Waec Mathematics Past Questions For Year 1990
Question 16
Find the sum of the first five terms of the G.P 2,6, 18 ....
- A. 484
- B. 243
- C. 242
- D. 130
- E. 121
Question 17
An arc of length 22cm subtends an angle of θ at the center of the circle. What is the value of θ if the radius of the circle is 15cm?[Take π = 22/7]
- A. 70o
- B. 84o
- C. 96o
- D. 156o
- E. 168o
Question 18
Solve the equation 7y\(^2\) = 3y
- A. y = 3 or 7
- B. y = 0 or 7
- C. y = 0 or 3/7
- D. y = 0 or 9
- E. y = 0 or 10
Question 19
Factorize 2e\(^2\) - 3e + 1
- A. (2e-1) (e-1)
- B. (e+1) (2e+1)
- C. (2e+3) (e+2)
- D. (2e-3) (e-1)
- E. (e2-3(2e-1)
Question 20
Factorize x\(^2\) + 4x - 192
- A. (x-4) (x+48)
- B. (x-48) (x+4)
- C. (x-12) (x+16)
- D. (x-12) (x-16)
- E. (x+12) (x+16)
