The diameter of a circular park is 84 m. A 3.5-m-wide road runs on the outside around it. Find the cost of constructing the road at Rs. 200 per `m^(2)`.

A circular park, 24m in diameter , has a path 3.5 m wide running round it on the outside. Find the cost of gravelling the path at Rs. 20 per m^(2) .

Diameter of the circular garden is 42 m. There is a 3.5 m wide road around the garden. Find the area of the road.

A road 3.5 m wide surrounds a circular plot whose circumference is 44 m. Find the cost of paving the road at Rs 50 per m^(2)

A road 3.5 m wide surrounds a circular plot whose circumference is 44 m. Find the cost of paving the road at Rs 50 per m^(2)

The diameter of a circular park is 140 m. Around it on the outside,a path having the width of 7 m is constructed.If the path has to be fenced from inside and outside at the rate of Rs.7 per metre, find its total cost.

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 circular pond is 17.5 m in diameter It is surrounded by a path 2m wide. Find the cost of constructing the path Rs 25 per m^2

A circular pond is of diameter 43 m is surrounded by a 3 m wide path. Find the cost of constructing the path at the rate of 25 per m ""^(2) .

A rectangular lown 76 m long and 54 m broad has two cross - roads ,one 1.5 m wide running parallel to its length and the other 2 m wide , running parallel to its breadth. Find the cost of constructing these roads at Rs. 216 per m^(2) .