Waec Mathematics 2016 Past Questions and Answers

Question 16:

• WAEC 2016

The curve surface area of a cylinder, 5cm high is 110cm ². Find the radius of its base. [Take \(\pi = \frac{22}{7}\)]

A. 2.6cm
B. 3.5cm
C. 3.6cm
D. 7.0cm

Question 17:

• WAEC 2016

The volume of a pyramid with height 15cm is 90cm³. If its base is a rectangle with dimension xcm by 6cm, find the value of x

A. 3
B. 5
C. 6
D. 8

Question 18:

• WAEC 2016

A straight line passes through the points P(1,2) and Q(5,8). Calculate the gradient of the line PQ

A. \(\frac{3}{5}\)
B. \(\frac{2}{3}\)
C. \(\frac{3}{2}\)
D. \(\frac{5}{3}\)

Question 19:

• WAEC 2016

A straight line passes through the point P(1,2) and Q
(5,8). Calculate the length PQ

A. \(4\sqrt{11}\)
B. \(4\sqrt{10}\)
C. \(2\sqrt{17}\)
D. \(2\sqrt{13}\)

Question 20:

• WAEC 2016

If cos \(\theta\) = x and sin 60^o = x + 0.5 0^o < \(\theta\) < 90^o, find, correct to the nearest degree, the value of \(\theta\)

A. 32^o
B. 40^o
C. 60^o
D. 69^o