Waec Mathematics Past Questions For Year 1989

Question 46

In the diagram, O is the center of the circle, If ∠POQ = 80o and ∠PRQ = 5x, find the value of x.

waec 1989

  • A. 4o
  • B. 8o
  • C. 16o
  • D. 20o
  • E. 32o
View Answer and Explanation

Question 47

What is the probability that 3 customers waiting in a bank will be served in the sequence of their arrival at the bank

waec 1989

  • A. 1/6
  • B. 1/3
  • C. 1/2
  • D. 2/3
  • E. 5/6
View Answer and Explanation

Question 48

sinθ = 1/2 and cosθ = -√3/2, what is the value of θ?

waec 1989

  • A. 30 0
  • B. 60 0
  • C. 90 o
  • D. 120 o
  • E. 150 o
View Answer and Explanation