Mathematics Past Questions And Answers
If the minimum value of y = 1 + hx - 3x2 is 13, find h.
- A. 13
- B. 12
- C. 11
- D. 10
There are 250 boys and 150 girls in a school, if 60% of the boys and 40% of the girls play football, what percentage of the school play football?
- A. 40.0%
- B. 42.2%
- C. 50.0%
- D. 52.5%
(a) The sides of an isosceles triangle triangle are in the ratio \(7 : 5 : 7\). Calculate, correct to the nearest degree, the angle included between the equal sides.
(b) The sum of the interior angles of a regular polygon is 1440°. Calculate : (i) the number of sides ; (ii) the size of one exterior angle of the polygon.
View Discussion (0)WAEC 2004 THEORY_LI.jpg)
The nth term of two sequences are Qn = 3 . 2n - 2 and Um = 3 . 22m - 3. Find the product of Q2 and U2
- A. 18
- B. 12
- C. 6
- D. 3
Find the range of values of x for which \(\frac{(x+2)}{4}-\frac{2x-3}{3}<4\)
- A. x > -6
- B. x > -3
- C. x< 8
- D. x< 4
A ladder 5cm long long rest against a wall such that its foot makes an angle 30° with the horizontal. How far is the foot of the ladder from the wall?
- A. \(\frac{5\sqrt{2}}{3}m\)
- B. \(2\frac{1}{2}m\)
- C. \(\frac{5\sqrt{3}}{2}m\)
- D. \(\frac{10\sqrt{3}}{3}m\)
The sum of four numbers is 12145. What is the average expressed in base five?
- A. 114
- B. 141
- C. 401
- D. 411
The third term of a Geometric Progression (G.P) is 360 and the sixth term is 1215. Find the
(a) common ratio;
(b) first term ;
(c) sum of the first four terms.
View Discussion (0)WAEC 1998 THEORYMake t the subject of formula S = ut + \(\frac{1}{2} at^2\)
- A. \(\frac{1}{a}\) (-u + \(\sqrt{U^2 - 2as}\))
- B. \(\frac{1}{a}\) {u \(\pm\) (U2 - 2as)}
- C. \(\frac{1}{a}\) {u \(\pm\) \(\sqrt{2as}\)}
- D. \(\frac{1}{a}\) {-u + \(\sqrt{( 2as)}\)}
In diagram below, QR//TU,< PQR = 80° and< PSU = 95°. Calculate< SUT.
- A. 15
- B. 25
- C. 30
- D. 80