Waec Mathematics Past Questions For Year 2018
Question 6
If F = \(\frac{9}{5}\)C + 32, find C when F = 98.6
- A. 30
- B. 37
- C. 39
- D. 41
Question 7
If \(\log_{10}\)(6x - 4) - \(\log_{10}\)2 = 1, solve for x.
- A. 2
- B. 3
- C. 4
- D. 5
Question 8
There are 250 boys and 150 girls in a school, if 60% of the boys and 40% of the girls play football, what percentage of the school play football?
- A. 40.0%
- B. 42.2%
- C. 50.0%
- D. 52.5%
Question 9
Simplify; 2\(\frac{1}{4} \times 3\frac{1}{2} \div 4 \frac{3}{8}\)
- A. \(\frac{5}{9}\)
- B. 1\(\frac{1}{5}\)
- C. 1\(\frac{1}{4}\)
- D. 1\(\frac{4}{5}\)
Question 10
The surface area of a sphere is \(\frac{792}{7} cm^2\). Find, correct to the nearest whole number, its volume. [Take \(\pi = \frac{22}{7}\)]
- A. 113\(cm^3\)
- B. 131\(cm^3\)
- C. 311\(cm^3\)
- D. 414\(cm^3\)
