Question

If you want to white wash a room whose length is 15 m and breadth is 13m excluding the windows and door whose l is 3m and b is2 m of window and l is 6m and b is 5m find its area and find the cost whitewash it as 20 rupees per metre

Answer 1

15×13-6×5=

195-30

=165m square

=165×20 (cost)

=rupees 3300

Hope it helps:)