Waec Mathematics 1988 Past Questions and Answers

Question 26:

• WAEC 1988

Find the product xy if, x, 3/2, 6/7, y are in G.P

A. 24/49
B. 4/7
C. 9/7
D. 7/4
E. 21/8

Question 27:

• WAEC 1988

In the diagram above, O is the center of the circle, BOC is a diameter and angle ADC is 37o
What is ACB?

A. 147^o
B. 127^o
C. 65^o
D. 53^o
E. 37^o

Question 28:

• WAEC 1988

Factorize 5y² + 2y - 3a²

A. (5y - a) (y + 3a)
B. (5y + a) (y - 3a)
C. 5y² + a (2y - 3a)
D. (y - a) (5y + 3a)
E. (y + a) (5y - 3a)

Question 29:

• WAEC 1988

Which of the following is a correct method for constructing an angle of 60^o at Q?

A. I only
B. II only
C. III only
D. I and II only
E. II and III only

Question 30:

• WAEC 1988

IN the diagram above, LK/PQ, reflex angle KLM = 241° and ∠QPM = 89°. What is the value of ∠LMP?

A. 30^o
B. 61^o
C. 89^o
D. 119^o
E. 150^o