Mensuration - Jamb Mathematics Past Questions and Answers

Question 106:

• JAMB 2002

A chord of a circle subtends an angle of 120° degrees at the centre of a circle of diameter 4√3 cm. Calculate the area of the major sector.

A. 4π cm²
B. 32 π cm²
C. 16 π cm²
D. 8 π cm²

Question 107:

• JAMB 2002

A bucket is 12 cm in diameter at the top, 8 cm in diameter at the bottom and 4 cm deep. Calculate its volume.

A. 304π/3 cm³
B. 144π cm³
C. 128π cm³
D. 72π cm³

Question 108:

• JAMB 2002

A solid hemisphere has a radius of 7 cm. Find the total surface area.

A. 400 cm²
B. 462 cm²
C. 66 cm²
D. 308 cm²

Question 109:

• JAMB 2002

In the diagram above are two concentric circles of radii r and R respectively with center O. If r = ²/₃R, express the area of the shaded portion in terms of π and R

A. ²¹/₂₅πR²
B. ⁹/₂₅πR²
C. ²¹/₂₃πR²
D. ⁵/₉πR²

Question 110:

• JAMB 2002

In the diagram above, a cylinder is summounted by a hemisphere bowl. Calculate the volume of the solid.

A. 180 πcm³
B. 162 πcm³
C. 216 πcm³
D. 198 πcm³