Waec Mathematics Past Questions For Year 2018

Question 36

Find the value of t in the diagram

waec 2018

  • A. 63\(^o\)
  • B. 117\(^o\)
  • C. 126\(^o\)
  • D. 234\(^o\)
View Answer and Explanation

Question 37

Donations during the launching of a church project were sent in sealed envolopes. The table shows the distribution of the amount of money in the envelope. How much was the donation?

waec 2018

  • A. N26,792.00
  • B. N26,972.00
  • C. N62.792.00
  • D. N62,972.00
View Answer and Explanation

Question 38

In the diagram, PQ is a straight line, (m + n) = 110\(^o\) and (n + r) = 130\(^o\) and (m + r) = 120\(^o\). Find the ratio of m : n : r

waec 2018

  • A. 2 : 3 : 4
  • B. 3 : 4 : 5
  • C. 4 : 5 : 6
  • D. 5 : 6 : 7
View Answer and Explanation

Question 39

In the diagram, PQ//RS. Find x in terms of y and z

waec 2018

  • A. x = 240\(^o\) - y - z
  • B. x = 180\(^o\) - y - z
  • C. x = 360\(^o\) + y -z
  • D. x = 360\(^o\) - y - z
View Answer and Explanation

Question 40

The diagram shows a trapezium inscribed in a semi-circle. If O is the mid-point of WZ and |WX| = |XY| = |YZ|, calculate the value of m

waec 2018

  • A. 90\(^o\)
  • B. 60\(^o\)
  • C. 45\(^o\)
  • D. 30\(^o\)
View Answer and Explanation