Question

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.​

Answer 1

This should be it, ask me for any concerns that you may have