Waec Mathematics 2013 Past Questions and Answers

Question 31:

• WAEC 2013

A pyramid has a rectangular base with dimensions 12m by 8m. If its height is 14m, calculate the volume

A. 322m³
B. 448m³
C. 632m²
D. 840m²

Question 32:

• WAEC 2013

The slant height of a cone is 5cm and the radius of its base is 3cm. Find, correct to the nearest whole number, the volume of the cone. ( Take \(\pi = \frac{22}{7}\))

A. 48cm³
B. 47cm³
C. 38cm³
D. 12cm³

Question 33:

• WAEC 2013

The distance between two towns is 50km. It is represented on a map by 5cm. Find the scale used

A. 1: 1,000,000
B. 1: 500,000
C. 1: 100,000
D. 1: 10,000

Question 34:

• WAEC 2013

Given that (x + 2)(x² - 3x + 2) + 2(x + 2)(x - 1) = (x + 2) M, find M

A. (x + 2)²
B. X(x + 2)
C. Xv + 2
D. X² - x

Question 35:

• WAEC 2013

An open cone with base radius 28cm and perpendicular height 96cm was stretched to form sector of a circle. calculate the arc of the sector (Take \(\pi = \frac{22}{7}\))

A. 8800cm²
B. 8448cm²
C. 4400cm²
D. 4224cm²