## A godown is 50 m long, 40 m broad and 10 m high. Find the cost of whitewashing its four walls and ceiling at 20 per square metre.

Question

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## Answers ( )

Answer:Given:

Length = 50 m

Breadth = 40 m

Height = 10 m

Area of the four walls = {2h(l + b)} sq. unit

= {2 10 (50 + 40)}m2

= {20 90} m2 = 1800 m2

Area of the ceiling = l b = (50 m 40 m) = 2000 m2

∴ Total area to be white washed = (1800 + 2000) m2 = 3800 m2

Rate of white washing = Rs 20/sq. metre

∴ Total cost of white washing = Rs (3800 20) = Rs 76000

Answer:Length = 50m . Breadth = 40m . Height = 10m . Cost of white washing = 3800 * 20 = 76000RupeesStep-by-step explanation: