Mathematics Past Questions And Answers
In \(\bigtriangleup\) XYZ, /XY/ = 8cm, /YZ/ = 10cm and /XZ/ = 6cm. Which of these relation is true?
- A. /XY/ + /YZ/ = /XZ/
- B. /XY/ - /YZ/ = /XZ/
- C. /XY/2 = /Y/2 - /XY/2
- D. /YZ/2 = /XZ/2 + /XY/2
(a) Express \(\frac{2\sqrt{2}}{\sqrt{48} - \sqrt{8} - \sqrt{27}}\) in the form \(p + q\sqrt{r}\), where p, q and r are rational numbers.
(b) If \(V = A\log_{10} (M + N)\), express N in terms of M, V and A.
View Discussion (0)WAEC 2010 THEORY(a) P(-1, 4), Q(2, 3), R(x, y) and S(-2, 3) are the verticles of a parallelogram. Find the value of x and y.
(b) A particle starts from rest and moves in a straight line. It attains a velocity of 20ms\(^{-1}\) after travelling a distance of 8 metres. Calculate;
(ii) Iis acceleration
(ii) the time taken to travel 40 metres
View Discussion (0)WAEC 2019 THEORYEvaluate \(\frac{1.25 \times 0.025}{0.05}\), correct to 1 decimal place
- A. 0.6
- B. 6.2
- C. 6.3
- D. 0.5
The parallelogram PQRS has vertices P(-2, 3), Q(1, 4), R(2, 6) and S(-1,5). Find the coordinates of the point of intersection of the diagonals.
- A. \((-1, 5)\)
- B. \((-\frac{1}{2}, 3\frac{1}{2})\)
- C. \((0, 4\frac{1}{2})\)
- D. \((1\frac{1}{2}, 5)\)
What is Roman numeral of 50?
- (a) L
- (b) X
- (c) C
- (d) D
Which of the following bearings is equivalent to S50°W?
- A. 040°
- B. 130°
- C. 220°
- D. 230°
In the diagram, ΔXYZ is similar to ΔPRQ, |XY| = 5cm, |XZ| =3.5cm and |PR| = 8cm. Find |PQ|
- A. 5.6 cm
- B. 11.2cm
- C. 11.4cm
- D. 28.0cm
If (K2)\(_6\) * 3\(_6\) = 3\(_5\)(K4)\(_5\), what is the value of k?
- A. 1
- B. 4
- C. 3
- D. 2
Evaluate: \(\frac{0.21 \times 0.072 \times 0.00054}{0.006 \times 1.68 \times 0.063}\)
- A. 0.01286
- B. 0.01285
- C. 0.1286
- D. 0.1285