Waec Mathematics Past Questions and Answers

Question 76:

• WAEC 1989

Solve the following equation: 6x\(^2\) - 7x - 5 = 0

A. X = ¹/₂ or x = -2¹/₂
B. X = 1/3 or x = 2¹/₂
C. X = 1 ²/3 or x = -¹/₂
D. X = 1²/3 or x = ¹/₂
E. X = 5/6 or x = -1

Question 77:

• WAEC 1989

What angle represents grown up girls ? Correct to one decimal place

A. 37.5^o
B. 26.7^o
C. 25.7^o
D. 20^o
E. 3.75^o

Question 78:

• WAEC 1989

What percentage of the population are married? correct to one decimal place

A. 14.8%
B. 20.4%
C. 30.5%
D. 35.2%
E. 36.5%

Question 79:

• 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 80:

• 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