The length of a room is \(1\frac{1}{2}\) times its breadth. The cost of carpeting it at Rs. 150 per sq. meter is Rs. 14400 and the cost of white-washing the four walls at Rs. 5 per sq. meter is Rs. 625. Find the length of the room.
1
16 m
2
12 m
3
14 m
4
10 m
5
None of these