Waec Mathematics Past Questions
Question 26
What is the volume of a solid cylinder of diameter 7cm and height 7cm? (Take \(\pi = \frac{22}{7}\))
- A. 38.5cm3
- B. 77cm3
- C. 269.5cm3
- D. 1078cm3
Question 27
Factorise 27p2x2 - 48y2.
- A. 9(3px - 4y)2
- B. 3(3px - 4y)(3px - 4y)
- C. 9(px - 4y)(3p x + 4y)
- D. 3(3px -4y)(3px +4y)
Question 28
In the diagram, ∆XYZ is similar to ∆PRQ, |XY| = 5cm, |XZ| =3.5cm and |PR| = 8cm. Find |PQ|
- A. 5.6 cm
- B. 11.2cm
- C. 11.4cm
- D. 28.0cm
Question 29
Find the average of the first four prime numbers greater than10
- A. 20
- B. 19
- C. 17
- D. 15
Question 30
In the diagram, O is the centre of the circle where OS//QR and ∠SOR = 35o
- A. 35o
- B. 45o
- C. 55o
- D. 70o
