Waec Mathematics Past Questions For Year 1999
Question 1
In the diagram above, RST is a tangent to circle VSU center O ∠SVU = 50° and UV is a diameter. Calculate ∠RSV.
- A. 90°
- B. 50°
- C. 45°
- D. 40°
Question 2
From a set \(A = [3, \sqrt{2}, 2\sqrt{3}, \sqrt{9}, \sqrt{7}]\), a number is selected at random. Find the probability that is a rational number
- A. \(\frac{1}{5}\)
- B. \(\frac{2}{5}\)
- C. \(\frac{3}{5}\)
- D. \(\frac{4}{5}\)
Question 3
If \(K\sqrt{28}+\sqrt{63}-\sqrt{7}=0\), find K.
- A. -2
- B. -1
- C. 1
- D. 2
Question 4
Simplify log\(_7\) 8 - log\(_7\) 2 + log\(_7\) 4.
- A. 0
- B. \(2log_7 2\)
- C. \(3log_7 2\)
- D. \(4log_7 2\)
Question 5
The side of a rhombus is 10cm long, correct to the nearest whole number. Between what limits should the perimeter P lie?
- A. 39cm ≤ P ≤41cm
- B. 38cm ≤ P < 42cm
- C. 38.5 ≤ P ≤ 41.5cm
- D. 38.5 ≤ P ≤ 40cm
