Mrs. Kaushik has a square plot with the measurement as shown in the figure. She wants to construct a house in the middle of the plot. A garden is developed around the house. Find the total cost of developing a garden around the house at the rate of Rs 55 per m².
Answer: Area of the square plot = Side² = 25² = 625 square metre
Area of the house construction part = length x breadth
= 20 x 15 = 300 sq m
So, area of the garden = 625-300=325 square metre
Cost of developing the garden = Area x Rate
= 300 x 55 = 16500 rupees
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