A rectangular garden 120m long and 65m broad a path of uniform width of 5m has to be constructed around it on its outside find the cost of gravelling the park at rupees 11.40 per metre
Answers
Given:
A rectangular garden 120m long and 65m broad a path of uniform width of 5m has to be constructed around it on its outside
To find:
The cost of gravelling the park at Rs. 11.40 per metre
Solution:
The dimensions of the rectangular garden:
Length = 120 m
Breadth = 65 m
∴ The area of the rectangular garden is,
= length × breadth
= 120 × 65
= 7800 m²
The width of the uniform path outside the garden = 5 m
So, the dimensions of the garden along with the path:
Outer length = 120 + (2 × 5) = 130 m
Outer breadth = 65 + (2 × 5) = 75 m
∴ The area of the garden along with the path is,
= 130 × 75
= 9750 m²
∴ The area of the path = [Outer area - Inner area] = 9750 - 7800 = 1950 m²
Now,
If the cost of gravelling 1 m² of path = Rs. 11.40
Then,
The cost of gravelling 1950 m² of the path is,
= 1950 m² × Rs. 11.40/m²
= Rs. 22230
Thus, the cost of gravelling the path at rupees 11.40 per metre square is → Rs. 22230.
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Answer:
sorry I'll tell later pucca sorry for late reply