A godown is 50m long. 40m broad. And10m high. Find the cost of white washing its four walls ceiling at rs 20per square metre.

2 answers

The area is 2 2long walls, 2 short walls, and the floor

You know how to find the area of a rectangle, so add up the 5 areas and multiply by 20rs/m^2
A godown is 50 m long