Surface Areas and Volumes

A cube has a total surface area of 294 cm². Its edge is

1. 6 cm
2. 7 cm
3. 8 cm
4. 9 cm

Which solid has two circular bases?

1. Cone
2. Sphere
3. Cylinder
4. Cube

Which solid has only one curved surface and no vertices?

1. Cube
2. Cuboid
3. Cylinder
4. Sphere

If the radius of a cylinder is doubled while the height remains the same, its volume becomes

1. Double
2. Four times
3. Eight times
4. Half

A cuboid has dimensions 8 cm, 5 cm, and 4 cm. Its volume is

1. 160 cm³
2. 80 cm³
3. 120 cm³
4. 200 cm³

A cube has an edge of 6 cm. Its volume is

1. 36 cm³
2. 72 cm³
3. 216 cm³
4. 180 cm³

Which unit is used to measure surface area?

1. cm³
2. cm²
3. cm
4. Litre

Which unit is used to measure volume?

1. cm
2. cm²
3. cm³
4. m

The volume of a cylinder is

1. πr²h
2. 2πrh
3. 2πr(r + h)
4. πrh

The curved surface area of a cylinder is

1. 2πr²
2. 2πrh
3. πr²h
4. πrh

The volume of a cuboid is

1. 2(lb + bh + hl)
2. l × b × h
3. 2(l + b + h)
4. 6a²

The total surface area of a cuboid is

1. 2(lb + bh + hl)
2. l × b × h
3. 4(lb + bh)
4. 2(l + b + h)

The volume of a cube of side 'a' is

1. 6a²
2. a²
3. a³
4. 4a³

Which of the following is the formula for the total surface area of a cube?

1. 4a²
2. 6a²
3. a³
4. 2a²