1.The length and breadth of a hall are in the ratio 4:3 and it's height is 5.5m. The cost of decorating its wall including doors and windows at Rs 6.06 per sq m is Rs 5072. Find the Length and Breadth of the room. 2. The dimensions of a room are 12.5m,9m,7m. There are two doors and four windows in the room and each door measures 2.5m,1.2m and each window by 1.5m,1m. Find the cost of painting wall, at Rs 3.50 per sq m.