Mathematics Past Questions And Answers
Differentiate the function y = \(\sqrt[3]{x^2}(2x - x^2)\)
- A. \(\frac {dy}{dx} = \frac {10x^{5/3}}{3} - \frac {8x^{2/3}}{3}\)
- B. \(\frac {dy}{dx} = \frac {10x^{2/3}}{3} - \frac {8x^{5/3}}{3}\)
- C. \(\frac {dy}{dx} = \frac {10x^{5/3}}{3} - \frac {8x^{5/3}}{3}\)
- D. \(\frac {dy}{dx} = \frac {10x^{2/3}}{3} - \frac {8x^{2/3}}{3}\)
Find the number of sides of a regular polygon whose interior angle is twice the exterior angle.
- A. 6
- B. 2
- C. 3
- D. 8
Find the mean of the numbers 1, 3, 4, 8, 8, 4 and 7
- A. 4
- B. 5
- C. 6
- D. 7
If \(\frac{\sqrt{2} + \sqrt{3}}{\sqrt{3}}\) is simplified as m + n\(\sqrt{6}\), find the value of (m + n)
- A. \(\frac{1}{3}\)
- B. \(\frac{2}{3}\)
- C. 1\(\frac{1}{3}\)
- D. 1\(\frac{2}{3}\)
Solve for t in the equation \(\frac{3}{4}t+\frac{1}{3}(21-t)\) = 11,
- A. \(\frac{9}{13}\)
- B. \(\frac{9}{5}\)
- C. 5
- D. \(9\frac{3}{5}\)
What is the loci of a distance 4cm from a given point P?
- A. A straight line of length 4cm
- B. a circle of radius 4cm
- C. perpendicular to point P at 4cm
- D. a circle of diameter 4cm
Solve: 2\(^{√2x + 1}\) = 32
- A. 13
- B. 24
- C. 12
- D. 11
The weight (in kg) of 50 contestants at a competition is as follows:
65 66 67 66 64 66 65 63 65 68 64 62 66 64 67 65 64 66 65 67 65 67 66 64 65 64 66 65 64 65 66 65 64 65 63 63 67 65 63 64 66 64 68 65 63 65 64 67 66 64.
(a) Construct a frequenct table for the discrete data.
(b) Calculate, correct to 2 decimal places, the;
(i) mean ; (ii) standard deviation of the data.
View Discussion (0)WAEC 2016 THEORYFind the quadratic equation whose roots are -\(\frac{1}{2}\) and 3
- A. 2x2 - 2x + 3 = 0
- B. 2x2 - 2x - 3 = 0
- C. 2x2 - 5x - 3 = 0
- D. 3x2 - 5x - 3 = 0
(a) The diagram shows a wooden structure in the form of a cone, mounted on a hemispherical base. The vertical height of the cone is 48 m and the base radius is 14. Calculate, correct to three significant figures, the surface area of the structure, [Take \(\pi = \frac{22}{7}\)]
(b) Five years ago, Musah was twice as old as Sesay. If the sum of their ages is 100, find Sesay's present age.
View Discussion (0)WAEC 2020 THEORY