WAEC Economics 1994 Question 31

Fixed unit of land (hectares): 5, 5, 5, 5, 5, 5
Variable unit of labour: 1, 2, 3, 4, 5, 6
Total output (TO): 10, 25, X, 60, 73, 82
Marginal product (MP): 10, 15, 21, 14, 13, Y
Which of the following pairs gives the values of X and Y in the table above?

1. A.X = 20, Y = 6
2. B.X = 10, Y = 10
3. C.X = 38, Y = 9
4. D.X = 46, Y = 9
5. E.X = 46, Y = 14