Waec Mathematics 2007 Past Questions and Answers

Question 16:

• WAEC 2007

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

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

Question 17:

• 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 18:

• WAEC 2007

IN the diagram, |LN| = 4cm, LNM = 90^o and tan y = 2/3. What is the area of the ∆LMN?

A. 24cm²
B. 12cm²
C. 10cm²
D. 6cm²

Question 19:

• WAEC 2007

Evaluate(111_two)² and leave your answer in base 2.

A. 111001_two
B. 110001_two
C. 101001_two
D. 10010_two

Question 20:

• WAEC 2007

Find the LCM of 2³ x 3 x 5², 2 x 3² x 5 and 2³ x 3³ x 5

A. 2² x 3³ x 5²
B. 2³ x 3³ x 5
C. 2² x 3² x 5²
D. 2³ x 3³ x 5²