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.

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.