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).`

The inner diameter of a circular well is 3.5 m. It is 10m deep. Find its inner curved surface area,

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

The slant height and base diamater of a conical tomb are 25 m and 14m respectively. Find the cost of with-washing its curved surface at the rate of Rs 210 per 100 m^(2).

The slant height and base diameter of a conical tomb are 25 m and 14 m respectively. Find the cost of white washing its curved surface at the cost of Rs 210 per 100m^(2).

A cylindrical pilar is 50 cm in diameter and 3.5 m in height. Find the cost of painting the curved surface of the pillar at the rate of Rs 12.50 per m^(2).

Find the cost of fencing a square park of side 250 m at the rate of ₹ 20 per metre.

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.

It costs Rs 2200 to paint the inner curved surface of a cylindrical vessel 10 m deep. If the cost of painting is at the rate of Rs 20 per m^(2), find: (i) inner curved surface area of the vessel, (ii) radius of the base, (iii) capacity of the vessel.