Question
Download Solution PDFThe cost of painting a rectangular wall at the rate of Rs.75/square metre is Rs.6825. The length of rectangular wall is equal to the length of a square wall whose area is 196 square metre. Find the breadth of the rectangular wall.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Painting rate = Rs.75/m²
Total painting cost = Rs.6825
Area of square wall = 196 m²
Length of rectangular wall = side of square wall
Formula used:
Area = Total Cost / Rate
Area of rectangle = Length × Breadth
Side of square = √Area
Calculations:
Area of rectangular wall = 6825 / 75 = 91 m²
Side of square wall = √196 = 14 m ⇒ Length of rectangular wall = 14 m
Now, 14 × Breadth = 91
⇒ Breadth = 91 / 14 = 6.5 m
∴ The breadth of the rectangular wall is 6.5 metres.
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