Question

If the length, Breadth and hight af the Private
room is 3 meters x 2.5 meters x 3 meters Wall
find the cost of
sanitizering the total room the rate of Rupees 5 and cleaning the four Walls and floors at the rate of ruppes 0.50per squar
meter​

Answer 1

Answer:

A.T.Q to know the cost of sanitizing the room requires to know it's volume

so, the volume of that room= L × B×H

so, 3m × 2.5m × 3m= 22.5m^3

Step-by-step explanation:

so, cost of sanitizing

22.5m^3 × ₹5 = ₹112.5

Now , to know the cost of cleaning the four walls and floors we need to know the total surface area of the room

so, T.S.A of room (assuming it as a cuboid)

2×{( Lb)+(BH)+(LH)}

2×{ (3×2.5) +(2.5× 3) +(3×3)} sq^2

2 ×{24}sq^2

48sq^2

so, rate of cleaning the room= 48 sq^2 × ₹0.50= ₹24

.......hope it's helpful