Mathematics

Surface Areas and Volumes

Combinations of solids; conversion of one shape into another.

Sample Practice Questions

3 questions shown — tap “Show Answer” to check yours.

Easy

The volume of a cube with side 5 cm is:

A25 cm³

B125 cm³

C75 cm³

D150 cm³

Easy

The total surface area of a hemisphere of radius r is:

A2πr²

B3πr²

C4πr²

Dπr²

Medium

A solid sphere of radius 3 cm is melted and recast into a cylinder of radius 2 cm. The height of the cylinder is:

A9 cm

B6 cm

C3 cm

D12 cm

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