A Rectangular piece of paper `11 cm x× 4` cm is folded without overlapping to make a cylinder of height 4 cm. Find the volume of the cylinder.

A rectangular sheet of metal foil with dimension 66cm xx 12cm is rolled to form of a cylinder of height 12cm. Find the volume of the cylinder.

A rectangular sheet of paper 40 cm xx 22 cm is rolled to form a hollow cylinder of height 40 cm. The radius of the cylinder ( in cm ) is ………… .

A Rectangular paper of width 14 cm is folded along its width and a cylinder of radius 20 cm is formed. Find the volume of the cylinder (Take pi =(22)/(7))

An aluminium sphere of radius 15 cm is melted to make a cylinder of radius 10 cm. Find the height of the cylinder.

An aluminium sphere of radius 12 cm is melted to make a cylinder of radius 8 cm. Find the height of the cylinder.

A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6cm. Find the height of the cylinder.

Area of base of a cylinder is 100 cm^2 . Its height is 5cm. Find its volume.

A rectangular sheet of paper 44 cm xx 18 cm is rolled along the length to form a cylinder. Assuming that the cylinder is solid (Completely filled), find its radius and the total surface area.