Question

The cost of carpeting a square room at rs 48 per sq. m is rs 1728. If the room contains 144 cu.m of air, find the cost of painting walls at rs 15 per sq. metre. (Plz solve it step by step thank you )

Answer 1

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☆☞ [ Verified answer ]☜☆

Cost of painting:

Rs 640\5=128 sq meters

128/4=32 sq meters per wall

Room is square, so I GUESSED at wall length of 8 meters

32 sq meters per wall with length of 8 meters means height must be 4 meters.

Area (64 meters) x height (4 meters) =

Volume of 256 cubic meters

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Answer 2

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Cost of painting:

Rs 640\5=128 sq meters

128/4=32 sq meters per wall

Room is square, so I GUESSED at wall length of 8 meters

32 sq meters per wall with length of 8 meters means height must be 4 meters.

Area (64 meters) x height (4 meters) =

Volume of 256 cubic meters

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