Mathematics Past Questions And Answers
A chord of length 6cm is drawn in a circle of radius 5cm. Find the distance of the chord from the center of the circle
- A. 2.5cm
- B. 3.0cm
- C. 3.5cm
- D. 4.0cm
In terms of d, what is the mean of d,d?9,d+3,d+2
- A. 4d+4
- B. 3d?1
- C. 2d+4
- D. d?1
A hollow sphere has a volume of kcm3 and a surface area of kcm2. Calculate the diameter of the sphere.
- A. 3cm
- B. 6cm
- C. 9cm
- D. More information is needed
In the diagram, PR is a diameter of the circle RSP, RP is produced to T and TS is a tangent to the circle at S. If ∠PRS = 24°, calculate the value of ∠ STR
- A. 24°
- B. 42°
- C. 48°
- D. 66°
A cylindrical container has a base radius of 14cm and height 18cm. How many litres of liquid can it hold? correct to the nearest litre [Take \(\pi = \frac{22}{7}\)]
- A. 11
- B. 14
- C. 16
- D. 18
A particle is acted upon by two forces 6N and 3N inclined at an angle of 120° to each other. Find the magnitude of the resultant force.
- A. \(18\sqrt{3}\) N
- B. \(27\) N
- C. \(24\) N
- D. \(3\sqrt{3}\) N
Evaluate: \(\frac{0.42 \div 2.5}{0.5 \times 2.95}\), leaving the answer in the standard form.
- A. 1.639 x 10\(^2\)
- B. 1.639 x 10\(^1\)
- C. 1.639 x 10\(^{-1}\)
- D. 1.639 x 10\(^{-2}\)
Three forces, F\(_1\) (8N, 030°), F\(_\2) (10N, 150° ) and F\(_\3) ( KN, 240° )are in equilibrium. Find the value of N
- A. 5?3
- B. 6?2
- C. 6?3
- D. 9?3
Solve for x: |x - 2|< 3
- A. x< 5
- B. -2< x< 3
- C. -1< x< 5
- D. x< 1
The table below shows the number of eggs laid by the chickens in a man's farm in a year.
| No of eggs per year | No of chickens |
| 45 - 49 | 10 |
| 50 - 54 | 36 |
| 55 - 59 | 64 |
| 60 - 64 | 52 |
| 65 - 69 | 28 |
| 70 - 74 | 10 |
(a) Draw a cumulative frequency curve for the distribution.
(b) Use your graph to find the interquartile range.
(c) If a woman buys a chicken from the farm, what is the probability that the chicken lays at least 60 eggs in a year?
View Discussion (0)WAEC 1998 THEORY

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