Question

2.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 55 per m².
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Answer 1

So for developing a garden we need to find the area of the region.

area of whole plot - area of house = area of garden

Area of Whole plot = 25×25 = 625msq

Area of House= 15× 20 = 300msq

Area of Garden = Xmsq

625 - 300 = X

X = 325msq

rate of developing garden = ₹55/msq

Cost of developing a garden = rate × area

= 55 × 325

= 17875₹

So Total cost of developing a garden around the house at the rate of 55 per metre sq is ₹17875

Answer 2

Step-by-step explanation:

here area of garden will be AREA OF SQUARE- AREA OF HOUSE

because AREA OF SQUARE is side^2

= 25^2= 625 m^2

AREA OF RECTANGLE= length x breadth

= 15 x 20= 300 m^2

hence Area of garden is 325 m^2

therefore cost of developing garden @ ₹55/m^2

= 325 x 55= ₹17875

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