A cylinder of maximum volume is cut out from a wooden cuboid of length 30 cm and cross section of square of side 14 cm. Find the volume of the cylinder and the volume of wood wasted.

Find the volume and the total surface area of a cone having slant height 17 cm and base diameter 30 cm. Take π = 3.14

The circumference of the edge of a hemispherical bowl is 132 cm. Find the capacity of the bowl.