A path of 4 metres wide runs around and inside a square plot of side 33 metres. Find the cost of levelling the path at the rate of Rs. 1.50 per square metre.
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Area of path = Area of bigger square - Area of smaller square
Side of the smaller square = Side of the bigger square - 2(width of the path)
= 100 - 2(5)
= 90 m
Area of the path = (100)² - (90)² = 10000 - 8100 = 1900 sq m
Cost of cementing at the rate of Rs 250 per 10 m² = 250 x 190 = Rs 47500
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