Mathematics 1989 Waec Past Questions and Answers

Question 16 :

• WAEC 1989

The venn diagram below shows the number of students who studied Physics, Chemistry, and Mathematics in a certain school. How many students took at least two of the three subjects?

A. 165
B. 160
C. 155
D. 135
E. 85

Question 17 :

• WAEC 1989

An arc of a circle radius 7cm is 14cm long. What angle does the arc subtend at the center of circle?
[Take π = 22/7]

A. 25.7^o
B. 44^o
C. 51.43^o
D. 98^o
E. 114.55^o

Question 18 :

• WAEC 1989

If twice a certain integer is subtracted from 5 times the integer, the result is 63. Find the integer.

A. 21
B. 9
C. 7
D. 4
E. 3

Question 19 :

• WAEC 1989

If 3\(^y\) = 243, find the value of y.

A. 2
B. 3
C. 4
D. 5
E. 6

Question 20 :

• WAEC 1989

Points X and Y are respectively 20km North and 9km East of a point O. What is the bearing of Y from X? Correct to the nearest degree

A. 024^o
B. 114^o
C. 156^o
D. 204^o
E. 336^o