WAEC Economics 1990 Past Questions
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The raw scores of 20 students of Utopia High School who took part in an examination in Economics are given below. The pass mark is 40%
38 28 70 43
39 20 64 66
12 46 52 53
20 34 48 69
18 20 64 34
(a) What is the mean score of the students' marks?
(b) How many students passed the examination?
(c) What percentage of the students failed the examination?
(d) What is the range of the scores?
(e) How many students scored below the mean score?
(a) Distinguish briefly but clearly between opportunity cost and money cost.
Discuss the factors that should motivate a producer to supply more of a commodity.
Despite having about 75% of their labour force in agriculture, West African countries cannot meet their domestic food requirement Discuss.
What is inflation? What efforts have been made by the government to combat inflation in Nigeria?
What is National income and its importance.
Outline the difficulties encountered by tax collectors in Nigeria.
Give reasons for development planning in Nigeria.
How can the Nigerian National Petroleum Corporation achieve internal economies of scale?
The demand and supply function of a commodity are given as follows:
Quantity demanded (Qd) = 20 - 2p
Quantity supplied (Qs) = 6P - 12 where P = price in naira
(a) Determine the equilibrium price and quantity bought and sold at that price.
(b) If the price of the commodity is fixed at N60.00, what is the magnitude of the excess supply?