posted by Anonymous .
A cuboidal room is 1 and 1/2 as long again as it is broad.
The cost of carpeting the room at the rate of Rs.5 per m sq is Rs.480 and the cost of papering the walls with coloured paper at the rate of Rs.3 per m sq is Rs.360. Find the dimensions of the room .
taking d floor of d room
4rm d price
1sq meter will cost rs.5
dere4 x square meter will cost rs.480
lenght =1.5*8=12; breadth =8
4 d height==> rs.3........1sq meter
den rs.360.........xsq meter
let area= height*breadth
dimension=12m by 8m by 15m