Sudhanshu divides a circular disc of radius 7 cm in two equal parts. What is the perimeter of each semicircular shape disc? `(Use pi = 22/ 7 )`

What is the circumference of a circular disc of radius 14 cm? (use pi =22/7)

A joker’s cap is in the form of a right circular cone of base radius 7 cm and height 24 cm. Find the area of the sheet required to make 10 such caps. Assume pi = 22/7 , unless stated otherwise.

The curved surface area of a right circular cylinder of height 14 cm is 88 cm^2 . Find the diameter of the base of the cylinder. Assume pi = 22/7 , unless stated otherwise.

The radii of two circles are 19 cm and 9 cm respectively, Find ihe radius of the circle which has circumference equal to the sum of the circumferences of the two circles. Unless stated otherwise, use pi=22/7 .

The volume of a right circular cone is 9856 cm^3 . If the diameter of the base is 28 cm, find curved surface area of the cone. Assume pi = 22/7 , unless stated otherwise.

A joker’s cap is in the form of a right circular cone of base radius 7 cm and height 24 cm. Find the area of the sheet required to make 100 such caps if 1m^2 of sheet used for making cap costs Rs 700.

The radii of two circles are 8 cm and 6 cm respectively. Find the radius of the circle having area equal to the sum of the areas of the two circles. Unless stated otherwise, use pi=22/7 .

The volume of a right circular cone is 9856 cm^3 . If the diameter of the base is 28 cm, find slant height of the cone. Assume pi = 22/7 , unless stated otherwise.

A soft drink is available in two packs – (i) a tin can with a rectangular base of length 5 cm and width 4 cm, having a height of 15 cm and (ii) a plastic cylinder with circular base of diameter 7 cm and height 10 cm. Which container has greater capacity and by how much? Assume pi = 22/7 , unless stated otherwise.