Question

the length breadth and height of a room are 5m 4m and 3m respectively find the cost white washing the walls of the room and the ceiling at the rate of 7.50 per m square

Answer 1

Answer:

Total Surface Area to be white washed

=LTA+ Area of the base

=2(l+b)h+lb=2(5+4)×3+5×4m

2

=74m

2

Cost of white washing =Rs.(74×7.50)=555