WAEC Economics 2010 Past Questions

Practice each question, then open it to see the full details.

Question 1

The table below represents a travellers's consumption of bottles of Coca-Cola. Study the table carefully and answer the questions that follow. 
 

No. of Bottles Total Utility Marginal Utility
1 15 15
2 29 F
3 42 13
4 D 12
5 65 G
6 75 H
7 E 0

(a) Complete the missing figures D, E, F, G and H (5 marks) 
(b) Draw the demand curve for the traveler's consumption of Coca-Cola. (The use of a graph sheet is essential) [10 marks] 
(c) Explain the law of diminishing marginal utility as the basis for the slope of the traveler's demand curve. [5 marks]

Theory
Question 2

The table below represents the cost function of a poultry farm. The price of a crate of egg is $21. Use the information contained in the table to answer the questions that follow. 
 

Quantity of eggs (in crates)  Total cost (in $)
0 50
1 55
2 62
3 75
4 96
5 125
6 162
7 203
8 248

(a) What Is the fixed cost of the farm? (2 marks]
(b)(i) Calculate the marginal cost at each level of output. [9 marks] 
(ii) What is the profit maximizing output of the farm? [3 marks]
(c) Draw the demand curve for the farm. [6 marks]. 
 

 

Theory