Waec Mathematics Past Questions and Answers

Question 1181:

• WAEC 2008

If 4y is 9 greater than the sum of y and 3x, by how much is greater than x?

A. 3
B. 6
C. 9
D. 12

Question 1182:

• WAEC 2008

If p = \(\frac{3}{5} \sqrt{\frac{q}{r}}\), express q in terms of p and r

A. \(\frac{9}{25} pr^2\)
B. \(\frac{9}{25} p^2r\)
C. \(\frac{25}{9} p^2r\)
D. \(\frac{25}{9} pr^2\)

Question 1183:

• WAEC 2008

Simplify: \(\frac{2x^2 - 5x - 12}{4x^2 - 9}\)

A. \(\frac{x + 4}{2x + 3}\)
B. \(\frac{x + 4}{2x - 3}\)
C. \(\frac{x - 4}{2x + 3}\)
D. \(\frac{x - 4}{2x - 3}\)

Question 1184:

• WAEC 2008

PQR is a sector of a circle centre O, radius 4cm. If PQR = 30^o, find, correct to 3 significant figures, the area of sector PQR. [Take \(\pi = \frac{22}{7}\)]

A. 4.19cm²
B. 8.38cm²
C. 10.5cm²
D. 20.9cm²

Question 1185:

• WAEC 2008

If the volume of a cube is 343cm³, find the length of its side

A. 3cm
B. 6cm
C. 7cm
D. 96cm