billion
Question 10
A perfectly competitive firm will produce at the point where its marginal \cost (MC) curve intersects the
A. average revenue (AR) curve
B. marginal revenue (MR) curve
C. marginal \cost (MC) curve
D. average \cost (AC) curve
Question 11
The government of a country imposes a tax on imported goods to raise revenue. The tax is levied at the rate of 10% on the value of the goods. If the value of the goods is ₦100,000, what is the amount of tax paid?
A. ₦10,000
B. ₦20,000
C. ₦30,000
D. ₦40,000
Question 12
A country's balance of payments is given by the following equation: BOP = \( X - M \) + \( F - I \). If the country's exports are ₦500 billion, imports are ₦400 billion, foreign investment is ₦200 billion, and domestic investment is ₦300 billion, what is the country's balance of payments?
A. ₦100 billion
B. ₦200 billion
C. ₦300 billion
D. ₦400 billion
Question 13
A country's inflation rate is given by the following equation: inflation rate = \( C + I + G + X - M \) / Y. If the country's consumption is ₦500 billion, investment is ₦200 billion, government sp\ending is ₦300 billion, exports are ₦400 billion, imports are ₦500 billion, and GDP is ₦2 trillion, what is the country's inflation rate?
A. 5%
B. 10%
C. 15%
D. 20%
Question 14
A firm's demand function is given by Q = 100 - 2P and its \cost function is C(Q) = 2Q^2 + 10Q. If the firm's current price is P = 20, what is the elasticity of demand?
A. 0.5
B. 1
C. 2
D. 3
Question 15
A firm's supply function is given by Q = 2P - 50, where Q is the quantity supplied and P is the price. If the price is ₦25, what is the quantity supplied?
A. 25
B. 50
C. 75
D. 100

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