Mathematics Past Questions And Answers
My holiday starts in six day’s time. Yesterday was my birth day –Friday june 23 .On which day of the week will my holiday start?
- A. Fri, 30 June
- B. Wed, 30 June
- C. Tues, 29 june
- D. Sat, 26 july
Given that S and T are sets of real numbers such that S = {x : 0 ≤ x ≤ 5} and T = {x : − 2< x< 3} Find S ∪ T
- A. −3< x< ≤3
- B. −2< x< ≤5
- C. 2< x< ≥ −5
- D. −1< x ≥ ≤2
Forces of magnitude 3N, 4N and 2N act along the vectors \(j ; -i + j\) and \(i + j\) respectively. Calculate, correct to one decimal place, the magnitude of the resultant of the forces.
View Discussion (0)WAEC 2015 THEORY(8).jpg)
A student bought 3 notebooks and 1 pen for N35. After misplacing these items, she again bought 2 notebooks and 2 pens, all of the same type for N30. What is the cost of a pen?
- A. N5.00
- B. N7.50
- C. N10.00
- D. N15.00
(b) The estimate of the modal height of the seedlings is 1.08
View Discussion (0)WAEC 2023 THEORYFind the unit vector in the direction opposite to the resultant of forces. F\(_1\) = (-2i - 3j) and F\(_2\) = (5i - j)
- A. \(\frac{1}{5}\)(-3i - 4j)
- B. \(\frac{1}{5}\)(-3i + 4j)
- C. \(\frac{1}{5}\)(3i - 4j)
- D. \(\frac{1}{5}\)(3i + 4j)
From a point T, a man moves 12km due west and then moves 12km due south to another point Q. Calculate the bearing of T from Q.
- A. 225°
- B. 315°
- C. 045°
- D. 135°
The implication x \(\to\) y is equivalent to?
- A. ~ y \(\to\) ~ x
- B. y \(\to\) ~ x
- C. ~ x \(\to\) ~ y
- D. y \(\to\) x
The table shows the number of suitcases possessed by a group of travellers.
| No. of suitcases | 0 | 1 | 2 | 3 | 4 | 5 |
| Travellers | 2 | 7 | 7 | 2 | 3 | 9 |
(a) Calculate the (i) median (ii) mean, correct to the nearest whole number.
(b) Draw a bar chart to represent the information.
View Discussion (0)WAEC 2003 THEORY.png)
Simplify (\(\frac{1}{x^{-1}} + \frac{1}{y^{-1}}\))-1
- A. \(\frac{x}{y}\)
- B. xy
- C. \(\frac{x}{y}\)
- D. (xy)-1