Question

Find the cost of white washing the four walls of a cubical room of side 4 m at the rate of ₹ 20/ m².

Answer 1

I hope it will help you

Answer 2

Answer:

the cost of white washing the four walls  =  ₹ 1280

Step-by-step explanation:

cubical room of side 4 m

so area of each wall = 4 * 4 = 16 m²

Area of 4 Walls = 4 * 16 = 64 m²

Cost of white washing  = ₹ 20/ m²

=> Total Cost of White Washing = 20 * 64

=>  Total Cost of White Washing =  ₹ 1280

the cost of white washing the four walls  =  ₹ 1280