Waec Mathematics Past Questions For Year 2005
Question 41
What are the roots of the equation?
- A. -1 and 1
- B. 4 and 1
- C. 1 and 4
- D. 4 and 4
Question 42
In the diagram, O is the center of the circle, ∠MON = 80o, ∠LMO = 10o and ∠LNO = 15o. Calculate the value of x
- A. 40o
- B. 50o
- C. 55o
- D. 75o
Question 43
The monthly salary of a man increased from N2,700 to N3,200. Find the percentage increase
- A. 10%
- B. 15%
- C. 15.6%
- D. 18.5%
Question 44
Ladi sold a car for N84,000 at a loss of 4%. How much did ladi buy the car?
- A. 80,500
- B. 80,640
- C. 87,360
- D. 87,500
Question 45
If \(y \alpha \frac{1}{x^2}\) and \(y = 1\frac{1}{4}\) when x = 4, find the value of y when \(x = \frac{1}{2}\)
- A. \(2\frac{1}{2}\)
- B. 5
- C. 10
- D. 80
