If radius of a cylinder is 4 cm and height is 10 cm then total surface area of a cylinder is

The curved surface area of a right circular cylinder of height 14 cm is 88 sqcm. The diameter of the base is

The diameter of the base of a cone is 10.5cm, and its slant height is 10 cm. The curved surface area is

The surface area of a sphere of radius 14 cm is

The surface area of cuboid shaped box having length=80cm, breadth=40cm and height=20cm is

A well with 10m inside diameter is dug 14m deep. Earth taken out of it is spread all around it to make an embankment of height 14/3 m. Find the width of the embankment.

Two right circular cones of equal curved surface areas have slant heights in the ratio of 3:5. Find the ratio of their radii.

If the radius of a sphere is doubled, then what is the ratio of their surface area?

If the perimeter of one of the faces of a cube is 40cm, then its volume is

The total surface area of a cube is 96 sqcm. The volume of the cube is