Waec Mathematics Past Questions and Answers

Question 1196:

• WAEC 2008

XY is a chord of circle centre O and radius 7cm. The chord XY which is 8cm long subtends an angle of 120^o at the centre of the circle. Calculate the perimeter of the minor segment. [Take \(\pi = \frac{22}{7}\)]

A. 14.67cm
B. 22.67cm
C. 29.33cm
D. 37.33cm

Question 1197:

• WAEC 2008

If p = \(\frac{1}{2}\) and \(\frac{1}{p - 1} = \frac{2}{p + x}\), find the value of x

A. -2\(\frac{1}{2}\)
B. -1\(\frac{1}{2}\)
C. 1\(\frac{1}{2}\)
D. 2\(\frac{1}{2}\)

Question 1198:

• WAEC 2008

Find the quadratic equation whose roots are c and -c

A. X² - c² = 0
B. X² + 2cx = 0
C. X² + 2cx + c² = 0
D. X² - 2cx + c² = 0

Question 1199:

• WAEC 2008

Solve the inequality 1 - 2x < - \(\frac{1}{3}\)

A. X < \(\frac{2}{3}\)
B. X < -\(\frac{2}{3}\)
C. X > \(\frac{2}{3}\)
D. X > -\(\frac{2}{3}\)

Question 1200:

• WAEC 2008

Given the sets A = [2, 4, 6, 8] and B = [2, 3, 5, 9]. If a number is selected at random from set B, what is the probability that the number is prime?

A. 1
B. \(\frac{3}{4}\)
C. \(\frac{1}{2}\)
D. \(\frac{1}{4}\)