Question

The cost of cementing a square courtyard at rs 2.75 per square m is rs 1100 . Find the cost of fencing it at the rate of rs 5.50 per meter.

Answer 1

Answer:

area of the square courtyard=1100/2.75

                                               =400m²

side of the square=√400

                             =20m

perimeter=20×4

               =80m

cost of fencing it=80×5.50

                           =440rupees