Waec Mathematics Past Questions For Year 1993
Question 1
Simplify: \(\frac{3}{4} \div 1\frac{1}{4} \times (1\frac{1}{2} - \frac{2}{3})\)
- A. 7/30
- B. 7/24
- C. 9/25
- D. 1/2
- E. 18/25
Question 2
S = {1, 2, 3, 4, 5, 6}, T = {2,4,5,7} and R = {1,4, 5}, and (S∩T) ∪ R
- A. {1, 4, 5}
- B. {2, 4, 5}
- C. {1, 2, 4, 5}
- D. {2, 3, 4, 5}
- E. {1, 2, 3, 4, 5}
Question 3
Simplify: \(\frac{4^{-\frac{1}{2}} \times 16^{\frac{3}{4}}}{4^{\frac{1}{2}}}\)
- A. 1/4
- B. 0
- C. 1
- D. 2
- E. 4
Question 4
The nth term of a sequence is given by (-1)\(^{n-2}\) x 2\(^{n-1}\). Find the sum of the second and third terms.
- A. -2
- B. 1
- C. 2
- D. 6
- E. 12
Question 5
A stick of length 1.75m was measured by a boy as 1.80m. Find the percentage error in his measurement
- A. 27/9%
- B. 26/7%
- C. 5%
- D. 277/9%
- E. 284/7%.
