Mathematics Past Questions And Answers
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. 70°
- B. 84°
- C. 96°
- D. 156°
Simplify \(2\log_{3} 8 - 3\log_{3} 2\)
- A. \(-\log_{3} 4\)
- B. \(-\log_{3} 2\)
- C. \(3\log_{3} 2\)
- D. \(3\log_{3} 4\)
The angle of elevation of the top of a tower from a point on the ground which is 36m away from the foot of the tower is 30°. Calculate the height of the tower.
- A. 62.35m
- B. 20.78m
- C. 18.00m
- D. 10.39m
Given that \(f(x) = 2x^{2} - 3\) and \(g(x) = x + 1\) where \(x \in R\). Find g o f(x).
- A. \(2(x^{2} - 1)\)
- B. \(2x^{2} + 4x - 1\)
- C. \(2x^{2} + 6x - 1\)
- D. \(3(x^{2} - 1)\)
A committee of 5 people is to be chosen from a group of 6 men and 4 women. How many committees are possible if there is to be a majority of women?
- A. 60
- B. 15
- C. 66
- D. 4
A line passes through the origin and the point \((1\frac{1}{4}, 2\frac{1}{2})\), what is the gradient of the line?
- A. 1
- B. 2
- C. 3
- D. 4
Timi scored 90% in History examination. His friend Ade scored two thirds of Timi’s score while the cousin Gunte scored 70% of Timi’s. What is their average score?
- A. 61%
- B. 71%
- C. 75.5%
- D. 66%
(a) A shop owner marked a shirt at a price to enable him to make a gain of 20%. During a special sales period, the shirt was sold at 10% reduction to a customer at N864.00. What was the original cost to the shop owner?
(b) A rectangular lawn of length (x + 5) metres is (x - 2) metres wide. If the diagonal is (x + 6) metres, find ;
(i) the value of x ; (ii) the area of lawn.
View Discussion (0)WAEC 1999 THEORY.jpg)
What is the n-th term of the sequence 2, 6, 12, 20...?
- A. 4n - 2
- B. 2(3n - 1)
- C. n2 + n
- D. n2 + 3n + 2
I thought the time was ten minutes to two, but I was looking at the clock in a mirror. What time was it really?
- A. ten minutes to two
- B. ten minutes after two
- C.ten to ten
- D. Ten to three.