Question

The length of the cold storage is thrice its breadth. Its height is 4m. The area of four walls (including doors) is 224 m2. Find its volume.

Answer 1

let breadth=x
length=3x
CSA=2(l+b)h
224=2(x+3x)4
224=32x
x=7
breadth=7
length=21
height=4
volume=lbh=7×21×4=588