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Mathematics, 25.10.2020 17:20 ComicSans10

there is a door of dimension 2 metre X 1.5 metre and to Windows of dimension 1 metre X 1.5 metre in a room having length 7 m and breadth 5 metre if the total cost of painting on the four walls at the rate of Rs 7.50 per square metre is Rs 495 find the height of the room.

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there is a door of dimension 2 metre X 1.5 metre and to Windows of dimension 1 metre X 1.5 metre in...
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