Waec Mathematics Past Questions For Year 1989

Question 16

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

waec 1989

• A. 2
• B. 3
• C. 4
• D. 5
• E. 6

Question 17

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

waec 1989

• A. 21
• B. 9
• C. 7
• D. 4
• E. 3

Question 18

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]

waec 1989

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

Question 19

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?

waec 1989

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

Question 20

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

waec 1989

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