Waec Mathematics Past Questions For Year 1989
Question 31
Find the volume of a cone of radius 3.5cm and vertical height 12cm [Take π = 22/7]
- A. 3.4cm2
- B. 15.5cm2
- C. 21.0cm2
- D. 42.0cm2
- E. 154.0cm2
Question 32
With reference to the graph above, which f the following solution sets is represented by ΔOPQ?
- A. y ≥ x, y ≤ 0, y + x ≥ 7
- B. y ≤ x, y ≥ 0, y + x ≤ 7
- C. y ≥ x, y ≥ 0, y + x ≤ 7
- D. y ≤ x, y ≤ 0, y + x ≤ 7
- E. y ≤ x, y ≥ 0, y + x ≥ 7
Question 33
In the diagram above, what is the size of angle ACB?
- A. 40o
- B. 50o
- C. 60o
- D. 80o
- E. 100o
Question 34
Simplify \(\frac{9^{-\frac{1}{2}}}{27^{\frac{2}{3}}}\)
- A. 1
- B. 1/3
- C. 1/9
- D. 1/18
- E. 1/27
Question 35
If logax = p, express x in terms of a and p
- A. x = u + p
- B. x = a/p
- C. x = p
- D. x = ap
- E. x = ap
