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Waec Mathematics Past Questions and Answers

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Waec Mathematics Past Questions

Question 1671:


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 1672:


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 1673:


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 1674:


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 1675:


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

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






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