A well of diameter 14m. is dug 15m. deep. The earth taken out of it has been spread evenly all around it in the shape of a circular ring of width 7 m to form an embankment. Find the height of the embankment.

An overhead water tanker is in the shape of a cylinder has capacity of 61.6 cu.mts. The diameter of the tank is 5.6 m. Find the height of the tank.

A 10 m deep well of diametmer 3.5m is dug and the earth got by digging is events spread out to form a platform 20 m of base 12m. Find the height of the platform.

A 20 m deep well with diameter 7 m. is dug and the earth got by digging is evenly spread out to form a rectangular platform of base 22m. times 14m. Find the height of the platform.

The area of a sector-shaped canvas cloth is 264 m^(2) . With this canvas cloth, If a right circular conical tent is erected with the radius of the base as 7 m, then find the height of the tent. (use pi=22//7 )

Parvali house has a water tank in the shape of a cylinder on the roof. This is filled by pumping water from a sump (an underground tank) which is in the shape of a cuboid. The sump has dimensions 1.57 m times 1.44 m times 9.5 cm. The water tank has radius 60 cm. and height 95 cm. Find the height of the water left in the sump after the water tank has been completely filled with water from the sump which had been full of water. Compare the capacity of the tank with that of the sump. ( pi =3.14)

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

An oil drum is in the shape of cylinder , whose diameter is 2m and height is 7m. The painter charges Rs 5 per m^2 to paint the drum. Find the total charges to be paid to the painter for 10 drums.