Waec Mathematics Past Questions For Year 2006
Question 6
Simplify \(\frac{x - 4}{4} - \frac{x - 3}{6}\)
- A. \(\frac{x - 18}{12}\)
- B. \(\frac{x - 6}{12}\)
- C. \(\frac{x - 18}{24}\)
- D. \(\frac{x - 6}{24}\)
Question 7
Simplify \(\frac{25 \frac{2}{3} \div 25 \frac{1}{6}}{( \frac{1}{5})^{-\frac{7}{6}} \times ( \frac{1}{5})^{\frac{1}{6}}}\)
- A. 25
- B. \(\frac{1}{5}\)
- C. 1
- D. \(\frac{1}{25}\)
Question 8
\(\begin{array}{c|c} x & 1 & 4 & p \\ \hline y & 0.5 & 1 & 2.5\end{array}\). The table above satisfies the relation y = k\(\sqrt{x}\), where k is a positive constant. Find the value of K.
- A. 0.5
- B. 1
- C. 1.5
- D. 2
Question 9
The ratio of boys to girls in a class is 5:3. Find the probability of selecting at random, a girl from the class
- A. \(\frac{1}{8}\)
- B. \(\frac{1}{3}\)
- C. \(\frac{3}{8}\)
- D. \(\frac{3}{5}\)
Question 10
If tan y = 0.404, where y is acute, find cos 2y
- A. 0.035
- B. 0.719
- C. 0.808
- D. 0.927
