Surface areas and Volumes

The ratio of surface area and volume of the sphere of unit radius is

• (a) 3 : 4

• (b) 4 : 3

• (c) 3 : 1

• (d) 1 : 3

The height of a cone is 16 cm and base radius is 12 cm. Its slant height is

• (a) 10 cm

• (b) 15 cm

• (c) 20 cm

• (d) 8 cm

The volume of a cylinder with a height of 10 cm and a base radius of 5 cm is

• (a) 250 cm³

• (d) 200 cm³

• (c) 300 cm³

• (b) 150 cm³

The surface area of a cube with a side length of 4 cm is

• (a) 64 cm²

• (b) 48 cm²

• (d) 36 cm²

• (c) 32 cm²

The slant height of a pyramid with a base side of 6 cm and a height of 8 cm is

• (d) 8 cm

• (c) 14 cm

• (b) 12 cm

• (a) 10 cm

The volume of a cone with a height of 9 cm and a base radius of 3 cm is

• (a) 27 cm³

• (b) 36 cm³

• (c) 18 cm³

• (d) 9 cm³

The surface area of a rectangular prism with dimensions 3 cm, 4 cm, and 5 cm is

• (d) 40 cm²

• (c) 50 cm²

• (b) 60 cm²

• (a) 70 cm²

The height of a triangular prism with a base area of 20 cm² and a height of 5 cm is

• (c) 80 cm³

• (d) 60 cm³

• (a) 100 cm³

• (b) 50 cm³

The volume of a rectangular prism with dimensions 2 cm, 3 cm, and 4 cm is

• (c) 18 cm³

• (b) 20 cm³

• (a) 24 cm³

• (d) 12 cm³

The surface area of a cylinder with a height of 7 cm and a base radius of 3 cm is

• (a) 60 cm²

• (d) 100 cm²

• (b) 75 cm²

• (c) 90 cm²