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Mathematics State Board
Class 9
Mensuration
Surface area of a Cuboid and Cube
7.
Five marks example problems III
Exercise condition:
5
m.
The length, breadth and height of a hall are \(25 \ m\), \(15 \ m\) and \(5 \ m\) respectively. Find the cost of renovating its floor and four walls at the rate of \(₹ 80\) per \(m^2\).
The cost of renovating the floor \(=\) \(₹\)
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