A gardener wants to fence a circular garden of diameter 21m. Find the length of the rope he needs to purches, if he makes 2 rounds of fence. Also find the cost of the rope, if it costs Rs4 per meter. [Take `pr=22/7`]

Saima wants to put a lace one the edge of a circular table cover of diameter 1.5m. Find the elength of a lace required and also find its cost if one meter of the lace costs Rs15. (Take pi=3.14 ).

The area of a circular playground is 22176 m^2 . Find the cost of fencing this ground at the rate of Rs 50 per metre.

A rent is in the shape of a cylinder surmounted by a conical top. If the height and diameter of the cylindrical part are 2.1 m and 4m respectively , and the slant height of the top is 2.8m, find the area of the canvas used for making the tent. Also. find the cost of the canvas of the tent at the rate of Rs 500 "per"m^(2) ( Note that the base of the tent will not be covered with canvas. )

A path 1 m wide is built along th eborder and inside a square garden of side 30m. Find: the cost of planting grass in the remaining portion of the garden at the rate of Rs.40 per m^2 .

A road 7m wide surrounds a circular park whose circumference is 352 m. Find the surface area of the road. Find the cost of paving the road at Rs.20 per m^2

A cloth 5 m wide is used to make a conical tent of base diameter 14 m and height 24m. Find the cost of cloth at the rate Rs 25 per metre.

Find the cost of fencing a rectangular park of length 175 m and breadth 125 m at the rate of ₹ 12 per metre.

Diameter of garden roller is 1.4 m and length 2 m takes 5 revolutions to complete the garden, find the area of the garden?

The inner diameter of a circular well is 3.5 m. It is 10m deep. Find the cost of plastering this curved surface at the rate of Rs 40 per m^(2).

Find the cost of polishing the circular table top of diameter 1.6m, if the rate of polishing is 15 m^2 (Take pi=3.14 ).