Question

Gn
if a room of 15m x 13m x 12m (height) is to be
painted inside, outside and on the ceiling, then
the cost of painting will be cost of 9m2 painting
is? 27)​

Answer 1

Answer:

Area of one wall =length×height=5×8=40 sq.m

Area of another adjacent wall =width×height=3×8=24 sq.m

Area of 4 walls =2×40+24×2−4.5−2.25=128−6.75=121.25

Cost of painting the four walls =121.25×25=3,031.25 Rs.

So, we don't require statement III