Mathematics Past Questions And Answers
If \(8^{x} ÷ (\frac{1}{4})^{y} = 1\) and \(\log_{2}(x - 2y) = 1\), find the value of (x - y).
- A. \(\frac{5}{4}\)
- B. \(\frac{3}{5}\)
- C. \(1\)
- D. \(\frac{2}{3}\)
A container has 30 gold medals, 22 silver medals and 18 bronze medals. If one medals is selected at the random from the container, what is the probability that it is not a gold medal?
- A. 9/35
- B. 11/35
- C. 4/7
- D. 3/7
From the top of a building 10m high, the angle of depression of a stone lying on the horizontal ground is 69°. Calculate ,correct to one decimal place, the distance of the stone from the foot of the building
- A. 3.6m
- B. 3.8m
- C. 6.0m
- D. 9.3m
If \(\alpha\) and \(\beta\) are the roots of the equation \(2x^{2} - 7x + 4 = 0\), find the equation whose roots are \(\frac{\alpha}{\beta}\) and \(\frac{\beta}{\alpha}\).
View Discussion (0)WAEC 2011 THEORYOne-third of the sum of two numbers is 12, twice their difference is 12. Find the numbers.
- A. 22 and 14
- B. 20 and 16
- C. 21 and 15
- D. 23 and 13
For what value of x is the expression \(\frac{2x-1}{x+3}\)not defined?
- A. 3
- B. 2
- C. 1/2
- D. -3
What's the median? 13,2,16,8,34,26
- A. 18
- B. 14.5
- C. 11.5
- D. 21
The angle of elevation of an aircraft from a point K on the horizontal ground 30°. If the aircraft is 800m above the ground, how far is it from K?
- A. 400.00m
- B. 692.82m
- C. 923.76m
- D. 1,600.99m
| Marks | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| No of students | 1 | 3 | 2 | 0 | 1 | 6 | 1 | 0 | 1 | 0 |
The table above shows the scores of 15 students in a Physics test.
How many students scored at least 5?
- A. 1
- B. 6
- C. 8
- D. 9
PQRS is a cyclic quadrilateral. If ∠QPS = 75°, what is the size of ∠QRS?
- A. 180°
- B. 150°
- C. 105°
- D. 75°