Mathematics Past Questions And Answers
Given that P = {x: x is a multiple of 5}, Q = {x: x is a multiple of 3} and R = {x: x is an odd number} are subsets of μ = {x: 20 ≤ x ≤ 35}, (P?Q)∩R.
- A. {20, 21, 25, 30, 33}
- B. {21, 25, 27, 33, 35}
- C. {20, 21, 25, 27, 33, 35}
- D. {21, 25, 27, 30, 33, 35}
ABCDE is a regular pentagon and a rectangle AXYE is drawn on the side AE such that the vertices X and Y lie on the sides BC and CD respectively. Calculate the size of
(i) an interior angle of the pentagon ;
(ii) < BXA.
View Discussion (0)WAEC 1991 THEORYIf P is a set of all prime factors of 30 and Q is a set of all factors of 18 less than 10, find P ∩ Q
- A. {3}
- B. {2,3}
- C. {2,3,5}
- D. {1,2}
A parallelogram MNQR has vertices M(4, -6), N(10, 2), Q(8, 16) and R(x, y). Find the coordinates of R.
View Discussion (0)WAEC 2017 THEORY.jpg)
Find the derivative of the function y = 2x2(2x - 1) at the point x = -1?
- A. 18
- B. 16
- C. -4
- D. -6
(a)(i) Given that \(\log_{10} 5 = 0.699\) and \(\log_{10} 3 = 0.477\), find \(\log_{10} 45\), without using Mathematical tables.
(ii) Hence, solve \(x^{0.8265} = 45\).
(b) Use Mathematical tables to evaluate \(\sqrt{\frac{2.067}{0.0348 \times 0.538}}\)
View Discussion (0)WAEC 1993 THEORYMrs. Felicia Ojo borrowed ten (10) tiers of gari from her neighbour, Mrs Corporate Chinedu and promises to return it three fold, the following month. How many tiers of garri will she return?
- A. 3
- B. 13
- C. 30
- D. 10
In the diagram, RT is a tangent to the circle at R, ∠ PQR = 70°, ∠ QRT = 52°, ∠ QSR and ∠ PRQ = x. Calculate the variance of 2, 4, 7, 8 and 9
- A. 7.2
- B. 6.8
- C. 3.5
- D. 2.6
In the diagram below, PQ is the tangent to the circle RST at T.|ST| = ST and ?RTQ = 68o. Find ?PTS
- A. 68o
- B. 62o
- C. 61o
- D. 56o
(a) Find the maximum and minimum points of the curve \(y = 2x^{3} - 3x^{2} - 12x + 4\).
(b) Sketch the curve in (a) above.
View Discussion (0)WAEC 2013 THEORY.jpg)