The dimensions of a room are `16xx14xx10` metres. There are 4 windows of `1. 3 mxx1.
Channel: Doubtnut
Date: 2020-06-28

The dimensions of a room are `16xx14xx10` metres. There are 4 windows of `1. 3 mxx1. 4 m\ a n d\ 2 \ doors \ of\ 2mxx1m`. What will be the cost of white washing the walls and painting the doors and windows, if the rate of white washing is `R s .5\ p e r\ m^2` and the rate of painting is `R s .8\ p e r\ m^2`.