Question

The dimensions of a room are 8m×6m×h.it has two doors each of 2m×1m and 1 almirah of size 3m×2m.the cost of covering tha walls by wallpaper which is 40cm wide at rupees 1.25per m is 362.50.find height.

Answer 1

Dimension of room= lbh
=9*8*6.5 = 468.0

dimension of 1 door =2*1.5 = 3.0
dimension of 3 window =3(1*1.5) =4.5

remove the dimension of 3 Windows and 1 door from the room dimension.

468.0 - 3.0*4.5 = 460.5

multiply the cost of whitewashing into total dimension = 460.0*3.80=1749.9


total cost of whitewashing total room = 1749.9