Question

find the cost of fencing a rectangular field 50 M long and 40 m wide @ rupees 20 m

Answer 1

Cost of fencing = Perimeter of the field* cost
                        = 2(l+b) * 20
                      =2(50+40) * 20
                    = 180 * 20
                        = Rs. 3600

Answer 2

RS 3600
Is the cost of fencing