Mathematics Past Questions And Answers
A bearing of 320° expressed as a compass bearing is
- A. N 50° W
- B. N 40° W
- C. N 50° E
- D. N 40° E
Evaluate \(\int 2(2x - 3)^{\frac{2}{3}} \mathrm d x\)
- A. 3/5(2x-3)5/3 + k
- B. 6/5(2x-3)5/3 + k
- C. 2x-3+k
- D. 2(2x-3)+k
The pie chart represents fruits on display in a grocery shop. If there are 60 oranges on display, how many apples are there?

- A. 90
- B. 80
- C. 70
- D. 40
(a) If \(2^{x + y} = 16\) and \(4^{x - y} = \frac{1}{32}\), find the value of x and y.
(b) P, Q and R are related in such a way that \(P \propto \frac{Q^{2}}{R}\). When P = 36, Q = 3 and R = 4. Calculate Q when P = 200 and R = 2.
View Discussion (0)WAEC 2008 THEORY(a) Solve, correct to two decimal places, the equation \(4x^{2} = 11x + 21\).
(b) A man invests £1500 for two years at compound interest. After one year, his money amounts to £1560. Find the :
(i) rate of interest ; (ii) interest for the second year.
(c) A car costs N300,000.00. It depreciates by 25% in the first year and 20% in the second year. Find its value after 2 years.
View Discussion (0)WAEC 2008 THEORYWhich of these values would make \(\frac{3p^-}{p^{2-}}\) undefined?
- A. 1
- B. \(\frac{1}{3}\)
- C. -\(\frac{1}{3}\)
- D. -1
Solve the inequality \(2x^{2} + 5x - 3 \geq 0\).
- A. \(x \leq -3\) or \(x \geq \frac{1}{2}\)
- B. \(x< -\frac{1}{2}\) or \(x \geq 3\)
- C. \(-3 \leq x \leq \frac{1}{2}\)
- D. \(-\frac{1}{2} \leq x \leq 3\)
Given that A = {1, 5, 7}
B = {3, 9, 12, 15}
C = {2, 4, 6, 8}
Find (A ∪ B) ∪ C
- A. {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}
- B. {1, 2, 3, 5, 6, 8, 12, 15}
- C. {2, 4, 5, 9, 12, 15}
- D. {1, 5, 6, 7, 8, 9, 12, 15}
A body of mass 15kg is placed on a smooth plane which is inclined at 60° to the horizontal. If the box is at rest,
calculate the normal reaction to the plane. [ Take g = 10m/s\(^2\) ]
- A. 129.9N
- B. 75N
- C. 60.0N
- D. 7.5N
Find the difference between the range and the variance of the following set of numbers 4, 9, 6, 3, 2, 8, 10, 5, 6, 7 where \(\sum d^2\) = 60
- A. 2
- B. 3
- C. 4
- D. 6

