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A room is 16 m long ,7 m broadand 8 m high. Find the cost of white washing the four walls of room at Rs. 7.5 per m^(2), white washing is notto be done on the doors and windows , which occupy 65 m^2. |
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Answer» SOLUTION :Area of 4 walls of a ROOM`=2(16+7)xx8=368m^2` Nt area of 4 walls`=368-65=303m^2` thereforeCost of white washing =` 303xx7.5=₹2272.5` |
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