A rectangle lawn `80 m xx 60 m` has two roads each with 10 m wide running in the middle of it,one parallel to the length and the other parallel to the breadth. The cost of gravelling them at `30` paise sq. m is

A rectangle lawn 80m xx60m has two roads each with 10m wide running in the middle of it,one parallel to the length and the other parallel to the breadth.The cost of gravelling them at 30 paise sq.m is

A rectangular lawn 55m by 35m has two roads each 4m wide running in the middle of itone parallel to the length and the other parallel to the breadth.What is the cost of gravelling the roads at 75 paise per square metre?

A rectangular lawn is 30m by 20m. It has two roads each 2m wide running in the middle of it one parallel to the length and the other parallel to the breadth.Find the area of the roads.

A rectangular lawn is 60 m by 40 m and has two roads. each 5 m wide running in the middle of it, one parallel to its length and the other parallel to the breadth, as shown in the figure. Find the cost of constructing the roads at Rs. 80 per m^(2) .

A rectangular lawn 70 m by 50 m has two roads, each 5 m wide, running through its middle, one parallel to its length and the other parallel to its breadth. Find the cost of constructing the roads at Rs.120 per m^(2) .