Question

A godown is 50m long ,40m broad and 10m high. Find the cost if whitewashing its four walls and ceiling at â¹20 per square meter

Answer 1

area of four walls =2(l+b)h
=2(50+40)10
=1800 sq m
area of ceilling =50×40=2000sqm
total area =1800+2000 sq m
=3800 sq m
required cost =3800×20
=76000





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Answer 2

$\huge \purple {AnsWer}$

Dimension of godown

⠀L = 50m⠀⠀B = 40m ⠀H = 10m

⠀⠀Area of 4 walls = 2(L+B) × H

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 2 ( 50 + 40 )

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀= ( 2 × 90 × 10 )m²

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 1800m²

Area of celling = ( L×B )sq.unit

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= ( 50 × 40 ) m²

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 2000m²

⠀⠀Total area = 2000 + 1800

⠀⠀⠀⠀⠀⠀= 3800m²

Total cost = Total area × Cost per m²

⠀⠀⠀⠀⠀⠀= 3800 × 20

⠀⠀⠀⠀⠀⠀= ₹ 76000

So your answer is ₹ 76000.