Waec Mathematics Past Questions For Year 2005
Question 21
In the diagram PQ and MN are straight lines. Find the value of x
- A. 13o
- B. 17o
- C. 28o
- D. 30o
Question 22
Find the mean of the numbers 1, 3, 4, 8, 8, 4 and 7
- A. 4
- B. 5
- C. 6
- D. 7
Question 23
Given that the root of an the equation \(2x^2 + (k+2)x+k=0\) is 2, find the value of k
- A. -4
- B. -2
- C. -1
- D. \(-\frac{1}{4}\)
Question 24
A sequence is given by \(2\frac{1}{2}, 5, 7\frac{1}{2}, .....\) if the nth term is 25, find n
- A. 9
- B. 10
- C. 12
- D. 15
