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A room has length and breadth in the ratio of 3 : 1 . The cost of carpeting the floor at Rs. 5 per sq. m is Rs. 270 and the cost of colouring the four walls at Rs. 10 per m2 is Rs. 1720. If a door and 2 windows have total area of 8 sq. m, find the height of the room.

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A room has length and breadth in the ratio of 3 : 1 . The cost of carpeting the floor at Rs. 5 per sq. m is Rs. 270 and the cost of colouring the four walls at Rs. 10 per m2 is Rs. 1720. If a door and 2 windows have total area of 8 sq. m, find the height of the room.






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