Mathematics 2004 Waec Past Questions and Answers

Question 21 :

• WAEC 2004

Solve the equation 10-3x-x² = 0

A. X=2 or-5
B. X= -2 or 5
C. X = 1 or 10
D. X = 2 or 5

Question 22 :

• WAEC 2004

Find, correct to two decimal places, the mean of 9, 13, 16, 17, 19, 23, 24.

A. 23.00
B. 17.29
C. 16.50
D. 16.33

Question 23 :

• WAEC 2004

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 24 :

• WAEC 2004

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 25 :

• WAEC 2004

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