Waec Mathematics 1995 Past Questions and Answers

Question 26:

• WAEC 1995

Find the total surface area of solid circular cone with base radius 3cm and slant height 4cm. [Take π = 22/7]

A. 37 5/7cm²
B. 66cm²
C. 75 3/7cm²
D. 78 2/7cm²
E. 88cm²

Question 27:

• WAEC 1995

A hollow sphere has a volume of kcm3 and a surface area of kcm2. Calculate the diameter of the sphere.

A. 3cm
B. 6cm
C. 9cm
D. 12cm
E. More information is needed

Question 28:

• WAEC 1995

The diagram above shows a cone with the dimensions of its frustrum indicated. Calculate the height of the cone.

A. 12cm
B. 15cm
C. 18cm
D. 24cm
E. 30cm

Question 29:

• WAEC 1995

The positions of two countries P and Q are (15°N, 12°E) and (65°N, 12°E) respectively. What is the difference in latitude?

A. 104^o
B. 100^o
C. 80^o
D. 50^o
E. 24^o

Question 30:

• WAEC 1995

A 120° sector of a circle of radius 21cm is bent to form a cone. What is the base radius of the cone?

A. 3¹/₂cm
B. 7cm
C. 1O¹/₂cm
D. 14cm
E. 21cm