Waec Mathematics Past Questions and Answers

Question 1236:

• WAEC 2009

If \(\frac{3}{2x} - \frac{2}{3x} = 4\), solve for x

A. \(\frac{4}{5}\)
B. \(\frac{4}{13}\)
C. \(\frac{5}{24}\)
D. \(\frac{13}{24}\)

Question 1237:

• WAEC 2009

If (2x + 3)³ = 125, find the value of x

A. 1
B. 2
C. 3
D. 4

Question 1238:

• WAEC 2009

Factorize x² - 2x - 3xy completely

A. (x - 2)(3x - y)
B. (x - 3y)(x - 2)
C. (x - 3y)(x - 3y)
D. (3x + y)(x - 2)

Question 1239:

• WAEC 2009

The diameter of a bicycle wheel is 42cm. If the wheel makes 16 complete revolution, what will be the total distance covered by the wheel? [Take \(\pi \frac{22}{7}\)

A. 672cm
B. 1056cm
C. 2112cm
D. 4224cm

Question 1240:

• WAEC 2009

The interior angles of a pentagon are (2^x + 5)^o, (x + 20)^o, x^o, (3x - 20)^o and (x + 15)^o. Find the value of x

A. 80^o
B. 70^o
C. 65^o
D. 40^o