Waec Mathematics Past Questions and Answers

Question 81:

• WAEC 1989

For a class of 30 students, the scores in a Mathematics test out of 10 marks were as follows;
4,5,7,2,3,6,5,5,8,9,5,4,2,3,7,9,8,7,7,7,3,4,5,5,2,3,6,7,7,2


What is the median score?

A. 2
B. 7
C. 8
D. 9
E. 10

Question 82:

• WAEC 1989

For a class of 30 students, the scores in a Mathematics test out of 10 marks were as follows;
4,5,7,2,3,6,5,5,8,9,5,4,2,3,7,9,8,7,7,7,3,4,5,5,2,3,6,7,7,2


What is the range of the distribution?

A. 2
B. 7
C. 8
D. 9
E. 10

Question 83:

• WAEC 1989

In the diagram above O is the center of the circle, if ∠PAQ = 75o, what is the value of ∠PBQ?

A. 15^o
B. 75^o
C. 105^o
D. 150^o
E. 210^o

Question 84:

• WAEC 1989

Simplify \(\frac{9^{-\frac{1}{2}}}{27^{\frac{2}{3}}}\)

A. 1
B. 1/3
C. 1/9
D. 1/18
E. 1/27

Question 85:

• WAEC 1989

In the diagram above, what is the size of angle ACB?

A. 40^o
B. 50^o
C. 60^o
D. 80^o
E. 100^o