Waec Mathematics Past Questions and Answers

Question 1736:

• WAEC 2017

Calculate the gradient (slope) of the joining points (-1, 1) and (2, -2)

A. -1
B. \(\frac{-1}{2}\)
C. \(\frac{1}{2}\)
D. 1

Question 1737:

• WAEC 2017

If P(2,3) and Q)2, 5) are points on a graph, calculate the length PQ

A. 6 units
B. 5 units
C. 4 units
D. 2 units

Question 1738:

• WAEC 2017

A bearing of 320\(^o\) expressed as a compass bearing is

A. N 50\(^o\) W
B. N 40\(^o\) W
C. N 50\(^o\) E
D. N 40\(^o\) E

Question 1739:

• WAEC 2017

Given that cos 30\(^o\) = sin 60\(^o\) = \(\frac{3}{2}\) and sin 30\(^o\) = cos 60\(^o\) = \(\frac{1}{2}\), evaluate \(\frac{tan 60^o - q}{1 - tan 30^o}\)

A. \(\sqrt{3 - 2}\)
B. 2 - \(\sqrt{3}\)
C. \(\sqrt{3}\)
D. -2

Question 1740:

• WAEC 2017

The average age of a group of 25 girls is 10year. If one girl, aged 12 years and 4 months joins the group, find the new average age of the group

A. 10.1 years
B. 9.3 years
C. 8.7 years
D. 8 . 3 years