Area of the four walls of a room is 108m2. If the height and length of the room are in the ratio of 2: 5 and the height and breadth in the ratio 4 : 5, then the area in m2of the floor of the room is: (1) 72 (2) 54 (3) 45 (4) 24

Area of the four walls of a room is 108m2. If the height and length of

1.	Area of the four walls of a room is 108m2. If the height and length of the room are in the ratio of 2: 5 and the height and breadth in the ratio 4 : 5, then the area in m2of the floor of the room is: (1) 72 (2) 54 (3) 45 (4) 24
Answer» The area of the floor of a room whoseheight and length are in the ratio of 2 : 5, and the height and breadth are in the ratio 4: 5, is45 m². Area of the four walls of a room can be calculated by finding the lateral surface area of a cuboid.