Waec Mathematics Past Questions and Answers

Question 91:

• WAEC 1989

Which of the following gives the point of intersection of the graph y = x² and y = x + 6 shown above?

A. (0,6), (3,9)
B. (-3, 0)(2,4)
C. (-2,4)(3,9)
D. (-2,3)(-3,2)
E. (-2,2)(3,6)

Question 92:

• WAEC 1989

A sector is cut off from a circle radius 8.2cm to form a cone, if the radius of the resulting cone is 3.5cm, calculate the curved surface area of the cone. [take π = 22/7]

A. 11.25cm²
B. 12.83cm²
C. 22.0cm²
D. 67.2cm²
E. 90.2cm²

Question 93:

• WAEC 1989

If logax = p, express x in terms of a and p

A. X = u + p
B. X = a/p
C. X = p
D. X = ap
E. X = a^p

Question 94:

• WAEC 1989

Calculate and correct to three significant figures, the length of an arc subtends an angle of 70^o at the center of the circle radius 4cm. [Take π = 22/7]

A. 2.44cm
B. 4.89cm
C. 9.78cm
D. 25.1cm
E. 50.3cm

Question 95:

• WAEC 1989

In the diagram above, O is the center of the circle. If ∠POR = 114^o, calculate ∠PQR

A. 123^o
B. 118.5^o
C. 117^o
D. 114^o
E. 54^o