Waec Mathematics 2002 Past Questions and Answers

Question 21:

• WAEC 2002

In the diagram, SQ is a tangent to the circle at P, XP||YQ, ∠XPY = 56 o and ∠PXY = 80 o.Find angle PQY

A. 34^o
B. 13.36^o
C. 44^o
D. 46^o

Question 22:

• WAEC 2002

For what values of x is the expression \(\frac{3x-2}{4x^2+9x-9}\) undefined?

A. \(\frac{-3}{4} \hspace{1mm}or \hspace{1mm}3\)
B. \(\frac{-2}{3} \hspace{1mm}or \hspace{1mm}-3\)
C. \(\frac{2}{3} \hspace{1mm}or \hspace{1mm}3\)
D. \(\frac{3}{4} \hspace{1mm}or \hspace{1mm}-3\)

Question 23:

• WAEC 2002

Simplify \(\frac{1}{1-x} + \frac{2}{1+x}\)

A. \(\frac{x+3}{1-x^2}\)
B. \(\frac{x-3}{1+x^2}\)
C. \(\frac{3-x}{1-x^2}\)
D. \(\frac{3-x}{1+x^2}\)

Question 24:

• WAEC 2002

The lengths of the parallel sides of a trapezium are 9 cm and 12 cm. lf the area of the trapezium is 105 cm², find the perpendicular distance between the parallel sides.

A. 5cm
B. 7cm
C. 10cm
D. 15cm

Question 25:

• WAEC 2002

The base diameter of a cone is 14cm, and its volume is 462 cm³. Find its height. [Taken \(\pi = \frac{22}{7}\)]

A. 3.5cm
B. 5cm
C. 7cm
D. 9cm