Question

7. The inner circumference of a circular track is
220 m. The track is 7.5 m wide everywhere.
Calculate the cost of putting up a fence along
the outer circle at the rate of Rs. 4 per meter.
Also find the area of track. Find the cost of
levelling the track if the cost of levelling
per m² is Rs. 8.​

Answer 1

7. The inner circumference of a circular track is

220 m. The track is 7.5 m wide everywhere.

Calculate the cost of putting up a fence along

the outer circle at the rate of Rs. 4 per meter.

Also find the area of track. Find the cost of

levelling the track if the cost of levelling

per m² is Rs. 8.