Length of the plot = 40 m & width of the plot = 20 m ∴ Length of the area to be grazed = 40 – (5 + 5) = 30 m and Width of the area to be grazed = 20 – (5 + 5) = 10 m ∴ Area to be grazed = 30 
10 = 300 sq.m. ∴ Cost of grazing the plot = 300 150 = Rs. 45,000 Area of two sides to be fenced with length 40m = 2 40 15 = 1,200 sq m Area of two sides to be fenced with width 20m = 2 20 15 = 6,00 sq m Total area of the sides to be fenced = 1200 + 600 = 1800 sq m ∴ Cost of fencing the walls = 1800 200 = Rs. 3,60,000 Total cost = 45000 + 360000 = Rs. 4,05,000
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