man's pulse rate is 68 and cardiac output is 5500 `cm^3`.Find the stroke volume

Total surface area of a cube is 216 cm^2. Find its volume.

A cylinder with base radius 7 cm has curved surface area as 110 cm^2 . Find its volume.

Volume of a cube is 1000 cm^3 . Find its side.

For a sphere, surface area is 154 sq.cm. Find its volume.

The volume of a cylinder is 2512 cu cm and its height is 12.5 cm. Find the radius of the base.

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

The volume of a sphere increse at the rate of 20 cm^3 /sec. Find the rate of change of its surface area when its radius is 5cm.