Mathematics 1992 Waec Past Questions and Answers

Question 1 :

• WAEC 1992

Let U = {1, 2, 3, 4}, P = {2, 3} and Q = {2, 4}. What is (P∩Q)'?

A. (1, 2, 3)
B. (1, 3, 4)
C. (2, 3)
D. (1, 3)
E. (1, 4)

Question 2 :

• WAEC 1992

Let U = {1, 2, 3, 4}, P = {2, 3} and Q = {2, 4}. What is (P∩Q)'?

A. (1, 2, 3)
B. (1, 3, 4)
C. (2, 3)
D. (1, 3)
E. (1, 4)

Question 3 :

• WAEC 1992

Simplify (³/₄ + ¹/₃) x 4¹/₃ + 3¹/₄

A. 1/2
B. 13/12
C. 10/9
D. 17/12
E. 13/9

Question 4 :

• WAEC 1992

If x varies over the set of real numbers, which of the following is illustrated in the diagram above?

A. -3
B. -3≤x
C. -3
D. -3≤x≤2
E. X≥2

Question 5 :

• WAEC 1992

Convert 77 to a number in base two

A. 1001 101
B. 111001
C. 100110
D. 10101
E. 10011