The cost of carpeting a room 15 meters long with a carpet 75 cm wide at 30 paisa per meter is Rs. 36. The breadth of the room is?

Length of carpet = Total Cost / Rate = 3600 / 30 = 120 mArea of carpet = (120 x 75) / 100 m² = 90 m² ∴ Area of the room = 90 m²Breadth of the room = Area /Length = 90 / 15 m = 6m