Waec Mathematics Past Questions For Year 1992
Question 1
A bricklayer measured the length of a wall and obtained 4.10m. If the actual length of the wall is 4.25m, find his percentage error.
- A. 3 9/17%
- B. 3 27/41%
- C. 15%
- D. 35 5/17%
- E. 36 24/41%
Question 2
Convert 77 to a number in base two
- A. 1001 101
- B. 111001
- C. 100110
- D. 10101
- E. 10011
Question 3
If x varies over the set of real numbers, which of the following is illustrated in the diagram above?
- A. -3
- B. -3≤x<2
- C. -3
- D. -3≤x≤2
- E. x≥2
Question 4
Simplify (3/4 + 1/3) x 4(1/3) ÷ 3(1/4)
- A. 1/2
- B. 13/12
- C. 10/9
- D. 17/12
- E. 13/9
Question 5
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)
