Waec Mathematics 2007 Past Questions and Answers

Question 31:

• WAEC 2007

If 8^x-1 = \(\frac{1}{4}\), find x

A. -\(\frac{-5}{3}\)
B. -1
C. -\(\frac{1}{3}\)
D. \(\frac{1}{3}\)

Question 32:

• WAEC 2007

A chord of length 6cm is drawn in a circle of radius 5cm. Find the distance of the chord from the centre of the circle.

A. 2.5cm
B. 3.0cm
C. 3.5cm
D. 4.0cm

Question 33:

• WAEC 2007

The area of a square field is 110.25m². Find the cost of fencing it round at N75.00 per metre

A. N1,575.00
B. N3,150.00
C. N4,734.30
D. N8,268.75

Question 34:

• WAEC 2007

A sector of a circle of radius 14cm containing an angle 60^o is folded to form a cone. Calculate the radius of the base of the cone

A. 5\(\frac{1}{2}cm\)
B. 4\(\frac{2}{3}cm\)
C. 3\(\frac{1}{2}cm\)
D. 2\(\frac{1}{3}cm\)

Question 35:

• WAEC 2007

Find the volume of a solid cylinder with base radius 10cm and height 14cm.

A. 220³
B. 880cm³>
C. 1400cm³
D. 4400cm³