Question

A door of length 3m and breadth 2m is fitted in a wall.The length of the wall is 20 m and the breadth is 8m . Find the cost of white washing the wall, if the rate of white washing the wall is rupees 8 per m²​

Answer 1

Answer:

area of the door is 3m×2m=6sq m

area of the wall is 20 m×8m=160 sq m

area of the wall for white washing is

(160-6)sq m=154 sq m

cost of white washing is Rs 154×8=Rs1232