Mathematics Past Questions And Answers
(a) Using a ruler and a pair of compasses only, construct: (i) a triangle ABC such that |AB| = 5cm, |AC| = 7.5cm and < CAB = 120°; (ii) the locus \(l_{1}\) of points equidistant from A and B; (iii) the locus \(l_{2}\) of points equidistant from AB and AC which passes through triangle ABC .
(b) Label the point P where \(l_{1}\) and \(l_{2}\) intersect.
(c) Measure |CP|.
View Discussion (0)WAEC 1992 THEORY(3).jpg)
The sketch shows a plot of land .
(a) Using a scale of 1 cm to 10m, draw an accurate diagram of the plot ;
(b) Construct : (i) The locus \(l_{1}\) of points equidistant from AC and BC ; (ii) the locus \(l_{2}\) of points 60m from A.
(c) A tree T inside the plot is on both \(l_{1}\) and \(l_{2}\). Locate T and find |TC| in metres.
(d) A flagpole, P is to be placed such that it it is nearer AC than BC and more than 60m from A. Shade the regions where P can be located.
View Discussion (0)WAEC 2005 THEORYWhich of the following is nor a measure of central tendency?
- A. Mean
- B. Variance
- C. Median
- D. Mode
A can of Cola was labeled as containing 330ml of fluid but was found to contain 341ml. What was the percentage error?
- a.33.0%
- b. 34.1%
- c. 3.33%
- d. 3.41%
A trader bought 100 tubers at 5 for N350.00. She sold them in sets of 4 for N290.00. Find her gain percent.
- A. 3.6%
- B. 3.5%
- C. 3.4%
- D. 2.55%
Two buses start from the same station at 9.00am and travel in opposite directions along the same straight road. The first bus travel at a speed of 72 km/h and the second at 48 km/h. At what time will they be 240km apart?
- A. 1:00 pm
- B. 12:00 noon
- C. 11:00 am
- D. 10:00 am
Evaluate \(\frac{0.8 \times 0.43 \times 0.031}{0.05 \times 0.72 \times 0.021}\). Correct to four significant figures
- A. 14.09
- B. 14.1
- C. 14.12
- D. 14.11
(a) A sector of a circle of radius 8cm subtends an angle of 90° at the centre of the circle. If the sector is folded without overlap to form the curved surface of a cone, find the :
(i) base radius ; (ii) height ; (iii) volume of the cone. [Take \(\pi = \frac{22}{7}\)].
(b) A map is drawn to a scale of 1 : 20,000. Use it to calculate the : (i) distance, in kilometres, represented by 4.5 cm on the map ;
View Discussion (0)WAEC 2006 THEORYExpress \(\frac{2}{x + 3} - \frac{1}{x - 2}\) as a simple fraction
- A. \(\frac{x - 7}{x^2 + x - 6}\)
- B. \(\frac{x - 1}{x^2 + x - 6}\)
- C. \(\frac{x - 2}{x^2 + x - 6}\)
- D. \(\frac{x - 27}{x^2 + x - 6}\)
Find the sum to infinity to the following series 3 + 2 + \(\frac{4}{3}\) + \(\frac{8}{9}\) + \(\frac{16}{17}\) + .....
- A. 1270
- B. 190
- C. 18
- D. 9



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