Waec Mathematics 1989 Past Questions and Answers

Question 26:

• WAEC 1989

If A = {a,b,c}, B = {a,b,c,d,e} and C = {a,b,c,d,e,f}. Find (A∪B)∩(A∪C)

A. {a,b,c,d}
B. {a,b,c,d,e}
C. {a,b,c,d,e,f}
D. {a,b,c}
E. Φ

Question 27:

• 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 mode of the score

A. 3
B. 4
C. 5
D. 6
E. 7

Question 28:

• 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 29:

• 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 30:

• 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