Question

A swimming pool is 20min length ,15m In breadth, and 4m in depth. Find the cost of cementing it's floor and wall at the rate of rupees 12per square meter

Answer 1

hope my answer will help u

Answer 2

Area of floor and it's walls=2(lh+bh)+lb=570msquare
Therefore,cost of cementing=12×570=Rs6840